TheraSlim Ingredients & Drug Interactions
by Klaire Labs
What is this page for?
First and foremost: checking TheraSlim 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
TheraSlim is a dietary supplement by Klaire Labs with 4 active ingredients. Its ingredients are commonly taken for preventing or treating low potassium (hypokalemia), supporting healthy blood pressure, muscle cramps.Based on those ingredients, 2,094 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Acacia Gum, Fennel, Potassium. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against TheraSlim by Klaire Labs
Ask about any prescription or over-the-counter medication and we check it for interactions with TheraSlim by Klaire Labs — 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 TheraSlim by Klaire Labs
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
Partial disclosure
TheraSlim contains 4 active ingredients. Potassium is a mineral your body needs for heart rhythm, muscle function, and nerve signaling.
Acacia gum (also called gum arabic) is a natural fiber from acacia trees, traditionally used as a thickener. Fennel is an herb with a mild licorice-like flavor, and white kidney bean seed extract is derived from white kidney beans — though we hold no detailed data on this ingredient.
The capsule also contains several inactive ingredients: hydroxypropyl methylcellulose, water, silicified microcrystalline cellulose, and ascorbyl palmitate (a form of vitamin C used as a preservative).
Does it work?
Not established
The evidence on this product's ingredients is mixed. Fennel is possibly effective for menstrual cramps (dysmenorrhea), but acacia gum's usefulness for metabolic syndrome, kidney failure, sickle cell disease, obesity, gingivitis, and peristomal lesions has insufficient evidence to rate.
We hold no effectiveness data for potassium or white kidney bean seed extract in the conditions this product targets. If you're considering TheraSlim for a specific goal, talk it over with your doctor or pharmacist — they can tell you whether the evidence backs what you're hoping to achieve.
How safe is it?
Well-documented data
Potassium from food is fine, but supplements can build to dangerously high levels in some people, especially those with kidney disease — that's why the safety data advises using supplements only under medical guidance. During pregnancy, dietary potassium is appropriate, but supplements should only be used under medical supervision.
While breastfeeding, check with your doctor before taking potassium supplements. Acacia gum is generally recognized as safe as a food additive, though high supplemental doses may cause digestive upset — mainly abdominal bloating, flatulence, nausea, vomiting, cramping, and mild diarrhea, which may fade within 2 weeks.
Fennel is generally well tolerated as a food, but the safety data advises avoiding medicinal or concentrated amounts during pregnancy due to limited safety data and possible hormone-like effects; while breastfeeding, food amounts are likely fine, but medicinal doses and the essential oil are not well studied. Potassium can cause nausea, vomiting, abdominal pain, diarrhea, and flatulence; in rare cases, high levels cause irregular heartbeat, heart block, low blood pressure, or mental confusion.
Meds to double-check
Moderate interaction found
Before taking TheraSlim, double-check with your doctor or pharmacist if you take potassium-sparing diuretics (water pills that preserve potassium), ACE inhibitors, or ARBs — these blood pressure drugs carry a Moderate risk of dangerously high blood potassium when combined with this supplement. Also confirm that you're not taking amoxicillin, ciprofloxacin, birth control pills, hormone replacement therapy, blood thinners (anticoagulants or antiplatelet drugs), tamoxifen, or drugs metabolized by the CYP3A4 liver enzyme, all of which have documented Moderate interactions with ingredients in this product.
The bottom line
Scorecard at a glancePartially disclosed formula with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.
TheraSlim may be worth considering if you're looking for a supplement combining potassium, acacia gum, and fennel — but you'll need to check your medications first because these ingredients interact with blood pressure drugs, antibiotics, birth control, and several other types of medication. If you take any prescription drugs, are pregnant or breastfeeding, or have kidney disease, talk with your own doctor or pharmacist before starting this product.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 3 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jan 23, 2023.
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 TheraSlim, straight from the product label.
| Brand | Klaire Labs |
|---|---|
| Barcode (UPC) | 828054009301 |
| Net contents | 90 Vegetarian Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Jan 23, 2023 |
| DSLD ID | 281399 |
| Product type | Botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free, Dairy 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 TheraSlim by Klaire Labs, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Total Carbohydrate | 1 Gram(s) | 1% |
| Potassium | 25 mg | 1% |
| Acacia Gum | 0 NP | -- |
| Fennel | 500 mg | -- |
| White Kidney Bean Seed Extract | 0 NP | -- |
| Phase 2 Carb Controller Proprietary Blend | 1000 mg | -- |
Other ingredients: Hydroxypropyl Methylcellulose, Water, silicified Microcrystalline Cellulose, Ascorbyl Palmitate
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
Free of the following common allergens: Milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, corn, and yeast. Contains no artificial colors, flavors, or preservatives.
Produced under a strict quality management system in compliance with Good Manufacturing Practices (GMPs) and third-party quality certifications.
Suggested/Recommended/Usage/Directions
Suggested Use: 2 capsules with each starch-rich meal or snack or as directed by a healthcare professional.
Brand IP Statement(s)
Phase 2 Carb Controller is used with permission.
SFI
Precautions
Do not use if shrinkwrap is broken or missing.
Caution: If you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your physician before using this product.
Keep out of reach of children.
Storage
Store in a cool, dry place (59 degrees F - 85 degrees F) away from direct light.
FDA Statement of Identity
Dietary Supplement with Phase 2
Formula
Dietary Supplement with Phase 2
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
TheraSlim by Klaire Labs 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 TheraSlim by Klaire Labs
These are the 4 active ingredients this product is made of. Select any to open its full monograph.
Serving size2 Capsule(s) Dosage formCapsule Servings per container45 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.
Potassium
Interacts with62 drugs
Potassium is an essential mineral your body needs for nerve signals, muscle function, and a steady heartbeat, and most people get enough from a balanc...
Potassium 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 & interactionsPhase 2 Carb Controller Proprietary Blend
- › Acacia Gum
- › White Kidney Bean Seed Extract
Other (inactive) ingredients: Hydroxypropyl Methylcellulose, Water, Silicified Microcrystalline Cellulose, Ascorbyl Palmitate. These complete the product’s ingredient list but are not active constituents.
TheraSlim by Klaire Labs Drug Interactions
HelloPharmacist Interaction Report
TheraSlim by Klaire Labs contains potassium, acacia gum, and fennel — all of which interact with medications.
The most serious concerns involve potassium and blood pressure drugs: potassium-sparing diuretics (water pills that preserve potassium), ACE inhibitors, and angiotensin receptor blockers (ARBs) all increase the risk of dangerously high blood potassium (hyperkalemia) when combined with this supplement.
Read the full breakdown — every affected drug type, severity by severity
Acacia gum can interfere with how your body absorbs oral medications in general, and it specifically reduces absorption of the antibiotic amoxicillin — separate them by at least 2 hours if you take both. Fennel in this product may theoretically affect birth control pills, hormone replacement therapy, blood thinners (anticoagulants and antiplatelet drugs), the cancer drug tamoxifen, the antibiotic ciprofloxacin, and drugs broken down by a liver enzyme called CYP3A4.
While these fennel interactions haven't been confirmed in humans, they're based on how fennel behaves in lab and animal studies.
We could not check white kidney bean seed extract — we hold no interaction data for it. Altogether, these interactions span 2,095 individual medications.
Before you start TheraSlim, run your exact medications through the interaction checker on this page or confirm with your own doctor or pharmacist.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against TheraSlim?
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 TheraSlim interact with 2,094 drugs. Click any drug to see the details.
3 of the 4 ingredients in TheraSlim interact with drugs. Each result below shows which ingredient is responsible. Acacia Gum Fennel Potassium
"phentolamineOraVerse, Rogitine, Ryzumvi
How "phentolamine interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + "phentolamine interaction6-mercaptopurinePurinethol
How 6-mercaptopurine interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + 6-mercaptopurine interactionAdo-trastuzumab EmtansineKadcyla
How Ado-trastuzumab Emtansine interacts with TheraSlim — through 1 ingredient. 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 interactionAbacavirZiagen
How Abacavir interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Abacavir interactionAbacavir Sulfate, Dolutegravir, LamivudineTriumeq
How Abacavir Sulfate, Dolutegravir, Lamivudine interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Abacavir Sulfate, Dolutegravir, Lamivudine interactionAbacavir, LamivudineEpzicom
How Abacavir, Lamivudine interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Abacavir, Lamivudine interactionAbciximabReoPro
How Abciximab interacts with TheraSlim — 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 interactionAcacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Abciximab interactionAbemaciclibVerzenio
How Abemaciclib interacts with TheraSlim — through 2 ingredients. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Abemaciclib interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Abemaciclib interactionAbiraterone
How Abiraterone interacts with TheraSlim — 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 interactionAcacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with TheraSlim — 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 interactionAcacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Abiraterone Acetate interactionAbrocitinibCibinqo
How Abrocitinib interacts with TheraSlim — through 2 ingredients. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Abrocitinib 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 + Abrocitinib interactionAcalabrutinibCalquence
How Acalabrutinib interacts with TheraSlim — through 2 ingredients. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acalabrutinib interactionFennelCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fennel might increase levels of drugs metabolized by CYP3A4.
Read the full Fennel + Acalabrutinib interactionAcamprosateCampral
How Acamprosate interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acamprosate interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acarbose interactionAcebutololRhotral, Sectral
How Acebutolol interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acebutolol interactionAcenocoumarolSintrom
How Acenocoumarol interacts with TheraSlim — through 2 ingredients. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acenocoumarol 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 + Acenocoumarol interactionAcepromazineAtravet
How Acepromazine interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acepromazine interactionAcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength
How Acetaminophen interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with TheraSlim — 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 + Acetaminophen, Aspirin interactionAcacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with TheraSlim — through 2 ingredients. Tap an ingredient for the detail:
FennelAnticoagulant/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 interactionAcacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu
How Acetaminophen, Brompheniramine, Phenylpropanolamine interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAcetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more
How Acetaminophen, Butalbital interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Butalbital interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with TheraSlim — through 2 ingredients. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + 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 TheraSlim — 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, Butalbital, Caffeine, Codeine interactionAcacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Butalbital, CodeineBancap w/ Codeine
How Acetaminophen, Butalbital, Codeine interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Butalbital, Codeine interactionAcetaminophen, Butalbital, Codeine PhosphatePhrenilin #3
How Acetaminophen, Butalbital, Codeine Phosphate interacts with TheraSlim — through 1 ingredient. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Butalbital, Codeine Phosphate interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with TheraSlim — through 2 ingredients. Tap an ingredient for the detail:
Acacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + 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 interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with TheraSlim — 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 interactionAcacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with TheraSlim — 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, Salicylamide interactionAcacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with TheraSlim — 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, Dihydrocodeine interactionAcacia GumOral Drugs Moderate
Interaction Summary
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Read the full Acacia Gum + Acetaminophen, Caffeine, Dihydrocodeine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in TheraSlim 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.
Acacia Gum
Amoxicillin (Amoxil, Trimox)
Gum arabic can reduce the absorption of amoxicillin.
A small study in healthy volunteers shows that taking amoxicillin and gum arabic concurrently significantly reduces the absorption of amoxicillin. Separate doses of amoxicillin from gum arabic by at least 2 hours.
Oral Drugs
Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.
Gum arabic has been used as a suspending osmotic agent in drug formulations. It might improve bioavailability of water-insoluble drugs like naproxen, but reduce absorption of polar drugs like amoxicillin. To avoid changes in absorption, take gum arabic 30-60 minutes after oral medications.
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.
Potassium
Ace Inhibitors (Aceis)
Using ACEIs with high doses of potassium increases the risk of hyperkalemia.
ACEIs block the actions of the renin-angiotensin-aldosterone system and reduce potassium excretion. Concomitant use of these drugs with potassium supplements increases the risk of hyperkalemia. However, concomitant use of these drugs with moderate dietary potassium intake (about 3775-5200 mg daily) does not increase serum potassium levels.
Angiotensin Receptor Blockers (Arbs)
Using ARBs with high doses of potassium increases the risk of hyperkalemia.
ARBs block the actions of the renin-angiotensin-aldosterone system and reduce potassium excretion. Concomitant use of these drugs with potassium supplements increases the risk of hyperkalemia. However, concomitant use of these drugs with moderate dietary potassium intake (about 3775-5200 mg daily) does not increase serum potassium levels.
Potassium-Sparing Diuretics
Concomitant use increases the risk of hyperkalemia.
Using potassium-sparing diuretics with potassium supplements increases the risk of hyperkalemia.
Brand information
Manufacturer and brand details for TheraSlim, from the product label.
Klaire Labs
See all Klaire Labs products- Name
- SFI USA
- City
- Reno
- State
- NV
- ZipCode
- 89521
- Web Address
- Klaire.com
TheraSlim by Klaire Labs: Common Questions
Does TheraSlim by Klaire Labs interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Is it safe to take TheraSlim while I'm pregnant?
What are the most common side effects?
Can I take TheraSlim while I'm breastfeeding?
Does fennel really work for what this product is marketed for?
Why does the interaction data mention 2,095 medications?
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 TheraSlim’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Potassium
Interacts with 62 drugsPotassium is an essential mineral your body needs for nerve signals, muscle function, and a steady heartbeat, and most people get enough from a balanced diet rich in fruits and vegetables. P...
Read the full Potassium 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 monographGum Arabic
Interacts with 2,022 drugsGum arabic is a soluble dietary fiber from the acacia tree that is widely used as a safe food additive and is sometimes taken as a supplement for digestive health and as a prebiotic. Early s...
Read the full Gum Arabic monograph →Sources & How We Checked
TheraSlim'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 37 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.
Potassium 12 references
- McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
- Gennaro A. Remington: The Science and Practice of Pharmacy. 19th ed. Lippincott: Williams & Wilkins, 1996.
- Whelton PK, He J, Cutler JA, et al. Effects of oral potassium on blood pressure. Meta-analysis of randomized controlled clinical trials. JAMA 1997;277:1624-32. PubMed
- Phillips, C. O., Kashani, A., Ko, D. K., Francis, G., and Krumholz, H. M. Adverse effects of combination angiotensin II receptor blockers plus angiotensin-converting enzyme inhibitors for left ventricular dysfunction: a quantitative review of data from ra DOI
- Altieri, P. I., Herrero, C., Suero, R., and Ortiz, A. Bleeding duodenal ulcer in a patient taking slow-releasing potassium tablets. Bol.Asoc.Med P.R. 1977;69(8):276.
- Raf, L. E. Enteric-coated potassium chloride tablets and ulcer of the small intestine. Acta Chir Scand Suppl 1967;(374):1-87.
- Potassium chloride oral solution [package insert]. Allentown, PA: Lehigh Valley Technologies, Inc.; 2014.
- Potassium chloride injection [package insert]. Lake Forest, IL: Hospira Inc.; 2009.
- Patel RB, Tannenbaum S, Viana-Tejedor A, et al. Serum potassium levels, cardiac arrhythmias, and mortality following non-ST-elevation myocardial infarction or unstable angina: insights from MERLIN-TIMI 36. Eur Heart J Acute Cardiovasc Care 2017 Feb;6(1):1 PubMed
- Malta D, Arcand J, Ravindran A, Floras V, Allard JP, Newton GE. Adequate intake of potassium does not cause hyperkalemia in hypertensive individuals taking medications that antagonize the renin angiotensin aldosterone system. Am J Clin Nutr 2016 Oct;104(4 PubMed
- Keskin M, Kaya A, Tatlisu MA, et al. The effect of serum potassium level on in-hospital and long-term mortality in ST elevation myocardial infarction. Int J cardiol. 2016 Oct 15;221:505-10.
- Stallings VA, Harrison M, Oria M; Committee to Review the Dietary Reference Intakes for Sodium and Potassium, Food and Nutrition Board, Health and Medicine Division, National Academies of Sciences, Engineering, and Medicine. Washington (DC): National Acad
Gum Arabic 8 references
- Jensen CD, Spiller GA, Gates JE, et al. The effect of acacia gum and a water-soluble dietary fiber mixture on blood lipids in humans. J Am Coll Nutr 1993;12:147-54. PubMed
- Eltayeb IB, Awad AI, Elderbi MA, Shadad SA. Effect of gum arabic on the absorption of a single oral dose of amoxicillin in healthy Sudanese volunteers. J Antimicrob Chemother 2004;54:577-8. PubMed
- Babiker R, Merghani TH, Elmusharaf K, et al. Effects of gum Arabic ingestion on body mass index and body fat percentage in healthy adult females: two-arm randomized, placebo controlled, double-blind trial. Nutr J 2012;11:111. PubMed
- Babiker R, Elmusharaf K, Keogh MB, Banaga AS, Saeed AM. Metabolic effect of gum Arabic (Acacia senegal) in patients with type 2 diabetes mellitus (T2DM): randomized, placebo controlled double blind trial. Functional Foods in Health and Disease. 2017;7(3): DOI
- Beneke CE, Viljoen AM, Hamman JH. Polymeric plant-derived excipients in drug delivery. Molecules. 2009;14(7):2602-20. PubMed
- Ali NE, Kaddam LA, Alkarib SY, et al. Gum Arabic (Acacia Senegal) Augmented Total Antioxidant Capacity and Reduced C-Reactive Protein among Haemodialysis Patients in Phase II Trial. Int J Nephrol. 2020;2020:7214673.
- Mortensen A, Aguilar F, Crebelli R, et al. Re-evaluation of acacia gum (E 414) as a food additive. EFSA J. 2017;15(4):e04741. PubMed
- Larson R, Nelson C, Korczak R, et al. Acacia Gum Is Well Tolerated While Increasing Satiety and Lowering Peak Blood Glucose Response in Healthy Human Subjects. Nutrients 2021;13(2):618. PubMed
Fennel 17 references
- Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
- Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
- Zhu M, Wong PY, Li RC. Effect of oral administration of fennel (Foeniculum vulgare) on ciprofloxacin absorption and disposition in the rat. J Pharm Pharmacol 1999;51:1391-6.
- Gral N, Beani JC, Bonnot D, et al. [Plasma levels of psoralens after celery ingestion]. Ann Dermatol Venereol 1993;120:599-603.
- Burkhard PR, Burkhardt K, Haenggeli CA, Landis T. Plant-induced seizures: reappearance of an old problem. J Neurol 1999;246:667-70. PubMed
- Rosti L, Nardini A, Bettinelli ME, Rosti D. Toxic effects of a herbal tea mixture in two newborns. Acta Paediatrica 1994;83:683. PubMed
- Cuzzolin L, Zaffani S, and Benoni G. Safety implications regarding use of phytomedicines. Eur.J Clin Pharmacol. 2006;62:37-42. PubMed
- Tognolini, M., Ballabeni, V., Bertoni, S., Bruni, R., Impicciatore, M., and Barocelli, E. Protective effect of Foeniculum vulgare essential oil and anethole in an experimental model of thrombosis. Pharmacol.Res 2007;56(3):254-260. PubMed
- Subehan, Usia, T., Iwata, H., Kadota, S., and Tezuka, Y. Mechanism-based inhibition of CYP3A4 and CYP2D6 by Indonesian medicinal plants. J Ethnopharmacol. 5-24-2006;105(3):449-455. PubMed
- Tognolini, M., Barocelli, E., Ballabeni, V., Bruni, R., Bianchi, A., Chiavarini, M., and Impicciatore, M. Comparative screening of plant essential oils: phenylpropanoid moiety as basic core for antiplatelet activity. Life Sci. 2-23-2006;78(13):1419-1432. PubMed
- Subehan, Zaidi, S. F., Kadota, S., and Tezuka, Y. Inhibition on human liver cytochrome P450 3A4 by constituents of fennel (Foeniculum vulgare): identification and characterization of a mechanism-based inactivator. J Agric.Food Chem. 12-12-2007;55(25):101 PubMed
- LEVY, S. B. Bronchial asthma due to ingestion of fennel and fennel seed. Ann.Allergy 1948;6(4):415.
- Ottolenghi, A., De Chiara, A., Arrigoni, S., Terracciano, L., and De Amici, M. [Diagnosis of food allergy caused by fruit and vegetables in children with atopic dermatitis]. Pediatr Med Chir 1995;17(6):525-530.
- Trabace L, Tucci P, Ciuffreda L, et al. "Natural" relief of pregnancy-related symptoms and neonatal outcomes: above all do no harm. J Ethnopharmacol. 2015;174:396-402. PubMed
- Denaxa D, Arkwright PD. Fennel as a cause of immediate hypersensitivity to toothpaste. Ann Allergy Asthma Immunol. 2020;125(1):99-100. PubMed
- Lee HW, Ang L, Lee MS, Alimoradi Z, Kim E. Fennel for reducing pain in primary dysmenorrhea: a systematic review and meta-analysis of randomized controlled trials. Nutrients 2020;12(11):3438. PubMed
- Mathew T, John SK, Javali M, Vasireddy M, Nadig R, Sarma GRK. Substance use related cluster headache: A case series. Headache 2022;62(7):908-910. PubMed
Parts of this content are provided by the Therapeutic Research Center, LLC.
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.
© 2021 Therapeutic Research Center, LLC