After intitally working In 3 months, I continued on B-5 for 3 more months, the acne came back, and the hair thinned, I dunno if its Male pattern baldness kicking in or the 10 Grams of b-5 for 6 months but there is a thinning of the hair after 3 months on it.
BTW I took no B-50 complex for teh first 3 months, and no EFA supplements, which megadosing on B-5 Depletes.