Urolithin A

Middle-aged and older men lasted longer before the muscle gave out, and nobody's checked past four months.

Also called UA, Uro-A, Mitopure, 3,8-dihydroxyurolithin, 3,8-dihydroxy-6H-dibenzo[b,d]pyran-6-one

Who it's forAny man past 40 who's noticed the stairs take more out of him than they used to.

The item

Three squares: proven in human trials. Two: a strong signal. One: early human data. Striped: the trials disagree.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.