vitamin c and hair loss Feb 24, 2010 0:19:45 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Mod on Feb 24, 2010 0:19:45 GMT -5 Vitamin C aids in improving scalp circulation. It is important to maintain capillaries that carry blood to the follicles.Dosage: 3,000-10,000 mg daily.