If you are someone researching natural supplements that can be taken to improve overal sexual health, L-Arginine is one of the most effective amino acids you can give your body. L-Arginine Supplementation can help with alleviation of Erectile Dysfunction. This helpful amino acid is one of the main ingredients in nearly every male sexual enhancement product on the market. If you can not afford any flashy products, try buying an L-Arginine supplement without all the gimicks…it may suit your needs.
Here is an article with at length and in detailed information pertaining to using this valuable amino acid for getting “harder” and lasting longer in bed:
Nutritional Supplements: Amino Acids and Their Derivatives, By Cecil K. Joseph