5-HTP or 5-hydroxytryptophan is an intermediate metabolite used to produce serotonin. Serotonin is a very important substance which helps promote normal brain and nerve function. Serotonin is the main neurotransmitter that supports mood, sleep functions and appetite.
 
5-HTP is sold over the counter in the United Kingdom, the United States and Canada as a dietary supplement for use as an antidepressant, appetite suppressant, and sleep aid, and is also marketed in many European countries for the indication of majordepression under trade names like Cincofarm, Levothym, Levotonine, Oxyfan, Telesol, Tript-OH, and Triptum. Several double-blind placebo-controlled clinical trials have demonstrated the effectiveness of 5-HTP in the treatment of depression, though a lack of high quality studies has been noted.

Function                                   

1. 5-HTP can ease the tension, anxiety and improve sleep;
2. 5-HTP has the function of improving microcirculation;
3. 5-HTP is shown benefit to the reduce depression,anxiety;
4. 5-HTP can effectively control appétit, achieve the effect of losing weight;
5. 5-HTP has the function of antidepressant and sedative, having an effect on the nervous system.

1. As raw materials of drugs for anti-bacterial, anti-depressants, anti-tumor and sedation, it is widely used in fields of pharmaceutical and health products;
2. As insomnia, other similar symptoms of psychasthenia and lose weight product raw material, it is widely used in health products industry;
3. As dietary supplements increased therapeutic function, it is widely used in fields of dietary supplement products;
4. As products of sedative and anti-bacterial, they are widely used to add to beauty products in cosmetic industry.

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