These are the recommended daily levels of zinc for adults: 11 mg for males ... best years for beard growth. Estimates suggest that healthy hair grows about .35 millimeters per day or about 1/2 ...
Not this: This is my beard, if you even want to call it a beard. This footage was taken after I let it grow for two weeks. Two weeks! It's thin, patchy, and in some spots there's no hair at all.