Lysine is one of eight essential amino acids - building blocks of protein - that the body cannot manufacture on its own. You must get it through diet or supplements.

Benefits of L-Lysine:

When taken with vitamin C, l-lysine appears to help symptoms of the heart condition angina pectoris.

It has also been used to treat sores caused by the herpes simplex and to treat the shingles (herpes zoster virus).  Lysine is very effective against the herpes virus and herpes zoster which causes the shingles. Studies show that when taken at the onset of shingles, this amino acid helps inhibit viral action to reduce the severity and duration of symptoms.

Take 500 milligrams twice daily.

Another common use for L-Lysine is as a treatment for canker sores.  Taken at the initial outbreak will speed up the healing process. 

While L-Lysine is NOT a DHT blocker. It may make dht blockers more effective. Researchers have found that adding a supplementation of L-Lysine can make drugs like propecia more effective. Since propecia is a DHT inhibitor, as all the natural products mentioned in this page. The addition of a L-Lysine supplement can make these products also more effective. Studies has shown that L-Lysine combined with a DHT inhibitor can promote hair growth in people suffering from androgenetic alopecia.

L-lysine is a safe, nontoxic, natural substance when used within recommended amounts. People with osteoporosis should take l-lysine supplements with calcium for best results in treating this condition.

Finally, L-Lysine is one of 20 most common natural amino acids that the body needs for growth and tissue repair.