L-Tryptophan is a white crystalline powder, odorless, slightly bitter, slightly soluble in water, insoluble in ethanol, soluble in dilute acid or dilute base.

Applied to Food, Feed and Medicine Industry
It can be used as a nutritional supplement for pregnant women and special milk powder for infants.  
For niacin deficiency (pellagra)
As a sedative, it can adjust mental rhythm and improve sleep.  
It is one of the raw materials of compound amino acid infusion.

Our products are approved by cGMP, CEP/COS, FDA, TGA, EUGMP, FAMI-QS and also Halal, Kosher etc.

Our products are widely sold to regions of Asia, Africa, Europe, Latin America, and long-term stable cooperative relations have been established with merchants from hundreds of countries and regions with our cooperation agencies in Turkey, South Africa, Indonesia, Russia, Brazil, Canada and the United States working stably. We are looking forward to making progress together with you!

1:Can I get some samples before bulk order?
Most products provide free samples, but the shipping cost be paid by customers.

2: What's your MOQ?
For the high value product, our MOQ starts from 10g,100g and 1kg.

3: Which kind of payment terms do you accept?
PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union, L/C.

4.How to place an order?
You can contact me through Trademanager, WhatsApp, Skype Online and other contact methods, tell me the product and quantity you need, and then we will give you a quote. If you choose one of the above payment methods, we will arrange the delivery for you.

5:How about your delivery time?
A: Generally, it will take 5 to 7 days after receiving your advance payment.

6:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.