Min. Order: 1kg 
chemical productspharmaceutical raw materials and  intermMelatonin 
Specifications: USP26  main efficacy: 1. Longevity: the elderly to reduce the level of melatonin secretion, and oxidative damage of free radicals is even more sensitive. Especially the elderly brain is widespread, and become the greatest impact on the quality of life factors. And the brain to free radical attack particularly sensitive, such as per unit basis, cerebral oxygen metabolism in the course of the toxicity of free radicals than any other organ need to make more. and the brain by means of defense and the realization of enzymatic metabolism of .2. Effective in improving sleep: Melatonin is a pineal gland in the human brain releases substances. Melatonin is a recognized alternative to the current "stability" no side effects, not the health food addiction. 3. Freckle melatonin, natural whitening: Melatonin can white skin. In a timely manner to add an adult, the human body can adjust endocrine, eliminate spots, age spots, chloasma, pregnancy and the sun spot pigmentation caused by radiation, skin whitening, moisturizing and restore youthful style.