Melanotan II is a lab-made chemical similar to a hormone in the human body. Melanotan II has been shown to have melanogenic (tanning) and aphrodisiac effects in humans.

Function
1. It's a kind of nutritional supplement. 
2. It can improve the aerobic metabolism of the muscle and greatly enhance muscle strength and endurance from diet alone.
3. It can be used as nutrition enhancer.
4. It's one of the most popular and effective nutritional supplements as well as the indispensable product for bodybuilders.
5. It is also widely used by other athletes, such as football players, basketball players and so on.

Application
Melanotan II is designed to stimulate the body's tanning response with minimal exposure to sunlight. This can be a wonderful way for those with fair to very fair skin to get tanned without having to spend weeks in the sun and going through the burn and heal process.
By using MT2, users experience quicker tanning and and faster healing to damaged skin cells than would otherwise be possible. Because of this, it is especially suited to those who's skin is pale; those who are at greatest risk of developing skin cancer.