Amino Acid l Tryptophan L-Tryptophan powder

Short Description:

Product Name: L-Tryptophan powder
CAS Number:546-46-3
Specifications:  >99%
Appearance: White Powder
Shelf Life:2 Year

Product Detail

Product Tags


1. Insufficient L-tryptophan supplementation L-tryptophan is one of the essential amino acids for the human body. The human body cannot synthesize it by itself and needs to be ingested from the outside world.  L-Tryptophan deficiency may lead to various health problems such as muscle fatigue, depression, insomnia, etc.  L-tryptophan products can effectively supplement the L-tryptophan that the human body lacks, prevent these health problems from appearing, and promote good health.

2. Improve sleep quality L-tryptophan can regulate the body's sleep quality by improving the level of serotonin in the brain.  L-tryptophan can be converted into serotonin, which in turn is converted into melatonin, which helps the body regulate sleep. Therefore, L-tryptophan products can help relieve insomnia problems and improve sleep quality.

3. Relieves depression The effect of L-tryptophan on the body's endocrine system can promote the synthesis of neurotransmitters such as dopamine and adrenal hormones in the brain, thereby alleviating depression and low mood.  L-tryptophan products can help reduce symptoms of depression and make a person more positive.

4. Improve immunity L-tryptophan is an important component of protein synthesis and an important antioxidant substance in the body.  The supplement of L-tryptophan can enhance human immunity, promote anti-oxidation, and prevent many diseases.  L-Tryptophan products can also promote wound healing and tissue regeneration.

5. Improve liver function The liver is the largest metabolic organ in the human body and needs to consume a large amount of amino acids.  L-tryptophan can improve the function and metabolic rate of the liver, promote the repair and regeneration of liver cells, thereby increasing the overall body metabolic rate and regulating blood sugar levels.

To sum up, L-tryptophan products have multiple functions and advantages, and are especially suitable for people who suffer from protein deficiency, depression, poor sleep, and low immunity. However, when using L-tryptophan products, be sure to consult a doctor or professional to determine the appropriate dosage and method of use.


Tryptophan is widely used in medical treatment, health care, food, cosmetics and other fields, as follows:

1. Medical application: L-tryptophan can be used as a drug ingredient to treat insomnia, depression, anxiety, hypothyroidism, iatrogenic diseases and other diseases.

2. Application of health care products: L-tryptophan can be used as an ingredient of health care products to improve sleep quality, relieve mood, enhance immunity, promote liver function, and beautify the skin.

3. Food application: L-tryptophan can be used as a food additive to increase the nutritional content and taste of food, such as bread, cakes, dairy products, etc.

4. Cosmetic application: L-tryptophan can be used as an ingredient in cosmetics for whitening, freckle removal, moisturizing, anti-aging, etc. It also has moisturizing and anti-inflammatory effects.

Amino Acid l Tryptophan  L-Tryptophan powder

Product Specification

Product Name: L-Tryptophan Manufacture Date: 2022-10-18
Batch No.: Ebos-2101018 Test Date: 2022-10-18
Quantity: 25kg/Drum Expiration Date: 2025-10-17
Grade Food grade
Assay 98.5%~101.5% 99.4%
Appearance White crystalline or crystalline powder Conforms
Specific rotation -29.4°~-32.8° -30.8°
Chloride(CL) ≤0.05% <0.05
Sulfate(SO4) ≤0.03% <0.03%
Iron(Fe) ≤0.003% <0.003%
Loss on drying ≤0.30% 0.14%
Residue on ignition ≤0.10% 0.05%
Heavy metals(Pb) ≤0.0015% <0.0015%
Ph value 5.5-7.0 5.9
Conclusion Conform to the specification of the requirement.
Storage Store in a cool and dry place, keep away from direct strong and heat.
Shelf Life Two years if sealed and store away from direct sun light.
Tester 01 Checker 06 Authorizer 05

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