L tryptophan is an amino acid, a protein building block that can be found in many plant and

animal proteins. L tryptophan is called an "essential" amino acid because the body can't make it. It must be acquired from food.

Function about L tryptophan:                                              

• Helps support healthy circulatory systems
• Improves cardiovascular health
• Lowers cholesterol levels
• Reduces hypertension
• Relievesdepression and symptoms of other mental health problems
• May haveeffects in cancer prevention.

Application about L tryptophan:        

                                 

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

FAQ

1. What's your payment terms?
T/T, D/P, L/C, O/A
2. What's your delivery time?
Usually we will arrange the shipment within 14 days.
3. How about the packing? 
Usually with 25 kg bag/carton/drum. 
4. How about the validity of the products? 
Usually 2 or 3 years. 
5. What documents you provide? 
Usually, Commerical Invoice, Packing List, Country of Origin, Insurance Policy, Bill of loading, COA , Health certificate. 
6. What is loading port?
Usually, Qingdao, Tianjin and Shanghai