L-Carnitine is a non-essential amino acid that is often used for its weight loss properties — but the benefits do not end there. Penis sensitivity, skin health, libido and sexual satisfaction are all improved by this penis-specific nutrient. L-Carnitine is an amino acid involved with a huge array of processes in the human body, and may offer a natural alternative to drugs and risky surgical processes to restore penis health.
http://www.penishealth101.com/769/this-amino-acid-is-magic-bullet-for-penis-health/