Check before you startThis one has documented interactions with medication classes where the consequences are serious. If you take any prescription medicine, run it past a pharmacist before starting.
How long to take it
Not established.
Who it's actually for
Limited justification on current evidence.
Safe upper limit
UnverifiedNo formal limit; doses above 1 g daily commonly cause digestive upset
Mild blood-thinning effect and inhibition of drug-clearing enzymes.
No source attached yet. Treat this as a starting point, not a citation, until reviewed.
Interactions to know about
- Blood thinners / antiplatelets — Warfarin, apixaban, rivaroxaban, clopidogrel, aspirin
- Any other prescription medicine — Catches broad enzyme and absorption effects
- Hormone therapy — HRT, tamoxifen, testosterone, anti-androgens
Other supplements:
Run your full list through the interaction check.
Practical notes
- The red wine story was always a stretch — the doses in studies are far beyond any glass.
- Blood-thinning caution before surgery.