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4Optional

Resveratrol

Early promise has not translated cleanly to human trials.

TrustedSupp Tier System™ · Tier 4Take by choice, or not at all
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.

Evidence strength

22/100Weak
WEAKLIMITEDMODERATESTRONGVERY STRONG

What the evidence supports: essentially nothing in humans; animal findings have not translated.

This scores how well-supported the claim above is — not how much benefit you personally would get. A high score on a narrow claim does not extend to everything the product is marketed for.

How long to take it

Not established.

Who it's actually for

Limited justification on current evidence.

Safe upper limit

Unverified
No formal limit; doses above 1 g daily commonly cause digestive upset
Mild blood-thinning effect and inhibition of drug-clearing enzymes.
No source or citation attached yet.

Interactions to know about

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.