Interactions on record — worth a quick check against your medications. Based on 4 of 5 ingredients. Check your meds →
Dietary supplement

Milk Thistle Dandelion Ingredients & Drug Interactions

by Oregon's Wild Harvest

Capsule Category: Botanical
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Milk Thistle Dandelion is a dietary supplement by Oregon's Wild Harvest with 5 active ingredients. Its ingredients are commonly taken for water retention (diuretic), digestive upset, liver and gallbladder support.Based on those ingredients, 1,199 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Milk Thistle, Dandelion, Artichoke. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Milk Thistle Dandelion by Oregon's Wild Harvest

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.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 5 of its 5 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

Milk Thistle Dandelion contains five active ingredients: dandelion, artichoke, burdock, milk thistle, and milk thistle seed extract in powder form. Dandelion is traditionally used for liver and digestive support; artichoke leaf extract is taken for digestive comfort and cholesterol; burdock root has historical use for skin health; and milk thistle seed (silymarin) is widely used for liver protection and function.

The product also contains pullulan, an inactive ingredient used as a capsule material.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: Liver health and digestive support.
  • We looked for evidence on: Hepatitis, Biliary disorders, Dyspepsia, Constipation, Flatulence, Nonalcoholic fatty liver disease (NAFLD) — and 4 related terms.
  • The strongest evidence on file: Artichoke is rated "Possibly Effective" for Dyspepsia (Natural Medicines).
  • Also on file: Artichoke is rated "Possibly Effective" for Hyperlipidemia.
  • Also on file: Burdock is rated "Insufficient Reliable Evidence To Rate" for Hepatitis.

The evidence for this product's ingredients is mixed. Milk thistle is possibly effective for type 2 diabetes based on clinical research showing it can lower blood sugar.

Artichoke leaf extract is possibly effective for indigestion (dyspepsia) and elevated cholesterol (hyperlipidemia) according to small clinical trials. For the other conditions listed—dandelion for joint pain, tonsillitis, and postoperative swelling or pain; burdock for acne, aging skin, colds, and eczema; and artichoke for nonalcoholic fatty liver disease—the evidence is insufficient to rate their effectiveness.

We don't have established effectiveness data on file for these uses.

The evidence, ingredient by ingredient Dandelion Artichoke Burdock Milk Thistle

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 4 of the 4 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 4 of 4.
  • General safety write-ups exist for 4 of 4.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Milk thistle, dandelion, and artichoke are generally well tolerated, though supplement-strength doses are less studied than food amounts. Common side effects are mild gastrointestinal: nausea, diarrhea, bloating, and stomach discomfort.

Rarely, allergic reactions including anaphylaxis have been reported with any of these three ingredients, especially in people sensitive to the ragweed/daisy plant family (Asteraceae). Dandelion may cause dermatitis on skin.

There isn't enough reliable safety data during pregnancy to recommend use—the facts advise against medicinal amounts of burdock in pregnancy and recommend avoiding artichoke and milk thistle in supplement form. Safety during breastfeeding is not well established for any ingredient; caution is advised with dandelion and milk thistle, and artichoke and burdock are best avoided.

Side effects, ingredient by ingredient Dandelion Artichoke Burdock Milk Thistle

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 4 of the 4 matched ingredients can interact with medications — Burdock, Milk Thistle, Dandelion, Artichoke.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications; lithium.
  • For scale: 1,200 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before you start, check your medications against these: blood thinners like warfarin (moderate risk of increased bleeding), diabetes medications (moderate risk of low blood sugar), potassium-sparing water pills (moderate risk of high potassium), fluoroquinolone antibiotics like ciprofloxacin (moderate risk of reduced antibiotic levels), lithium (moderate risk of increased levels), blood pressure medications (moderate risk from artichoke), certain liver-breaking drugs including morphine and sofosbuvir (moderate risk of changed levels), and the immunosuppressant sirolimus (moderate risk). Use the medication checker below to verify your specific drugs.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

This is a combination herbal product with multiple documented medication interactions, especially with blood thinners, diabetes drugs, and certain antibiotics and antivirals. If you take any prescription medications, particularly for blood clotting, blood sugar, or liver conditions, check them against the tool on this page before starting.

Talk to your pharmacist or doctor—they can help you decide if and when to take this safely alongside what you're already on.

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 Sep 25, 2024.

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

At a glance

General information

Key facts about Milk Thistle Dandelion, straight from the product label.

Brand Oregon's Wild Harvest
Barcode (UPC) 706195000855
Net contents 90 Organic Vegan Capsule(s)
Market status On market
Date entered into DSLD Sep 25, 2024
DSLD ID 317185
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating), Organic, Gluten Free, Dairy Free
From the label
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 Milk Thistle Dandelion by Oregon's Wild Harvest, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
30
UPC/BARCODE
706195000855
IngredientAmount% DV
Dandelion240 mg--
Artichoke180 mg--
Burdock240 mg--
Milk Thistle300 mg--
Milk Thistle Seed Extract, Powder240 mg--

Other ingredients: Pullulan

Tap any ingredient to jump to its full detail below.

Label statements
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.
General Statements

Organic to our roots As certified organic farmers since 1994, our regenerative practices heal the land and water and sequester carbon from the atmosphere, while ensuring that pure, potent herbal medicine is available today and for future generations. Peace.

Formulation

Free from: Gluten, dairy and soy allergens.

Product verified non-GMO by SGS.

Organic USDA Organic

Liver support

Verified non-GMO

Certified Organic by Oregon Tilth.

Precautions

Caution: Keep out of reach of children.

If taking medication consult with a healthcare professional before use. Do not take if pregnant or nursing.

Discontinue use if unusual symptoms occur.

Do not exceed recommended dose.

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Brand IP Statement(s)

Oregon's Wild Harvest Family Farm Since 1994

FDA Statement of Identity

Herbal Supplement

Formula

Extract standardized to 80% silymarins

Seals/Symbols

Verified non-GMO USDA Organic

Oregon Tilth Certified Organic (OTCO)

Suggested/Recommended/Usage/Directions

Suggested Use: As an herbal supplement, take three capsules per day with food or as directed by your healthcare professional.

See for yourself

Milk Thistle Dandelion by Oregon's Wild Harvest label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Milk Thistle Dandelion by Oregon's Wild Harvest

These are the 5 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 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.

Dandelion

Interacts with
457 drugs
240 mg per serving

Dandelion is a common plant used in food and traditional medicine, often promoted as a natural 'water pill' and digestive aid. Human evidence for thes...

Dandelion monograph & interactions

Artichoke

Interacts with
363 drugs
180 mg per serving Form: Cynara scolymus

Artichoke leaf extract is a generally well-tolerated supplement that may have a mild cholesterol-lowering effect and is often used for indigestion, th...

Artichoke monograph & interactions

Burdock

Interacts with
122 drugs
240 mg per serving Form: Arctium lappa

Burdock is a traditional herb most often used for skin problems and as a so-called 'blood purifier,' but high-quality human studies are lacking and mo...

Burdock monograph & interactions

Milk Thistle

Interacts with
954 drugs
300 mg per serving

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 monograph & interactions

Milk Thistle Seed Extract, Powder

Interacts with
954 drugs
240 mg per serving Form: Silymarin

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 Seed Extract, Powder monograph & interactions

Other (inactive) ingredients: Pullulan. These complete the product’s ingredient list but are not active constituents.

Interaction report

Milk Thistle Dandelion by Oregon's Wild Harvest Drug Interactions

Want to check YOUR meds against Milk Thistle Dandelion?

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 checker
1,199Drugs
695 Moderate 504 Minor

Ingredients driving the most interactions

Dandelion 457
Artichoke 363
Burdock 122

Each ingredient & the kinds of drugs it affects

For each ingredient in Milk Thistle Dandelion 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 Thistle17 drug types · 954 drugs

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.

Likelihood Possible Evidence B
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence B
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Unlikely Evidence B
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.

Likelihood Unlikely Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Unlikely Evidence D
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.

Likelihood Unlikely Evidence B
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.

Likelihood Possible Evidence D
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.

Likelihood Unlikely Evidence B

Dandelion7 drug types · 457 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, taking dandelion root along with anticoagulant or antiplatelet drugs might increase the risk of bruising and bleeding.
In vitro research suggests that dandelion root inhibits platelet aggregation.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, dandelion might increase the risk for hypoglycemia when used with antidiabetes drugs.
Laboratory research suggests that dandelion extract may have moderate alpha-glucosidase inhibitor activity and might also increase insulin secretion. Also, in a case report, a 58-year-old woman with type 2 diabetes who was being treated with insulin developed hypoglycemia 2 weeks after beginning to eat salads containing dandelion.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, dandelion might increase levels of drugs metabolized by CYP1A2.
Laboratory research suggests that dandelion might inhibit CYP1A2. So far, this interaction has not been reported in humans. However, until more is known, watch for an increase in the levels of drugs metabolized by CYP1A2 in patients taking dandelion.

Likelihood Possible Evidence D
Glucuronidated Drugs

Theoretically, dandelion might increase the clearance of drugs that are UDP-glucuronosyltransferase substrates.
There is some preliminary evidence that dandelion might induce UDP-glucuronosyltransferase, a phase II enzyme.

Likelihood Possible Evidence D
Lithium

Theoretically, through diuretic effects, dandelion might reduce excretion and increase levels of lithium.
Animal research suggests that dandelion has diuretic properties. As diuretics can increase serum lithium levels, the dose of lithium might need to be decreased when taken with dandelion.

Likelihood Probable Evidence D
Potassium-Sparing Diuretics

Theoretically, dandelion might increase the risk of hyperkalemia when taken with potassium-sparing diuretics.
Dandelion contains significant amounts of potassium.

Likelihood Possible Evidence D
Quinolone Antibiotics

Theoretically, dandelion might lower fluoroquinolone levels.
Animal research shows that dandelion reduces absorption of ciprofloxacin and can lower levels by 73%. However, this effect has not been reported in humans.

Likelihood Possible Evidence D

Artichoke4 drug types · 363 drugs

Antidiabetes Drugs

Theoretically, artichoke leaf extract may increase the risk of hypoglycemia when taken with antidiabetes drugs.
A meta-analysis of small clinical studies shows that taking artichoke leaf extract for 8-12 weeks can modestly reduce fasting plasma glucose when compared with placebo.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, artichoke leaf extract may increase the risk of hypotension when taken with antihypertensive drugs.
A meta-analysis of small clinical studies in patients with hypertension shows that taking artichoke can reduce systolic blood pressure by around 3 mmHg and diastolic blood pressure by around 2 mmHg when compared with placebo.

Likelihood Possible Evidence D
Cytochrome P450 2B6 (Cyp2B6) Substrates

Theoretically, artichoke might increase serum levels of drugs metabolized by CYP2B6.
In vitro research shows that artichoke leaf extract inhibits CYP2B6 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C19 (Cyp2C19) Substrates

Theoretically, artichoke might increase serum levels of drugs metabolized by CYP2C19.
In vitro research shows that artichoke leaf extract inhibits CYP2C19 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D

Burdock1 drug type · 122 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, taking burdock with anticoagulant or antiplatelet drugs might increase the risk of bleeding.

In vitro research shows that lignans from burdock reduce rabbit platelet aggregation by inhibiting platelet activating factor. This interaction has not been reported in humans.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for Milk Thistle Dandelion, from the product label.

Oregon's Wild Harvest

See all Oregon's Wild Harvest products
Name
Oregon's Wild Harvest
City
Redmond
State
OR
ZipCode
97756
Phone Number
800-316-6869
Web Address
oregonswildharvest.com
Pharmacist Counseling Corner

Milk Thistle Dandelion by Oregon's Wild Harvest: Common Questions

Does Milk Thistle Dandelion by Oregon's Wild Harvest interact with any medications?
Yes. Based on its ingredients, Milk Thistle Dandelion has a known interaction with 1,199 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Milk Thistle Dandelion contains 5 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Does this product really affect that many medications?
The 1,184 count is the total of individual drugs across all the ingredient interactions combined—so one drug type like 'diabetes medications' might include dozens of individual insulin and non-insulin agents. That doesn't mean you're on all of them, but it's why checking your specific prescriptions is so important.
Can I take this if I'm on a blood thinner?
Both dandelion and milk thistle may increase bleeding risk with warfarin and other blood thinners. There's even one case report of warfarin's effect jumping significantly when combined with a product containing milk thistle and dandelion. Don't start this without talking to your pharmacist or doctor first—they may need to monitor you closely.
What are the most common side effects?
Mild stomach upset—nausea, diarrhea, bloating, and indigestion—is the most common. Allergic reactions are rare but possible, especially if you're sensitive to ragweed, daisies, or related plants. Stop and seek help if you have trouble breathing or facial swelling.
Is this safe during pregnancy?
The facts advise against medicinal doses during pregnancy due to lack of safety data. Artichoke and milk thistle supplements are best avoided, and burdock medicinal amounts are not recommended. Talk with your doctor or pharmacist before use if you're pregnant or planning to become pregnant.
What is milk thistle actually for?
Milk thistle seed (silymarin) is used to support liver health and function. Clinical evidence shows it can modestly lower blood sugar in type 2 diabetes, which is why it's possibly effective for that use.
Can I take this with my diabetes medication?
Both dandelion and milk thistle can lower blood sugar, so taking them with diabetes drugs may increase your risk of low blood sugar (hypoglycemia). Artichoke may also modestly lower blood sugar. Talk to your doctor or pharmacist—they may need to monitor your levels more closely or adjust your medication.

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.

Milk Thistle Dandelion label
Sources

Sources & How We Checked

Milk Thistle Dandelion'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.

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 123 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.

Dandelion 27 references
  1. Maliakal PP, Wanwimolruk S. Effect of herbal teas on hepatic drug metabolizing enzymes in rats. J Pharm Pharmacol 2001;53:1323-9. PubMed
  2. Williams CA, Goldstone F, Greenham J. Flavonoids, cinnamic acids and coumarins from the different tissues and medicinal preparations of Taraxacum officinale. Phytochemistry 1996;42:121-7. PubMed
  3. Hussain Z, Waheed A, Qureshi RA, et al. The effect of medicinal plants of Islamabad and Murree region of Pakistan on insulin secretion from INS-1 cells. Phytother Res 2004;18:73-7. PubMed
  4. Racz-Kotilla E, Racz G, Solomon A. The action of Taraxacum officinale extracts on the body weight and diuresis of laboratory animals. Planta Med 1974;26:212-7. PubMed
  5. Zhu M, Wong PY, Li RC. Effects of taraxacum mongolicum on the bioavailability and disposition of ciprofloxacin in rats. J Pharm Sci 1999;88:632-4. PubMed
  6. Jovanovic M, Mimica-Dukic N, Poljacki M, Boza P. Erythema multiforme due to contact with weeds: a recurrence after patch testing. Contact Dermatitis 2003;48:17-25. PubMed
  7. Chivato T, Juan F, Montoro A, Laguna R. Anaphylaxis induced by ingestion of a pollen compound. J Investig Allergol Clin Immunol 1996;6:208-9.
  8. Cohen SH, Yunginger JW, Rosenberg N, Fink JN. Acute allergic reaction after composite pollen ingestion. J Allergy Clin Immunol 1979;64:270-4. PubMed
  9. Lovell CR, Rowan M. Dandelion dermatitis. Contact Dermatitis 1991;25:185-8. PubMed
  10. Agarwal SC, Crook JR, Pepper CB. Herbal remedies -- how safe are they? A case report of polymorphic ventricular tachycardia/ventricular fibrillation induced by herbal medication used for obesity. Int J Cardiol 2006;106:260-1. PubMed
  11. Martín-Muñoz MF, Bartolome B, Caminoa M, et al. Bee pollen: a dangerous food for allergic children. Identification of responsible allergens. Allergol Immunopathol (Madr) 2010;38:263-5. PubMed
  12. Neef H, Cilli F, Declerck PJ, et al. Platelet anti-aggregating activity of Taraxacum officinale Weber. Phytotherapy Research 1996;10:s138-s140.
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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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