Fo-Ti Extract Ingredients & Drug Interactions
by Herbadiet
What is this page for?
First and foremost: checking Fo-Ti Extract 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
Fo-Ti Extract is a dietary supplement by Herbadiet with 1 active ingredient. Its ingredients are commonly taken for anti-aging and longevity, hair graying and hair loss, general tonic for vitality.Based on those ingredients, 1,257 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Fo-Ti Root Extract, Powder. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Fo-Ti Extract by Herbadiet
Ask about any prescription or over-the-counter medication and we check it for interactions with Fo-Ti Extract by Herbadiet — 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 Fo-Ti Extract by Herbadiet
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
Fo-Ti Extract by Herbadiet contains one active ingredient: Fo-Ti Root Extract in powder form. Fo-ti is a traditional plant used in herbal medicine.
The product contains no other inactive ingredients or fillers.
Does it work?
Insufficient evidence
The evidence we hold does not establish that fo-ti is effective for any condition. Its proposed uses — including age-related cognitive decline, male-pattern baldness, Alzheimer disease, osteoporosis, and cardiovascular disease — all lack reliable evidence to rate its benefit in our data.
How safe is it?
Well-documented data
Fo-ti has been linked to liver injury in both processed and unprocessed forms, and should be used carefully and under professional guidance. Around 450 cases of hepatitis tied to fo-ti have been documented in medical literature, occurring across a wide range of doses and durations.
Outcomes have ranged from full recovery to cirrhosis and liver transplant. Common side effects with unprocessed fo-ti include abdominal pain, diarrhea, nausea, and vomiting.
The safety data advises against fo-ti during pregnancy and breastfeeding.
Meds to double-check
Moderate interaction found
Before taking this product, check with your doctor or pharmacist if you take blood thinners or anticoagulants (especially warfarin), heart medications like digoxin, nonsteroidal anti-inflammatory drugs such as sulindac, water pills (diuretics), stimulant laxatives, or any drug metabolized by your liver. The raw form of fo-ti poses the strongest risks.
The bottom line
Scorecard at a glanceFully disclosed formula with insufficient evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
Fo-Ti Extract carries real risks — most notably to people on blood thinners and heart medications, and to anyone concerned about liver health. The documented case of acute liver failure in a patient on warfarin is a serious flag.
Because evidence for its effectiveness is lacking and the safety concerns are significant, talk with your doctor or pharmacist before taking it, especially if you're on any prescription medications.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jun 22, 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 Fo-Ti Extract, straight from the product label.
| Brand | Herbadiet |
|---|---|
| Net contents | 60 V Cap(s) |
| Market status | On market |
| Date entered into DSLD | Jun 22, 2023 |
| DSLD ID | 293748 |
| Product type | Botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegan, Vegetarian, 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 Fo-Ti Extract by Herbadiet, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Fo-Ti Root Extract, Powder | 400 mg | -- |
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.
Formula
Herbadiet Fo-Ti is a high potency 10:1 concentrated extract. This full spectrum extract retains all the active constituents in nature intended balanced ratio. Encapsulating this goodness in our quick release, easy to swallow vegan capsules, guarantees you a premium quality nutritional supplement
Formulation
Supports Immune System Supports Cardiovascular Health Supports Nervous System
100% Natural Anti-Ageing
Vegan
Free of fillers, binders, artificial ingredients, dairy, soy, wheat, gluten, yeast
Suitable for vegetarians and vegans
Contains nothing other than listed ingredients
FDA Disclaimer Statement
These statements have not been evaluated by FDA. This product is not intended to diagnose, treat, cure or prevent any disease.
Precautions
Keep out of reach of children.
Do not use if seal under the cap is broken or missing. Dietary supplement shouldn't be used as a substitute for a varied diet
Caution: If you are pregnant, breast feeding, or taking medications, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur. Not for medicinal use
Storage
Store in a dry place.
General Statements
Batch No: ARK/C/154
Seals/Symbols
FSSAI (Food Safety and Standards Authority of India) Lic. No.: 20817018000147 Vcaps Plus (Vegetarian)
FDA Statement of Identity
Dietary Supplement
Suggested/Recommended/Usage/Directions
Directions for use: As a dietary supplement, take 1 capsule, twice a day, or as directed by your physician
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Fo-Ti Extract by Herbadiet 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 Fo-Ti Extract by Herbadiet
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule Servings per container60 Amounts shown are per serving.
Fo-Ti Root Extract, Powder
Interacts with1,257 drugs
Fo-ti (He Shou Wu) is a root used in traditional Chinese medicine, often promoted for healthy aging and hair. High-quality human evidence for these be...
Fo-Ti Root Extract, Powder monograph & interactionsFo-Ti Extract by Herbadiet Drug Interactions
HelloPharmacist Interaction Report
Fo-Ti Extract by Herbadiet interacts with a substantial number of medications through its single active ingredient.
The most serious documented interaction is with blood thinners (anticoagulants), particularly warfarin — fo-ti has been linked to cases of acute liver failure that can dangerously increase warfarin's effects. In one documented case, a patient stable on warfarin developed acute hepatitis with a severely elevated clotting time (INR of 14.98) after taking fo-ti for 90 days.
Read the full breakdown — every affected drug type, severity by severity
The ingredient also affects heart medications like digoxin, drugs processed by your liver's cytochrome P450 enzymes (CYP2C8, CYP2B6 substrates), and sulindac — a nonsteroidal anti-inflammatory. It can compound the effects of stimulant laxatives and water pills (diuretics), raising the risk of potassium loss and dehydration.
The type of fo-ti matters: raw fo-ti carries stronger laxative effects and greater potential to alter drug levels than processed versions.
Although we hold detailed interaction data for fo-ti, the documented interactions are largely theoretical in humans — meaning animal research and lab studies suggest them, but they haven't been reported widely in patients. The warfarin case stands as a clear exception.
Altogether, these interactions span 1,258 individual medications.
If you take any prescription medication — especially blood thinners, heart drugs, water pills, or anything metabolized by your liver — search your exact drugs using the tool on this page before starting fo-ti.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Fo-Ti Extract?
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 Fo-Ti Extract interact with 1,257 drugs. Click any drug to see the details.
1 of the 1 ingredient in Fo-Ti Extract interact with drugs. Each result below shows which ingredient is responsible. Fo-Ti Root Extract, Powder
AlogliptinNesina
How Alogliptin interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 2c8 (cyp2c8) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates +2 Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP2C8.
Read the full Fo-ti Root Extract, Powder + Alogliptin interactionAlogliptin, MetforminKazano
How Alogliptin, Metformin interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, fo-ti might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Read the full Fo-ti Root Extract, Powder + Alogliptin, Metformin interactionAlogliptin, PioglitazoneOseni
How Alogliptin, Pioglitazone interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderAntidiabetes Drugs, Cytochrome P450 2c8 (cyp2c8) Substrates +2 Moderate
Interaction Summary
Theoretically, fo-ti might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Read the full Fo-ti Root Extract, Powder + Alogliptin, Pioglitazone interactionAlpelisibPiqray
How Alpelisib interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP3A4.
Read the full Fo-ti Root Extract, Powder + Alpelisib interactionAlprazolamNiravam, Xanax
How Alprazolam interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP3A4.
Read the full Fo-ti Root Extract, Powder + Alprazolam interactionAlteplase, TpaActilyse, Activase
How Alteplase, Tpa interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Fo-ti has been linked to cases of acute liver failure which can decrease clotting factor production and increase the effects of anticoagulants.
Read the full Fo-ti Root Extract, Powder + Alteplase, Tpa interactionAluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium HydroxideAscriptin Codeine #2
How Aluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium Hydroxide interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderAnticoagulant/antiplatelet Drugs, Cytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Fo-ti has been linked to cases of acute liver failure which can decrease clotting factor production and increase the effects of anticoagulants.
Read the full Fo-ti Root Extract, Powder + Aluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium Hydroxide interactionAluminum Hydroxide, Aspirin, Magnesium HydroxideAscriptin
How Aluminum Hydroxide, Aspirin, Magnesium Hydroxide interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Fo-ti has been linked to cases of acute liver failure which can decrease clotting factor production and increase the effects of anticoagulants.
Read the full Fo-ti Root Extract, Powder + Aluminum Hydroxide, Aspirin, Magnesium Hydroxide interactionAmbrisentanLetairis, Volibris
How Ambrisentan interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderHepatotoxic Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.
Read the full Fo-ti Root Extract, Powder + Ambrisentan interactionAmiloride, HydrochlorothiazideAmil-Co, Amilzide, Moduret 25, Moduretic
How Amiloride, Hydrochlorothiazide interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderDiuretic Drugs Moderate
Interaction Summary
Theoretically, fo-ti, particularly raw fo-ti root, might increase the risk of hypokalemia when taken with diuretic drugs.
Read the full Fo-ti Root Extract, Powder + Amiloride, Hydrochlorothiazide interactionAminosalicylic AcidPaser
How Aminosalicylic Acid interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.
Read the full Fo-ti Root Extract, Powder + Aminosalicylic Acid interactionAmiodaroneCordarone, Pacerone
How Amiodarone interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderHepatotoxic Drugs, Cytochrome P450 3a4 (cyp3a4) Substrates +1 Moderate
Interaction Summary
Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.
Read the full Fo-ti Root Extract, Powder + Amiodarone interactionAmitriptylineElavil
How Amitriptyline interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 2c19 (cyp2c19) Substrates, Cytochrome P450 2d6 (cyp2d6) Substrates +3 Moderate
Interaction Summary
Theoretically, fo-ti may increase the levels and clinical effects of drugs metabolized by CYP2C19.
Read the full Fo-ti Root Extract, Powder + Amitriptyline interactionAmitriptyline, ChlordiazepoxideLimbitrol DS
How Amitriptyline, Chlordiazepoxide interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 2c9 (cyp2c9) Substrates, Cytochrome P450 2c19 (cyp2c19) Substrates +3 Moderate
Interaction Summary
Theoretically, fo-ti may increase the levels and clinical effects of drugs metabolized by CYP2C9.
Read the full Fo-ti Root Extract, Powder + Amitriptyline, Chlordiazepoxide interactionAmitriptyline, PerphenazineEtrafon, Etrafon-A, Etrafon-Forte, Triavil
How Amitriptyline, Perphenazine interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 2c9 (cyp2c9) Substrates +3 Moderate
Interaction Summary
Theoretically, fo-ti might increase or decrease the levels and clinical effects of drugs metabolized by CYP1A2.
Read the full Fo-ti Root Extract, Powder + Amitriptyline, Perphenazine interactionAmlodipineNorliqva
How Amlodipine interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP3A4.
Read the full Fo-ti Root Extract, Powder + Amlodipine interactionAmlodipine BenzoateKaterzia
How Amlodipine Benzoate interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP3A4.
Read the full Fo-ti Root Extract, Powder + Amlodipine Benzoate interactionAmlodipine BesilateIstin
How Amlodipine Besilate interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP3A4.
Read the full Fo-ti Root Extract, Powder + Amlodipine Besilate interactionAmlodipine BesylateNorvasc
How Amlodipine Besylate interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP3A4.
Read the full Fo-ti Root Extract, Powder + Amlodipine Besylate interactionAmlodipine Besylate, BenazeprilLotrel
How Amlodipine Besylate, Benazepril interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP3A4.
Read the full Fo-ti Root Extract, Powder + Amlodipine Besylate, Benazepril interactionAmlodipine, CelecoxibConsensi
How Amlodipine, Celecoxib interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 2c9 (cyp2c9) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP3A4.
Read the full Fo-ti Root Extract, Powder + Amlodipine, Celecoxib interactionAmmonium ChlorideAmmonium Chloride
How Ammonium Chloride interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderDiuretic Drugs Moderate
Interaction Summary
Theoretically, fo-ti, particularly raw fo-ti root, might increase the risk of hypokalemia when taken with diuretic drugs.
Read the full Fo-ti Root Extract, Powder + Ammonium Chloride interactionAmobarbital, SecobarbitalTuinal
How Amobarbital, Secobarbital interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 2b6 (cyp2b6) Substrates Moderate
Interaction Summary
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP2B6.
Read the full Fo-ti Root Extract, Powder + Amobarbital, Secobarbital interactionAmoxicillinAmix, Amoram, Amoxident, Amoxil Capsules, Amoxil Injection, Galenamox +3 more
How Amoxicillin interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.
Read the full Fo-ti Root Extract, Powder + Amoxicillin interactionAmoxicillin VeterinaryBiomox
How Amoxicillin Veterinary interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.
Read the full Fo-ti Root Extract, Powder + Amoxicillin Veterinary interactionAmoxicillin, Clavulanate PotassiumAugmentin, Augmentin '125/31 SF', Augmentin '250/62 SF', Augmentin XR, Augmentin-Duo 400/57, Clavulin
How Amoxicillin, Clavulanate Potassium interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderHepatotoxic Drugs Moderate
Interaction Summary
Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.
Read the full Fo-ti Root Extract, Powder + Amoxicillin, Clavulanate Potassium interactionAmoxicillin, Omeprazole Magnesium, RifabutinTalicia
How Amoxicillin, Omeprazole Magnesium, Rifabutin interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderHepatotoxic Drugs, Cytochrome P450 2c9 (cyp2c9) Substrates +2 Moderate
Interaction Summary
Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.
Read the full Fo-ti Root Extract, Powder + Amoxicillin, Omeprazole Magnesium, Rifabutin interactionAmphetamineAdensys XR-ODT, Adzenys ER, Dyanavel XR, Mydayis
How Amphetamine interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, fo-ti may increase the levels and clinical effects of drugs metabolized by CYP2D6.
Read the full Fo-ti Root Extract, Powder + Amphetamine interactionAmphetamine Aspartate, Amphetamine Sulfate, Dextroamphetamine Saccharate, Dextroamphetamine SulfateAdderall, Adderall XR
How Amphetamine Aspartate, Amphetamine Sulfate, Dextroamphetamine Saccharate, Dextroamphetamine Sulfate interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, fo-ti may increase the levels and clinical effects of drugs metabolized by CYP2D6.
Read the full Fo-ti Root Extract, Powder + Amphetamine Aspartate, Amphetamine Sulfate, Dextroamphetamine Saccharate, Dextroamphetamine Sulfate interactionAmphetamine SulfateBenzedrine, Evekeo ODT
How Amphetamine Sulfate interacts with Fo-Ti Extract — through 1 ingredient. Tap an ingredient for the detail:
Fo-ti Root Extract, PowderCytochrome P450 2d6 (cyp2d6) Substrates Moderate
Interaction Summary
Theoretically, fo-ti may increase the levels and clinical effects of drugs metabolized by CYP2D6.
Read the full Fo-ti Root Extract, Powder + Amphetamine Sulfate interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Fo-Ti Extract with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.
Fo-Ti Root Extract, Powder
Anticoagulant/Antiplatelet Drugs
Fo-ti has been linked to cases of acute liver failure which can decrease clotting factor production and increase the effects of anticoagulants. In one case, a patient who had been stable on warfarin presented with acute hepatitis and an INR elevated to 14.98. The patient had been taking fo-ti for 90 days prior to admission. Discontinuation of warfarin and fo-ti lead to a decrease in the INR and full recovery. Theoretically, concomitant use of fo-ti with anticoagulant or antiplatelet drugs may increase the risk of bleeding in some patients. Until more is known, monitor patients taking fo-ti and drugs that affect bleeding.
Some of these drugs include aspirin, clopidogrel (Plavix), dalteparin (Fragmin), dipyridamole (Persantine), enoxaparin (Lovenox), heparin, ticlopidine (Ticlid), warfarin (Coumadin), and others.
Antidiabetes Drugs
Theoretically, fo-ti might increase the risk of hypoglycemia when taken with antidiabetes drugs.
Fo-ti reportedly has hypoglycemic effects.
Contraceptive Drugs
Theoretically, taking large amounts of fo-ti might interfere with contraceptive drugs due to competition for estrogen receptors.
In vitro research suggests that fo-ti extract has estrogenic activity.
Cytochrome P450 1A2 (Cyp1A2) Substrates
Theoretically, fo-ti might increase or decrease the levels and clinical effects of drugs metabolized by CYP1A2.
In vitro research suggests that fo-ti might inhibit CYP1A2. Additionally, in vitro research suggests that the degree of CYP1A2 inhibition depends on the type of fo-ti extract (i.e., the raw plant leads to greater inhibition than extensively processed extracts). However, in an animal study, an aqueous extract of fo-ti inhibited CYP1A2 while an alcoholic extract of fo-ti induced CYP1A2. Induction or inhibition of CYP1A2 by fo-ti has not been reported in humans.
Cytochrome P450 2B6 (Cyp2B6) Substrates
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP2B6.
Animal research suggests that fo-ti might inhibit CYP2B6. One in vitro study suggests that the degree of CYP2B6 inhibition may depend on the type of fo-ti extract (i.e., the raw plant leads to greater inhibition than extensively processed extracts). However, this interaction has not been reported in humans.
Cytochrome P450 2C19 (Cyp2C19) Substrates
Theoretically, fo-ti may increase the levels and clinical effects of drugs metabolized by CYP2C19.
Animal and in vitro research suggests that fo-ti may inhibit CYP2C19. An in vitro study suggests that the degree of CYP2C19 inhibition may depend on the type of fo-ti extract (i.e., the raw plant leads to greater inhibition than extensively processed extracts). However, this interaction has not been reported in humans.
Cytochrome P450 2C8 (Cyp2C8) Substrates
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP2C8.
In vitro research suggests that fo-ti might inhibit CYP2C8. However, this interaction has not been reported in humans.
Cytochrome P450 2C9 (Cyp2C9) Substrates
Theoretically, fo-ti may increase the levels and clinical effects of drugs metabolized by CYP2C9.
Animal and in vitro research suggests that fo-ti may inhibit CYP2C9. However, this interaction has not been reported in humans.
Cytochrome P450 2D6 (Cyp2D6) Substrates
Theoretically, fo-ti may increase the levels and clinical effects of drugs metabolized by CYP2D6.
Animal research suggests that fo-ti might inhibit CYP2D6. Additionally, an in vitro study suggests that the degree of CYP2D6 inhibition may depend on the type of fo-ti extract (i.e., the raw plant leads to greater inhibition than extensively processed extracts). However, this interaction has not been reported in humans.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, fo-ti might increase the levels and clinical effects of drugs metabolized by CYP3A4.
In vitro research suggests that fo-ti might inhibit CYP3A4. One in vitro study suggests that the degree of CYP3A4 inhibition may depend on the type of fo-ti extract (i.e., the raw plant leads to greater inhibition than extensively processed extracts). However, this evidence conflicts with animal research suggesting that fo-ti does not inhibit CYP3A4. This interaction has not been reported in humans.
Digoxin (Lanoxin)
Theoretically, fo-ti, particularly raw fo-ti root, might increase the risk of hypokalemia and cardiotoxicity when taken with digoxin.
Raw fo-ti root contains anthraquinone derivatives, which might have stimulant laxative effects. In vitro research shows that fermented and processed fo-ti root have reduced laxative effects compared with raw fo-ti root.
Diuretic Drugs
Theoretically, fo-ti, particularly raw fo-ti root, might increase the risk of hypokalemia when taken with diuretic drugs.
Raw fo-ti root contains anthraquinone derivatives, which might have stimulant laxative effects and compound diuretic-induced potassium loss. In vitro research shows that fermented and processed fo-ti root have reduced laxative effects compared with raw fo-ti root.
Estrogens
Theoretically, taking large amounts of fo-ti might interfere with hormone replacement therapy through competition for estrogen receptors.
In vitro research suggests that fo-ti extract has estrogenic activity.
Hepatotoxic Drugs
Theoretically, fo-ti might increase the risk of liver damage when taken with hepatotoxic drugs.
Fo-ti has been linked to liver damage in many reports.
Stimulant Laxatives
Theoretically, fo-ti, particularly raw fo-ti root, might increase the risk of fluid and electrolyte depletion when taken with stimulant laxatives.
Raw fo-ti root contains anthraquinone derivatives, which might have stimulant laxative effects. However, in vitro research shows that fermented and processed fo-ti root have reduced laxative effects compared with raw fo-ti root.
Sulindac (Clinoril)
Theoretically, fo-ti might increase or decrease the levels and clinical effects of sulindac.
Animal research suggests that the type of fo-ti extract might affect the levels of sulindac differently; the raw plant may increase levels, but processed parts may decrease levels. Induction or inhibition of CYP1A2 by fo-ti has not been reported in humans.
Warfarin (Coumadin)
Theoretically, fo-ti might increase the effects and adverse effects of warfarin.
Fo-ti may have stimulant laxative effects and cause diarrhea, especially when the raw or unprocessed fo-ti root is used. Diarrhea can increase the effects of warfarin, increase international normalized ratio (INR), and increase the risk of bleeding. Also, fo-ti has been linked to cases of acute liver failure which can decrease clotting factor production and increase the effects of warfarin. In one case, a patient who had been stable on warfarin presented with acute hepatitis and an INR elevated to 14.98. The patient had been taking fo-ti for 90 days prior to admission. Discontinuation of warfarin and fo-ti lead to a decrease in the INR and full recovery.
Brand information
Manufacturer and brand details for Fo-Ti Extract, from the product label.
Herbadiet
See all Herbadiet products- Name
- Arkure Health Care
- Street Address
- 11, Sector - 14
- City
- Rohtak
- State
- Haryana
- ZipCode
- 124001
- Web Address
- www.herbadiet.in
Fo-Ti Extract by Herbadiet: Common Questions
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The Full Monographs Behind Fo-Ti Extract’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Fo-Ti Extract'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 28 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.
Fo-ti 28 references
- Foster S, Tyler VE. Tyler's Honest Herbal: A Sensible Guide to the Use of Herbs and Related Remedies. 3rd ed., Binghamton, NY: Haworth Herbal Press, 1993.
- McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
- Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
- Covington TR, et al. Handbook of Nonprescription Drugs. 11th ed. Washington, DC: American Pharmaceutical Association, 1996.
- Park GJ, Mann SP, Ngu MC. Acute hepatitis induced by Shou-Wu-Pian, a herbal product derived from Polygonum multiflorum. J Gastroenterol Hepatol 2001;16:115-7.
- But PP, Tomlinson B, Lee KL. Hepatitis related to the Chinese medicine Shou-wu-pian manufactured from Polygonum multiflorum. Vet Hum Toxicol 1996;38:280-2.
- Oerter Klein KO, Janfaza M, Wong JA, Chang RJ. Estrogen bioactivity in Fo-Ti and other herbs used for their estrogen-like effects as determined by a recombinant cell bioassay. J Clin Endocrinol Metab 2003;88:4077-9.. PubMed
- Unger M, Frank A. Simultaneous determination of the inhibitory potency of herbal extracts on the activity of six major cytochrome P450 enzymes using liquid chromatography/mass spectrometry and automated online extraction. Rapid Commun Mass Spectrom 2004;1 PubMed
- UK Medicines and Healthcare Products Regulatory Agency. Polygonum multiflorum and liver reactions. April 2006. Available at: www.mhra.gov.uk/home/idcplg?IdcService= SS_GET_PAGE&useSecondary=true&ssDocName= CON2023590&ssTargetNodeId= 833 (Accessed 10 May 2
- Panis B, Wong DR, Hooymans PM, De Smet PA, Rosias PP. Recurrent toxic hepatitis in a Caucasian girl related to the use of Shou-Wu-Pian, a Chinese herbal preparation. J Pediatr Gastroenterol Nutr 2005;41:256-8. PubMed
- Mazzanti G, Battinelli L, Daniele C, et al. New case of acute hepatitis following the consumption of Shou Wu Pian, a Chinese herbal product derived from Polygonum multiflorum. Ann Intern Med 2004;140:E589-90.
- Cardenas A, Restrepo JC, Sierra F, Correa G. Acute hepatitis due to shen-min: a herbal product derived from Polygonum multiflorum. J Clin Gastroenterol 2006;40:629-32. PubMed
- Zhang CZ, Wang SX, Zhang Y, et al. In vitro estrogenic activities of Chinese medicinal plants traditionally used for the management of menopausal symptoms. J Ethnopharmacol 2005;98:295-300. PubMed
- Laird AR, Ramchandani N, deGoma EM, et al. Acute hepatitis associated with the use of an herbal supplement (Polygonum multiflorum) mimicking iron-overload syndrome. J Clin Gastroenterol 2008;42:861-2. PubMed
- Jung KA, Min HJ, Yoo SS, et al. Drug-Induced Liver Injury: Twenty Five Cases of Acute Hepatitis Following Ingestion of Polygonum multiflorum Thunb. Gut Liver 2011;5(4):493-9. PubMed
- Kang, S. C., Lee, C. M., Choi, H., Lee, J. H., Oh, J. S., Kwak, J. H., and Zee, O. P. Evaluation of oriental medicinal herbs for estrogenic and antiproliferative activities. Phytother Res 2006;20(11):1017-1019. PubMed
- Yuen, M. F., Tam, S., Fung, J., Wong, D. K., Wong, B. C., and Lai, C. L. Traditional Chinese medicine causing hepatotoxicity in patients with chronic hepatitis B infection: a 1-year prospective study. Aliment.Pharmacol.Ther 10-15-2006;24(8):1179-1186. PubMed
- Zhang, L., Yang, X., Sun, Z., and Qu, Y. [Retrospective study of adverse events of Polygonum multiflorum and risk control]. Zhongguo Zhong.Yao Za Zhi. 2009;34(13):1724-1729.
- Bae, S. H., Kim, D. H., Bae, Y. S., Lee, K. J., Kim, D. W., Yoon, J. B., Hong, J. H., and Kim, S. H. [Toxic hepatitis associated with Polygoni multiflori]. Korean J.Hepatol. 2010;16(2):182-186. PubMed
- Furukawa, M., Kasajima, S., Nakamura, Y., Shouzushima, M., Nagatani, N., Takinishi, A., Taguchi, A., Fujita, M., Niimi, A., Misaka, R., and Nagahara, H. Toxic hepatitis induced by show-wu-pian, a Chinese herbal preparation. Intern.Med. 2010;49(15):1537-1 PubMed
- McGuffin, M., Hobbs, C., Upton, R., and Goldberg, A. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC;1997.
- Dong H, Slain D, Cheng J, Ma W, Liang W. Eighteen cases of liver injury following ingestion of Polygonum multiflorum. Complement Ther Med 2014;22(1):70-4. PubMed
- Lei X, Chen J, Ren J, et al. Liver damage associated with Polygonum multiflorum Thunb.: a systematic review of case reports and case series. Evid Based Complement Alternat Med 2015;2015:459749.
- Ma KF, Zhang XG, Jia HY. CYP1A2 polymorphism in Chinese patients with acute liver injury induced by Polygonum multiflorum. Genet Mol Res 2014;13(3):5637-43. PubMed
- Zhang Y, Ding T, Diao T, Deng M, Chen S. Effects of Polygonum multiflorum on the activity of cytochrome P450 isoforms in rats. Pharmazie 2015;70(1):47-54. DOI
- Yu J, Xie J, Mao XJ, et al. Comparison of laxative and antioxidant activities of raw, processed and fermented Polygoni multiflori radix. Chin J Nat Med 2012;10(1):63-7. DOI
- Shao YL, Ma CM, Wu JM, Guo FC, Zhang SC. Concurrent severe hepatotoxicity and agranulocytosis induced by Polygonum multiflorum: A case report. World J Clin Cases 2022;10(27):9921-9928.
- Xing Y, Yu Q, Zhou L, et al. Cytochrome P450-mediated herb-drug interaction (HDI) of Polygonum multiflorum Thunb. based on pharmacokinetic studies and in vitro inhibition assays. Phytomedicine 2023;112:154710. 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