Also read other interesting information here Low libido in women is extremely common. Alpha lipoic acid slows the aging process in penis cells, which reduces premature aging of the penis skin, keeping it healthy and reducing an overly wrinkled appearance that commonly comes with age. Vitamin C: Vitamin C contributes to collagen production and increases firmness of the penile tissue, making it an important ingredient to have in a penis vitamin cream. If you are having an erection problem, you might want to consider some of these impotence vitamins and supplements. Vitamin C is extremely important in the sense that…