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