Lactation Breastfeeding Support Ingredients & Drug Interactions
by Pink Stork
What is this page for?
First and foremost: checking Lactation Breastfeeding Support against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
Lactation Breastfeeding Support is a dietary supplement by Pink Stork with 5 active ingredients. Its ingredients are commonly taken for blood sugar control, boosting breast milk supply, high cholesterol.Based on those ingredients, 1,355 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Milk Thistle (Silybum marianum) seed extract, Fennel, Alfalfa. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Lactation Breastfeeding Support by Pink Stork
Ask about any prescription or over-the-counter medication and we check it for interactions with Lactation Breastfeeding Support by Pink Stork — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of Lactation Breastfeeding Support by Pink Stork
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
Pink Stork Lactation Breastfeeding Support contains five active ingredients: fenugreek, fennel, alfalfa, blessed thistle, and milk thistle seed extract. These are combined in a capsule with two inactive ingredients, hydroxypropyl methylcellulose and rice concentrate, which serve as binding and filler materials.
Fenugreek seed, fennel, blessed thistle, and milk thistle are all traditional galactagogues—herbs historically used to support milk production. Alfalfa is included as a nutrient-dense plant.
The product provides no added vitamins or isolated nutrients; it's an herbal combination only.
Does it work?
Not established
Evidence for this product's ability to boost milk supply is limited. Fenugreek has been studied most, though the data show mixed results for lactation support—the facts we hold don't establish a clear effectiveness rating for milk supply itself.
Fennel, blessed thistle, and milk thistle are all used traditionally for lactation, but the safety data we hold rates their effectiveness as either insufficient evidence or unrated for that purpose. Alfalfa similarly lacks established evidence for milk supply in our data.
If you're considering this product to support breastfeeding, talk with your doctor or lactation consultant first about whether it's right for you and whether the evidence supports it for your situation.
How safe is it?
Well-documented data
Fenugreek is generally well tolerated when taken orally, though the most common side effects include abdominal pain, bloating, diarrhea, indigestion, gas, low blood sugar (hypoglycemia), and nausea. Rare severe allergic reactions including throat swelling, bronchial spasms, and anaphylactic shock have been reported.
Fennel, alfalfa, blessed thistle, and milk thistle seed extract are similarly well tolerated overall, with mild gastrointestinal discomfort being the most common effect; serious allergic reactions are rare across all five ingredients. One unique note: if taken during late pregnancy, fenugreek may cause an unusual body odor in the newborn that can be mistaken for maple syrup urine disease, though this does not appear to cause lasting harm.
Regarding pregnancy: fenugreek is rated Likely Unsafe during pregnancy; alfalfa and blessed thistle are Possibly Unsafe; fennel and milk thistle lack sufficient safety data and are rated Possibly Unsafe as well. For breastfeeding: fenugreek is rated Possibly Safe, but fennel, alfalfa, and blessed thistle all lack adequate safety data.
Because this is a lactation support product often used while nursing, discuss safety with your doctor or pharmacist before starting, especially if you're pregnant or breastfeeding.
Meds to double-check
Major interaction found
Before starting this product, check with your doctor or pharmacist if you take any of the following: blood thinners or antiplatelet drugs (Major concern with alfalfa and warfarin specifically; Moderate with fenugreek and fennel), diabetes medications, birth control pills, estrogen therapy, theophylline, metoprolol, phenytoin, sildenafil, ciprofloxacin, tamoxifen, immunosuppressants, antiviral drugs for hepatitis C, or acid-reflux medications. No interactions are documented for the two inactive ingredients.
The bottom line
Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Major medication interactions have been identified, and safety information is well characterized.
This is an herbal blend designed for milk supply support, but the evidence behind it is limited and its five ingredients interact with many medications. If you take blood thinners, diabetes drugs, birth control, heart medications, or seizure drugs—or anything else regularly—check with your pharmacist or doctor before adding this product.
Even if you're not on medications, pregnant women and those nursing should discuss it with their healthcare provider first because several ingredients lack solid safety data in those situations.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 5 of 5 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Apr 23, 2020.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about Lactation Breastfeeding Support, straight from the product label.
| Brand | Pink Stork |
|---|---|
| Barcode (UPC) | 851204007926 |
| Net contents | 60 Vegetarian Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Apr 23, 2020 |
| DSLD ID | 216952 |
| Product type | Botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegetarian, Pregnant Women, Lactating, Gluten Free, Dairy Free, Sugar Free |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for Lactation Breastfeeding Support by Pink Stork, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Fenugreek | 500 mg | -- |
| Fennel | 25 mg | -- |
| Alfalfa | 300 mg | -- |
| Blessed Thistle | 300 mg | -- |
| Milk Thistle (Silybum marianum) seed extract | 150 mg | -- |
Other ingredients: Hydroxypropyl Methylcellulose, Rice concentrate
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation
Breastfeeding support
Lactation may help with digestive issues in newborns.
Contains no: GMOs, gluten,wheat, sugar/sweeteners, flavors, colors, animal products, preservatives, artificial ingredients, fish, shellfish, soy, tree nuts, peanuts, dairy.
Promotes milk supply & flow Enhances breast milk nutrition
Formula
Pink Stork Lactation contains five breastmilk supporting herbs (galactagogues) to boost breast milk supply, milk flow, and nutrition for mom and baby. Lactation may help with digestive issues in newborns.
Made with 5 key herbs
General Statements
Lactation naturally supports your breastfeeding goals! Breast milk is the best gift you can give your baby, and lactation is there for you every step of the way.
Find us on @pinkstork Share you story: #pinkstork Free guides @ pinkstork.com/download
Women Owned
FDA Disclaimer Statement
These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Suggested/Recommended/Usage/Directions
Best use: Take two vegetarian capsules daily.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Lactation Breastfeeding Support by Pink Stork label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in Lactation Breastfeeding Support by Pink Stork
These are the 5 active ingredients this product is made of. Select any to open its full monograph.
Serving size2 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
Fenugreek
Interacts with389 drugs
Fenugreek is a common kitchen spice that is also taken as a supplement, mainly for blood sugar, cholesterol, and to support breast milk production. So...
Fenugreek monograph & interactionsFennel
Interacts with740 drugs
Fennel is a Mediterranean herb widely used as a food and spice, and traditionally taken for digestive complaints, colic, and menstrual cramps. Some sm...
Fennel monograph & interactionsAlfalfa
Interacts with583 drugs
Alfalfa is a nutrient-rich legume that people use for high cholesterol, menopause symptoms, and general wellness, but solid human evidence for most of...
Alfalfa monograph & interactionsBlessed Thistle
Interacts with36 drugs
Blessed thistle is a bitter herb traditionally used to stimulate appetite and ease mild digestive complaints. High-quality human studies are lacking,...
Blessed Thistle monograph & interactionsMilk Thistle (Silybum marianum) seed extract
Interacts with954 drugs
Milk thistle is a popular herbal supplement most often used for liver health, and its main active component is a group of compounds called silymarin....
Milk Thistle (Silybum marianum) seed extract monograph & interactionsOther (inactive) ingredients: Hydroxypropyl Methylcellulose, Rice concentrate. These complete the product’s ingredient list but are not active constituents.
Lactation Breastfeeding Support by Pink Stork Drug Interactions
HelloPharmacist Interaction Report
Pink Stork Lactation Breastfeeding Support interacts with medications through its fenugreek, fennel, alfalfa, blessed thistle, and milk thistle seed extract content.
The most serious interaction is alfalfa with warfarin (a blood thinner), where alfalfa's high vitamin K content may reduce warfarin's effectiveness—a Major severity concern.
Read the full breakdown — every affected drug type, severity by severity
Fenugreek poses Moderate interactions with blood thinners and antiplatelet drugs, diabetes medications, theophylline (an asthma/COPD drug), the blood pressure medication metoprolol, the seizure drug phenytoin, and sildenafil (Viagra). Fennel similarly affects blood thinners and antiplatelet drugs, and also interacts with birth control pills, estrogen therapy, certain antibiotics like ciprofloxacin, and tamoxifen (a cancer drug).
Milk thistle carries Moderate interactions with diabetes drugs, warfarin, several antivirals, and other enzyme-processed medications.
Alfalfa also interferes with contraceptives, estrogen therapy, immunosuppressants, and diabetes drugs. Blessed thistle may reduce the effectiveness of acid-reflux medications (H2-blockers, proton pump inhibitors, and antacids)—all Minor severity.
Altogether, these interactions span 1,356 individual medications.
If you take any prescription medication—especially blood thinners, diabetes drugs, birth control, or heart or seizure medications—run your exact drugs through the interaction checker on this page before starting this product.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Lactation Breastfeeding Support?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Lactation Breastfeeding Support interact with 1,355 drugs. Click any drug to see the details.
5 of the 5 ingredients in Lactation Breastfeeding Support interact with drugs. Each result below shows which ingredient is responsible. Milk Thistle (Silybum marianum) seed extract Fennel Alfalfa Fenugreek Blessed Thistle
WarfarinWarfarin
How Warfarin interacts with Lactation Breastfeeding Support — through 4 ingredients. Tap an ingredient for the detail:
AlfalfaWarfarin (coumadin) Major
Interaction Summary
Theoretically, alfalfa might reduce the anticoagulant activity of warfarin.
Read the full Alfalfa + Warfarin interactionMilk Thistle (silybum Marianum) Seed ExtractCytochrome P450 2c9 (cyp2c9) Substrates, Warfarin (coumadin) +1 Moderate
Interaction Summary
It is unclear if milk thistle inhibits CYP2C9; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Warfarin interactionFennelAnticoagulant/antiplatelet Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
Read the full Fennel + Warfarin interactionFenugreekAnticoagulant/antiplatelet Drugs, Warfarin (coumadin) Moderate
Interaction Summary
Theoretically, fenugreek might have additive effects when used with anticoagulant or antiplatelet drugs.
Read the full Fenugreek + Warfarin interactionWarfarin SodiumCoumadin, Panwarfin, Sofarin
How Warfarin Sodium interacts with Lactation Breastfeeding Support — through 4 ingredients. Tap an ingredient for the detail:
AlfalfaWarfarin (coumadin) Major
Interaction Summary
Theoretically, alfalfa might reduce the anticoagulant activity of warfarin.
Read the full Alfalfa + Warfarin Sodium interactionFenugreekAnticoagulant/antiplatelet Drugs, Warfarin (coumadin) Moderate
Interaction Summary
Theoretically, fenugreek might have additive effects when used with anticoagulant or antiplatelet drugs.
Read the full Fenugreek + Warfarin Sodium interactionMilk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 2c9 (cyp2c9) Substrates +1 Moderate
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Warfarin Sodium interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates, Anticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Warfarin Sodium interaction6-mercaptopurinePurinethol
How 6-mercaptopurine interacts with Lactation Breastfeeding Support — through 1 ingredient. Tap an ingredient for the detail:
AlfalfaImmunosuppressants Moderate
Interaction Summary
Theoretically, alfalfa might decrease the efficacy of immunosuppressive therapy.
Read the full Alfalfa + 6-mercaptopurine interactionAdo-trastuzumab EmtansineKadcyla
How Ado-trastuzumab Emtansine interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
FennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Ado-trastuzumab Emtansine interactionMilk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Ado-trastuzumab Emtansine interactionAbciximabReoPro
How Abciximab interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
FennelAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fennel might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
Read the full Fennel + Abciximab interactionFenugreekAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fenugreek might have additive effects when used with anticoagulant or antiplatelet drugs.
Read the full Fenugreek + Abciximab interactionAbemaciclibVerzenio
How Abemaciclib interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
FennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Abemaciclib interactionMilk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Abemaciclib interactionAbiraterone
How Abiraterone interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
FennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Abiraterone interactionMilk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
FennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Abiraterone Acetate interactionMilk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Abiraterone Acetate interactionAbrocitinibCibinqo
How Abrocitinib interacts with Lactation Breastfeeding Support — through 4 ingredients. Tap an ingredient for the detail:
FennelAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fennel might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
Read the full Fennel + Abrocitinib interactionFenugreekAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fenugreek might have additive effects when used with anticoagulant or antiplatelet drugs.
Read the full Fenugreek + Abrocitinib interactionAlfalfaImmunosuppressants Moderate
Interaction Summary
Theoretically, alfalfa might decrease the efficacy of immunosuppressive therapy.
Read the full Alfalfa + Abrocitinib interactionMilk Thistle (silybum Marianum) Seed ExtractCytochrome P450 2c9 (cyp2c9) Substrates Minor
Interaction Summary
It is unclear if milk thistle inhibits CYP2C9; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Abrocitinib interactionAcalabrutinibCalquence
How Acalabrutinib interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
FennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acalabrutinib interactionMilk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates, P-glycoprotein Substrates Minor
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acalabrutinib interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with Lactation Breastfeeding Support — through 3 ingredients. Tap an ingredient for the detail:
AlfalfaAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, alfalfa might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Read the full Alfalfa + Acarbose interactionFenugreekAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, fenugreek seed might have additive hypoglycemic effects when used with antidiabetes drugs.
Read the full Fenugreek + Acarbose interactionMilk Thistle (silybum Marianum) Seed ExtractAntidiabetes Drugs Moderate
Interaction Summary
Taking milk thistle with antidiabetes drugs may increase the risk of hypoglycemia.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acarbose interactionAcenocoumarolSintrom
How Acenocoumarol interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
FennelAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fennel might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
Read the full Fennel + Acenocoumarol interactionFenugreekAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fenugreek might have additive effects when used with anticoagulant or antiplatelet drugs.
Read the full Fenugreek + Acenocoumarol interactionAcepromazineAtravet
How Acepromazine interacts with Lactation Breastfeeding Support — through 1 ingredient. Tap an ingredient for the detail:
AlfalfaPhotosensitizing Drugs Moderate
Interaction Summary
Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.
Read the full Alfalfa + Acepromazine interactionAcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength
How Acetaminophen interacts with Lactation Breastfeeding Support — through 1 ingredient. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with Lactation Breastfeeding Support — through 3 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Aspirin interactionFennelAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fennel might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
Read the full Fennel + Acetaminophen, Aspirin interactionFenugreekAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fenugreek might have additive effects when used with anticoagulant or antiplatelet drugs.
Read the full Fenugreek + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with Lactation Breastfeeding Support — through 3 ingredients. Tap an ingredient for the detail:
FenugreekAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Theoretically, fenugreek might have additive effects when used with anticoagulant or antiplatelet drugs.
Read the full Fenugreek + Acetaminophen, Aspirin, Caffeine interactionMilk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Aspirin, Caffeine interactionFennelAnticoagulant/antiplatelet Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
Read the full Fennel + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu
How Acetaminophen, Brompheniramine, Phenylpropanolamine interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAlfalfaPhotosensitizing Drugs Moderate
Interaction Summary
Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.
Read the full Alfalfa + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAcetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more
How Acetaminophen, Butalbital interacts with Lactation Breastfeeding Support — through 1 ingredient. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Butalbital interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Butalbital, Caffeine interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Glucuronidated Drugs Moderate
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Butalbital, Caffeine, Codeine interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Butalbital, CodeineBancap w/ Codeine
How Acetaminophen, Butalbital, Codeine interacts with Lactation Breastfeeding Support — through 1 ingredient. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Butalbital, Codeine interactionAcetaminophen, Butalbital, Codeine PhosphatePhrenilin #3
How Acetaminophen, Butalbital, Codeine Phosphate interacts with Lactation Breastfeeding Support — through 1 ingredient. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Butalbital, Codeine Phosphate interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with Lactation Breastfeeding Support — through 3 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAlfalfaPhotosensitizing Drugs Moderate
Interaction Summary
Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.
Read the full Alfalfa + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
FennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Caffeine, Codeine interactionMilk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Glucuronidated Drugs Moderate
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Caffeine, Codeine, Salicylamide interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Caffeine, Dihydrocodeine interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
FennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Caffeine, Isometheptene interactionMilk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with Lactation Breastfeeding Support — through 2 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Glucuronidated Drugs Moderate
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Caffeine, Pyrilamine interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with Lactation Breastfeeding Support — through 3 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractGlucuronidated Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAlfalfaPhotosensitizing Drugs Moderate
Interaction Summary
Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.
Read the full Alfalfa + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, Codeine, PhenylephrineColrex
How Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interacts with Lactation Breastfeeding Support — through 3 ingredients. Tap an ingredient for the detail:
Milk Thistle (silybum Marianum) Seed ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Glucuronidated Drugs Moderate
Interaction Summary
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
Read the full Milk Thistle (silybum Marianum) Seed Extract + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionAlfalfaPhotosensitizing Drugs Moderate
Interaction Summary
Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.
Read the full Alfalfa + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Lactation Breastfeeding Support with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.
Milk Thistle (Silybum marianum) seed extract
Antidiabetes Drugs
Taking milk thistle with antidiabetes drugs may increase the risk of hypoglycemia.
Clinical research shows that milk thistle extract, alone or along with tree turmeric extract, can lower blood glucose levels and glycated hemoglobin (HbA1c) in patients with type 2 diabetes, including those already taking antidiabetes drugs. Additionally, animal research shows that milk thistle extract increases the metformin maximum plasma concentration and area under the curve and decreases the renal clearance of metformin, due to inhibition of the multi-drug and toxin extrusion protein 1 (MATE1) renal tubular transport protein.
Cytochrome P450 2B6 (Cyp2B6) Substrates
Theoretically, milk thistle might inhibit CYP2B6.
An in vitro study shows that silybin, a constituent of milk thistle, binds to and noncompetitively inhibits CYP2B6. Additionally, silybin might downregulate the expression of CYP2B6 by decreasing mRNA and protein levels.
Glucuronidated Drugs
Theoretically, milk thistle might affect the clearance of drugs that undergo glucuronidation.
Laboratory research shows that milk thistle constituents inhibit uridine diphosphoglucuronosyl transferase (UGT), the major phase 2 enzyme that is responsible for glucuronidation. Theoretically, this could decrease the clearance and increase levels of glucuronidated drugs. Other laboratory research suggests that a milk thistle extract of silymarin might inhibit beta-glucuronidase, although the significance of this effect is unclear.
Ledipasvir
Theoretically, milk thistle might increase the levels and clinical effects of ledipasvir.
Animal research in rats shows that milk thistle increases the area under the curve (AUC) for ledipasvir and slows its elimination.
Morphine
Theoretically, concomitant use of milk thistle with morphine might affect serum levels of morphine and either increase or decrease its effects.
Animal research shows that milk thistle reduces serum levels of morphine by up to 66%. In contrast, laboratory research shows that milk thistle constituents inhibit uridine diphosphoglucuronosyl transferase (UGT), the major phase 2 enzyme that is responsible for glucuronidation. Theoretically, this could decrease the clearance and increase morphine levels. The effect of taking milk thistle on morphine metabolism in humans is not known.
Raloxifene (Evista)
Theoretically, milk thistle might decrease the clearance and increase levels of raloxifene.
Laboratory research suggests that the milk thistle constituents silibinin and silymarin inhibit the glucuronidation of raloxifene in the intestines.
Sirolimus (Rapamune)
Milk thistle might decrease the clearance of sirolimus.
Pharmacokinetic research shows that a milk thistle extract of silymarin decreases the apparent clearance of sirolimus in hepatically impaired renal transplant patients. It is unclear if this interaction occurs in patients without hepatic impairment.
Sofosbuvir (Solvaldi)
Theoretically, milk thistle might decrease the levels and clinical effects of sofosbuvir.
Animal research in rats shows that milk thistle reduces the metabolism of sofosbuvir, as well as the hepatic uptake of its active metabolite.
Tamoxifen (Nolvadex)
Theoretically, the milk thistle constituent silibinin might increase tamoxifen levels and interfere with its conversion to an active metabolite.
Animal research suggests that the milk thistle constituent silibinin might increase plasma levels of tamoxifen and alter its conversion to an active metabolite. The mechanism appears to involve inhibition of pre-systemic metabolism of tamoxifen by cytochrome P450 (CYP) 2C9 and CYP3A4, and inhibition of P-glycoprotein-mediated efflux of tamoxifen into the intestine for excretion. Whether this interaction occurs in humans is not known.
Warfarin (Coumadin)
Theoretically, milk thistle might increase the effects of warfarin.
In one case report, a man stabilized on warfarin experienced an increase in INR from 2.64 to 4.12 after taking a combination product containing milk thistle 200 mg daily, as well as dandelion, wild yam, niacinamide, and vitamin B12. Levels returned to normal after stopping the supplement. Although a direct correlation between milk thistle and the change in INR cannot be confirmed, some in vitro research suggests that milk thistle might inhibit cytochrome P450 2C9 (CYP2C9), an enzyme involved in the metabolism of various drugs, including warfarin.
Cytochrome P450 2C9 (Cyp2C9) Substrates
It is unclear if milk thistle inhibits CYP2C9; research is conflicting.
In vitro research suggests that milk thistle might inhibit CYP2C9. Additionally, 3 case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking milk thistle and cancer medications that are CYP2C9 substrates, including imatinib and capecitabine. However, contradictory clinical research shows that milk thistle extract does not inhibit CYP2C9 or significantly affect levels of the CYP2C9 substrate tolbutamide. Differences in results could be due to differences in dosages or formulations utilized.
Cytochrome P450 3A4 (Cyp3A4) Substrates
It is unclear if milk thistle inhibits CYP3A4; research is conflicting.
While laboratory research shows conflicting results, pharmacokinetic research shows that taking milk thistle extract 420-1350 mg daily does not significantly affect the metabolism of the CYP3A4 substrates irinotecan, midazolam, or indinavir. However, 8 case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking milk thistle and cancer medications that are CYP3A4 substrates, including gefitinib, sorafenib, doxorubicin, and vincristine.
Estrogens
Theoretically, milk thistle might interfere with estrogen therapy through competition for estrogen receptors.
Animal research suggests that a milk thistle extract of silymarin binds to estrogen receptor beta.
Hmg-Coa Reductase Inhibitors ("Statins")
Theoretically, milk thistle might interfere with statin therapy by decreasing the activity of organic anion transporting polypeptide 1B1 (OATB1B1) and inhibiting breast cancer resistance protein (BCRP).
Preliminary evidence suggests that a milk thistle extract of silymarin can decrease the activity of the OATP1B1, which transports HMG-CoA reductase inhibitors into the liver to their site of action, and animal research shows this increases the maximum plasma concentration of pitavastatin and pravastatin. The silibinin component also inhibits BCRP, which transports statins from the liver into the bile for excretion. However, in a preliminary study in healthy males, silymarin 140 mg three times daily had no effect on the pharmacokinetics of a single 10 mg dose of rosuvastatin.
Indinavir (Crixivan)
Theoretically, milk thistle may induce cytochrome P450 3A4 (CYP3A4) enzymes and increase the metabolism of indinavir; however, results are conflicting.
One pharmacokinetic study shows that taking milk thistle (Standardized Milk Thistle, General Nutrition Corp.) 175 mg three times daily in combination with multiple doses of indinavir 800 mg every 8 hours decreases the mean trough levels of indinavir by 25%. However, results from the same pharmacokinetic study show that milk thistle does not affect the overall exposure to indinavir. Furthermore, two other pharmacokinetic studies show that taking specific milk thistle extract (Legalon, Rottapharm Madaus; Thisilyn, Nature's Way) 160-450 mg every 8 hours in combination with multiple doses of indinavir 800 mg every 8 hours does not reduce levels of indinavir.
Organic Anion-Transporting Polypeptide Substrates (Oatp)
Milk thistle may inhibit one form of OATP, OATP-B1, which could reduce the bioavailability and clinical effects of OATP-B1 substrates.
In vitro research shows that milk thistle inhibits OATP-B1. Two case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking milk thistle and cancer medications that are OATP substrates, including sorafenib and methotrexate. OATPs are expressed in the small intestine and liver and are responsible for the uptake of drugs and other compounds into the body. Inhibition of OATP may reduce the bioavailability of oral drugs that are substrates of OATP.
P-Glycoprotein Substrates
Theoretically, milk thistle might increase the absorption of P-glycoprotein substrates. However, this effect does not seem to be clinically significant.
In vitro research shows that milk thistle can inhibit P-glycoprotein activity and 1 case report from the World Health Organization (WHO) adverse drug reaction database describes increased abdominal pain in a patient taking milk thistle and the cancer medication vincristine, a P-glycoprotein substrate, though this patient was also taking methotrexate. However, a small pharmacokinetic study in healthy volunteers shows that taking milk thistle (Enzymatic Therapy Inc.) 900 mg, standardized to 80% silymarin, in 3 divided doses daily for 14 days does not affect absorption of digoxin, a P-glycoprotein substrate.
Fennel
Anticoagulant/Antiplatelet Drugs
Theoretically, fennel might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
Animal research suggests that fennel oil has antithrombotic and antiplatelet effects.
Ciprofloxacin (Cipro)
Theoretically, fennel might decrease the levels and clinical effects of ciprofloxacin.
Animal research shows that fennel reduces ciprofloxacin bioavailability by nearly 50%, possibly due to the metal cations such as calcium, iron, and magnesium contained in fennel. This study also found that fennel increased tissue distribution and slowed elimination of ciprofloxacin.
Contraceptive Drugs
Theoretically, taking large amounts of fennel might decrease the effects of contraceptive drugs due to competition for estrogen receptors.
Some constituents of fennel have estrogenic activity.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
In vitro research suggests that fennel inhibits CYP3A4 enzyme activity. This effect has not been reported in humans.
Estrogens
Theoretically, taking large amounts of fennel might interfere with hormone replacement therapy due to competition for estrogen receptors.
Some constituents of fennel have estrogenic activity.
Tamoxifen (Nolvadex)
Theoretically, taking large amounts of fennel might decrease the antiestrogenic effect of tamoxifen.
Some constituents of fennel have estrogenic activity, which may interfere with the antiestrogenic activity of tamoxifen.
Alfalfa
Warfarin (Coumadin)
Theoretically, alfalfa might reduce the anticoagulant activity of warfarin.
Alfalfa contains a large amount of vitamin K. This could theoretically interfere with the activity of warfarin.
Antidiabetes Drugs
Theoretically, alfalfa might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Animal research suggests that alfalfa decreases blood sugar in diabetic mice. Also, in one case report, a diabetic patient experienced hypoglycemia after consuming alfalfa extract. Monitor blood glucose levels closely. Dose adjustments might be necessary.
Contraceptive Drugs
Theoretically, alfalfa might interfere with the activity of contraceptive drugs.
Alfalfa contains coumestrol, a phytoestrogen, and isoflavonoids, which have estrogenic effects.
Estrogens
Theoretically, alfalfa might interfere with hormone therapy.
Alfalfa contains coumestrol, a phytoestrogen, and isoflavonoids, which have estrogenic effects.
Immunosuppressants
Theoretically, alfalfa might decrease the efficacy of immunosuppressive therapy.
In vitro research and human case reports suggest that alfalfa may have immunostimulant effects.
Photosensitizing Drugs
Theoretically, concomitant use of alfalfa with photosensitizing drugs might have additive effects.
Animal research suggests that excessive doses of alfalfa may increase photosensitivity, possibly due to its chlorophyll content. It is unclear if this effect would be clinically relevant in humans.
Fenugreek
Anticoagulant/Antiplatelet Drugs
Theoretically, fenugreek might have additive effects when used with anticoagulant or antiplatelet drugs.
Some of the constituents in fenugreek have antiplatelet effects in animal and in vitro research. However, common fenugreek products might not contain sufficient concentrations of these constituents for clinical effects. A clinical study in patients with coronary artery disease or diabetes shows that taking fenugreek seed powder 2.5 grams twice daily for 3 months does not affect platelet aggregation, fibrinolytic activity, or fibrinogen levels .
Antidiabetes Drugs
Theoretically, fenugreek seed might have additive hypoglycemic effects when used with antidiabetes drugs.
Clinical research shows that fenugreek seed can reduce fasting blood glucose and 2-hour postprandial glucose levels in adults with type 2 diabetes.
Clopidogrel (Plavix)
Theoretically, fenugreek seed might alter the clinical effects of clopidogrel by inhibiting its conversion to the active form.
Animal research shows that fenugreek seed 200 mg/kg daily for 14 days increases the maximum serum concentration of clopidogrel by 21%. It is unclear how this affects the pharmacokinetics of the active metabolite of clopidogrel; however, this study found that concomitant use of fenugreek seed and clopidogrel prolonged bleeding time by an additional 11%.
Metoprolol (Toprol)
Theoretically, fenugreek seed might have additive hypotensive effects when used with metoprolol.
Animal research shows that fenugreek seed 300 mg/kg daily for 2 weeks decreases systolic and diastolic blood pressure by 9% and 11%, respectively, when administered alone, and by 15% and 22%, respectively, when given with metoprolol 10 mg/kg.
Phenytoin (Dilantin)
Theoretically, fenugreek might decrease plasma levels of phenytoin.
Animal research shows that taking fenugreek seeds for 1 week decreases maximum concentrations and the area under the curve of a single dose of phenytoin by 44% and 72%, respectively. This seems to be related to increased clearance. So far, this interaction has not been reported in humans.
Sildenafil (Viagra)
Theoretically, concurrent use of sildenafil and fenugreek might reduce levels and therapeutic effects of sildenafil.
Animal research shows that taking fenugreek seeds for 1 week reduces maximum concentrations and the area under the curve of a single dose of sildenafil by 27% and 48%, respectively. So far, this interaction has not been reported in humans.
Theophylline
Theoretically, fenugreek may reduce the levels and clinical effects of theophylline.
Animal research shows that fenugreek 50 grams daily for 7 days reduces the maximum serum concentration (Cmax) of theophylline by 28% and the area under the plasma drug concentration-time curve (AUC) by 22%.
Warfarin (Coumadin)
Theoretically, fenugreek might have additive effects with warfarin and increase the international normalized ratio (INR).
Some fenugreek constituents have antiplatelet effects, although these might not be present in concentrations that are clinically significant. In one case report, a patient taking warfarin experienced an increased INR when starting to take fenugreek in combination with boldo.
Antihypertensive Drugs
Fenugreek may also have an additive effect on blood pressure-lowering medications. Studies on animals have shown that fenugreek seed can decrease both systolic and diastolic blood pressure by up to 22% when combined with metoprolol. Therefore, it is essential to monitor your blood pressure regularly if you are taking fenugreek and metoprolol together or any other antihypertensive drugs.
Blessed Thistle
Antacids
Theoretically, blessed thistle might decrease the effectiveness of antacids.
There are reports that blessed thistle increases stomach acid.
H2-Blockers
Theoretically, blessed thistle might decrease the effectiveness of H2-blockers.
There are reports that blessed thistle increases stomach acid.
Proton Pump Inhibitors (Ppis)
Theoretically, blessed thistle might decrease the effectiveness of PPIs.
There are reports that blessed thistle increases stomach acid.
Brand information
Manufacturer and brand details for Lactation Breastfeeding Support, from the product label.
Pink Stork
See all Pink Stork products- Name
- Augustine, Inc.
- Street Address
- 1093 A1A Beach Blvd., Suite 334
- City
- St. Augustine Beach
- State
- Florida
- ZipCode
- 32080
- Phone Number
- 877.262.9684
- Web Address
- www.pinkstork.com
Lactation Breastfeeding Support by Pink Stork: Common Questions
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Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind Lactation Breastfeeding Support’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Fenugreek
Interacts with 389 drugsFenugreek is a common kitchen spice that is also taken as a supplement, mainly for blood sugar, cholesterol, and to support breast milk production. Some early research is encouraging for blo...
Read the full Fenugreek monograph → Herb & supplement monographFennel
Interacts with 740 drugsFennel is a Mediterranean herb widely used as a food and spice, and traditionally taken for digestive complaints, colic, and menstrual cramps. Some small studies suggest possible benefit for...
Read the full Fennel monograph → Herb & supplement monographAlfalfa
Interacts with 583 drugsAlfalfa is a nutrient-rich legume that people use for high cholesterol, menopause symptoms, and general wellness, but solid human evidence for most of these uses is limited. It is best avoid...
Read the full Alfalfa monograph → Herb & supplement monographBlessed Thistle
Interacts with 36 drugsBlessed thistle is a bitter herb traditionally used to stimulate appetite and ease mild digestive complaints. High-quality human studies are lacking, so its benefits are not well proven. It...
Read the full Blessed Thistle monograph → Herb & supplement monographMilk Thistle
Interacts with 954 drugsMilk thistle is a popular herbal supplement most often used for liver health, and its main active component is a group of compounds called silymarin. While it is generally well tolerated, th...
Read the full Milk Thistle monograph →Sources & How We Checked
Lactation Breastfeeding Support's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 150 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Fenugreek 30 references
- Madar Z, Thorne R. Dietary fiber. Prog Food Nutr Sci 1987;11:153-74.
- Sharma RD, Raghuram TC, Rao NS. Effect of fenugreek seeds on blood glucose and serum lipids in type I diabetes. Eur J Clin Nutr 1990;44:301-6.
- Patil SP, Niphadkar PV, Bapat MM. Allergy to fenugreek (Trigonella foenum graecum). Ann Allergy Asthma Immunol 1997;78:297-300. PubMed
- Lambert J, Cormier J. Potential interaction between warfarin and boldo-fenugreek. Pharmacotherapy 2001;21:509-12. PubMed
- Bordia A, Verma SK, Srivastava KC. Effect of ginger (Zingiber officinale Rosc.) and fenugreek (Trigonella foenumgraecum L.) on blood lipids, blood sugar and platelet aggregation in patients with coronary artery disease. Prostaglandins Leukot Essent Fatty PubMed
- Yalcin SS, Tekinalp G, Ozalp I. Peculiar odor of traditional food and maple syrup urine disease. Pediatr Int 1999;41:108-9. PubMed
- Sewell AC, Mosandl A, Bohles H. False diagnosis of maple syrup urine disease owing to ingestion of herbal tea. N Engl J Med 1999;341:769.. PubMed
- Abdo MS, al-Kafawi AA. Experimental studies on the effect of Trigonella foenum-graecum (abstract). Planta Med 1969;17:14-8.
- Gupta A, Gupta R, Lal B. Effect of Trigonella foenum-graecum (fenugreek) seeds on glycaemic control and insulin resistance in type 2 diabetes mellitus: a double blind placebo controlled study. J Assoc Physicians India 2001;49:1057-61.
- Gabay MP. Galactogogues: medications that induce lactation. J Hum Lact 2002;18:274-9. PubMed
- Chevassus H, Gaillard JB, Farret A, et al. A fenugreek seed extract selectively reduces spontaneous fat intake in overweight subjects. Eur J Clin Pharmacol 2010;66(5):449-55. PubMed
- Turkyilmaz C, Onal E, Hirfanoglu IM, et al. The effect of galactagogue herbal tea on breast milk production and short-term catch-up of birth weight in the first week of life. J Altern Complement Med 2011;17(2):139-42. PubMed
- Swafford S, Berens P. Effect of fenugreek on breast milk volume. Abstract presented at: 5th International Meeting of the Academy of Breastfeeding Medicine; September 11-13,2000, Tucson, Arizona.
- Abdel-Barry, J. A., Abdel-Hassan, I. A., Jawad, A. M., and al Hakiem, M. H. Hypoglycaemic effect of aqueous extract of the leaves of Trigonella foenum-graecum in healthy volunteers. East Mediterr.Health J 2000;6(1):83-88. DOI
- Parvizpur, A., Ahmadiani, A., and Kamalinejad, M. Probable role of spinal purinoceptors in the analgesic effect of Trigonella foenum (TFG) leaves extract. J Ethnopharmacol 3-8-2006;104(1-2):108-112. PubMed
- Mora, A., Herrrera, A., Lopez, C., Dahbi, G., Mamani, R., Pita, J. M., Alonso, M. P., Llovo, J., Bernardez, M. I., Blanco, J. E., Blanco, M., and Blanco, J. Characteristics of the Shiga-toxin-producing enteroaggregative Escherichia coli O104:H4 German ou
- Blanco, J. [Stx2a-producing enteroaggregative Escherichia coli O104:H4-ST678. Microbiological diagnostic already, for this and other STEC/VTEC serotypes!]. Enferm.Infecc.Microbiol.Clin. 2012;30(2):84-89.
- Beutin, L. and Martin, A. Outbreak of Shiga toxin-producing Escherichia coli (STEC) O104:H4 infection in Germany causes a paradigm shift with regard to human pathogenicity of STEC strains. J Food Prot. 2012;75(2):408-418. PubMed
- King LA, Nogareda F, Weill FX, Mariani-Kurkdjian P, Loukiadis E, Gault G, Jourdan-DaSilva N, Bingen E, Macé M, Thevenot D, Ong N, Castor C, Noël H, Van Cauteren D, Charron M, Vaillant V, Aldabe B, Goulet V, Delmas G, Couturier E, Le Strat Y, Combe C, Delm
- Reeder C, Legrand A, O'Connor-Von SK. The Effect of Fenugreek on Milk Production and Prolactin Levels in Mothers of Preterm Infants. Clinical Lactation 2013;4(4):159-165. DOI
- Al-Jenoobi FI, Ahad A, Mahrous GM, Al-Mohizea AM, AlKharfy KM, Al-Suwayeh SA. Effects of fenugreek, garden cress, and black seed on theophylline pharmacokinetics in beagle dogs. Pharm Biol 2015;53(2):296-300. PubMed
- Rao A, Steels E, Inder WJ, Abraham S, Vitetta L. Testofen, a specialised Trigonella foenum-graecum seed extract reduces age-related symptoms of androgen decrease, increases testosterone levels and improves sexual function in healthy aging males in a doubl
- Steels E, Rao A, Vitetta L. Physiological aspects of male libido enhanced by standardized Trigonella foenum-graecum extract and mineral formulation. Phytother Res. 2011 Sep;25(9):1294-300.
- Gong J, Fang K, Dong H, Wang D, Hu M, Lu F. Effect of fenugreek on hyperglycaemia and hyperlipidemia in diabetes and prediabetes: A meta-analysis. J Ethnopharmacol. 2016 Dec 24;194:260-268. PubMed
- Ouzir M, El Bairi K, Amzazi S. Toxicological properties of fenugreek (Trigonella foenum graecum). Food Chem Toxicol. 2016 Oct;96:145-54. PubMed
- Khodamoradi K, Khosropanah MH, Ayati Z, et al. The Effects of Fenugreek on Cardiometabolic Risk Factors in Adults: A Systematic Review and Meta-analysis. Complement Ther Med. 2020;52:102416. PubMed
- Alkharfy K, Jan B, Alotaibi K, et al. Clopidogrel-herb Interactions: A Pharmacokinetic and Pharmacodynamic Assessment in a Rat Model. Curr Drug Metab 2021;22(12):969-977. PubMed
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
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