Find the available answers about warfarin and supplements. Each guide explains its evidence and the forms it covers.
17 published guides. Coverage is limited to the combinations listed.
Oral coenzyme Q10 supplements with oral warfarin. The controlled trial evaluated 100 mg daily; it does not establish equivalence among ubiquinone, ubiquinol or different formulations.
Read the interaction guide →Oral Angelica sinensis preparations with oral warfarin. Other Angelica species, mixed formulas and standardized extracts with different constituents are not assumed to have identical effects.
Read the interaction guide →Oral vitamin E supplementation with oral warfarin. Vitamin E forms and doses differ; a serum vitamin E association is not equivalent to a trial of a particular supplement.
Read the interaction guide →Oral Allium sativum supplements with oral warfarin. Evidence for an aged extract or a tested garlic preparation is not automatically transferable to oils, raw garlic, concentrated extracts or ordinary food portions.
Read the interaction guide →Oral bromelain supplements with oral warfarin. Bromelain is a protease mixture; pineapple foods, injectable experimental doses and topical burn treatments are different exposures.
Read the interaction guide →Oral Hypericum perforatum preparations with oral warfarin. Findings concern systemic repeated exposure; constituent content varies among products and topical use was not studied.
Read the interaction guide →Oral Panax ginseng with oral warfarin. Panax quinquefolius, other Panax species, red versus unprocessed preparations and combination formulas are distinct and are not automatically interchangeable.
Read the interaction guide →Oral Salvia miltiorrhiza root/rhizome preparations with oral warfarin. Compound Danshen dripping pills include additional ingredients and provide indirect, formulation-limited evidence.
Read the interaction guide →Oral Zingiber officinale root powder with oral warfarin. Extracts described by root-equivalent amounts, teas, food portions and essential oils are separate preparations, and direct root-powder evidence is limited.
Read the interaction guide →Oral glucosamine sulfate with oral warfarin, informed by broader glucosamine safety reports. The formulation bridge is precautionary and does not merge sulfate, hydrochloride and chondroitin into one identity.
Read the interaction guide →Oral Hydrastis canadensis preparations with oral warfarin. Isolated berberine or hydrastine, other plants containing these alkaloids and different extract compositions remain distinct exposures.
Read the interaction guide →Oral Vaccinium macrocarpon beverages or supplements with oral warfarin, with quantity and preparation identified. Other Vaccinium species and mixed products are not included automatically.
Read the interaction guide →Oral Ginkgo biloba supplements with oral warfarin. Tested extracts, leaf products and mixed supplements are not assumed to be interchangeable.
Read the interaction guide →Oral Tanacetum parthenium with oral warfarin. American feverfew, Parthenium integrifolium, is a different plant; topical use and isolated parthenolide are separate exposures.
Read the interaction guide →Camellia sinensis beverages or supplements with oral warfarin, with preparation and quantity specified. The imported statement combines tea with vitamin K1 and does not isolate a single exact-pair effect.
Read the interaction guide →Oral multivitamins with oral warfarin, specifically vitamin K1-containing formulations in the direct study. Prenatal products and multivitamins without vitamin K are not assumed to have the same interaction.
Read the interaction guide →Vitamin K1 (phylloquinone/phytonadione) with oral warfarin. Routine food intake, low-dose supplements and clinician-directed reversal are different use cases. Findings are not automatically transferred to vitamin K2 forms.
Read the interaction guide →A supplement missing from this list has not been cleared for use with the medication. These pages do not assess every product, formulation, or combination.
Publication status, clinical review and change history are shown in each interaction guide.