Vitamin A is Awesome! "Vitamin A deficiency has been the trigger of impotence in some men," states Elson Haas, M.D., author of Staying Wholesome with Nutrition. It's an amino acid that assist dilates your blood vessels. Home treatments for impotence are easy because of homeopathy. Fiber flushes the body and also the plaque in the arteries (cause of poor circulation). But most if not all, does not even care about that.