Since L-Arginine has been shown to scavenge free radicals from the body, it can help reverse the effects of aging. It is generally used in combination with antioxidant supplements such as Omega-3 fish oils and Vitamin C. In addition, it can promote improved functioning of the nervous system and possibly prevent senile dementia by increasing Nitrous Oxide levels in the brain, since the molecule also acts as a neurotransmitter.
The amino acid may also be able to help the body remove ammonia from the bloodstream. Ammonia is produced as a byproduct when the body breaks down proteins, and when it builds up, it can cause tissue necrosis that leads to inflammation and cellular destruction. L-Arginine can help detoxify the body and may even be used to help treat metabolic problems related to the process of excreting ammonia.