Flavonoids like resveratrol generally stimulate the estrogen receptor, which may not be beneficial for men or women.

“people talk about flavonoids but we didn't even touch on this that most flavonoids actually have estrogenic activity so there's whole papers devoted to the fact that all this whole chemical come is chemical family of flavonoids generally stimulate the estrogen receptor which is probably not a good thing for men or women resveratrol stimulates the estrogen receptor not a good thing we're never told about that”