Resveratrol

A result versus placebo and a change from a person's own baseline are different comparisons. Small, short studies also leave durability and safety questions open.

A change in a laboratory marker, a test score and everyday function are different outcomes. A statistically detectable result does not by itself tell us whether someone would notice a worthwhile difference.

Check the measured endpoint, comparison and study population. The full profile preserves effect estimates and the source's clinical-significance assessment, including when that assessment is not supplied.

The claim to test: A favorable metabolic result establishes a broad longevity benefit.

What the reviewed records say:

The gap: A narrow metabolic comparison cannot establish long-term healthspan or lifespan effects.

Durability, effects in other populations and healthy-lifespan outcomes need their own evidence.

Independent replication, meaningful human outcomes, longer follow-up and better safety reporting would make these results easier to interpret.

A narrow metabolic comparison cannot establish long-term healthspan or lifespan effects.