L-Tryptophan Quick Details

Name: L-Tryptophan

Appearance: White Powder

Specification: 99%

Shelf Life: 2 Years

MOQ: 1 kg

Sample: Free Sample

OEM: Customized order packaging and labels; OEM capsules and pills



L-Tryptophan is one of essential amino acids and the fourth limiting amino acid in animal diets, which means it could not be synthesized by the body, in addition, dietary supply through feed materials is usually insufficient.


Food grade
1. Antioxidant;
2. Nutritional supplements. Tryptophan is one of the essential amino acids of the human body;
3. Used to improve niacin deficiency.

Feed grade
1: Meet the business needs of animal growth, improve animal production performance;
2: Increase the level of digestible L-tryptophan in the feed;
3: As a nutritional feed additive, non-toxic side residues, and can be used safely in various feeds.

Logo Design: Yes,We can supply the OEM bag shipping to Amazon directly.  Bulk, bottles, blister packs or customers’ requirement 1 kg/bags

Customized Formulas: Yes ,We supply Custom formulation bag/capsule with private label.

Brand Name: Your brand or ours if you prefer

Packaging Options: Bulk, bottles, blister packs or customers’ requirement 1 kg/bags 

Shipment ways: DHL, FedEx, UPS, EMS, TNT, by Sea, by air

Delivery Time: Delivery within two to seven days

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Shaanxi Rainwood Biotech