Is Collagen Safe with Rivaroxaban?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Use collagen supplements cautiously and at the lowest effective dose. Avoid supplements containing additional herbal ingredients that may compound bleeding risk. Discuss ongoing use with your prescribing physician.
Why this interaction occurs
Collagen's role as a physiological platelet activator through collagen receptors may interact with rivaroxaban's factor Xa inhibition, creating an unpredictable net effect on coagulation. The clinical significance depends on collagen dose and formulation type.
Evidence
Evidence level: limited.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 28,402 reports mentioning Rivaroxaban. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Rivaroxaban + supplement combination on this page.
FAERS reports are voluntary and cannot prove that a drug caused an event. Do not use report counts to assess the safety of this specific drug-supplement pair.
Frequently asked questions
Related interactions
All Collagen interactions → · All Rivaroxaban interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.