Can I Take These?

Can You Take Vitamin C and Warfarin Together?

No documented interaction was identified between vitamin C and warfarin in the sources reviewed.

No documented interaction identifiedEvidence: Moderate

See the full Vitamin C page and Warfarin page for other reviewed interactions and reference information.

What the interaction means

Vitamin C's NIH fact sheet states its only documented medication-interaction concerns are with radiation therapy, chemotherapeutic agents, and statins; it does not mention warfarin. Warfarin's own FDA prescribing information was checked directly for "vitamin C" and "ascorbic acid"; neither term appears anywhere in the label.

No documented interaction was identified in the authoritative sources reviewed. This is not a guarantee that no interaction exists for every dose, formulation, or individual -- it means the sources checked did not document one.

Practical context

Both substances' own current authoritative sources were checked directly, full text, in both directions.

What the sources say

Warfarin Sodium Tablets — FDA Prescribing Information — Amneal Pharmaceuticals LLC (via DailyMed, U.S. National Library of Medicine)Vitamin C — Health Professional Fact Sheet — NIH Office of Dietary Supplements

Last reviewed 2026-08-24

Medical information disclaimer: this information is general and educational. It does not diagnose conditions, prescribe treatment, or determine whether a combination is safe for you personally. Follow your prescription label and ask a pharmacist or clinician before starting, stopping, or combining products. Full disclaimer.

Related interactions