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Address: Rm 218, Tangxing Digital Bld, #6 Tangxing Rd, Xi’an, Shaanxi, China
Phone: +86 17791258855
Landline: +86 (0)29 81870046


Other Name

L Phenylalanine




white crystal powder


Customized various dosage forms and packaging


HACCP, ISO22000, ISO9001, EU Organic, US Organic, HALAL, KOSHER




Product Description

L Phenylalanine is an α-amino acid, which can be regarded as a benzyl group that replaces the methyl group of alanine, or a phenyl group that replaces the terminal hydrogen of alanine. Phenylalanine is naturally present in the breast milk of mammals. It is used in the manufacture of food and beverage products. Phenylalanine is an essential amino acid for the human body. It has the same role as BCAA and other amino acids. It usually affects the body’s metabolic activities and thus provides energy for the body.

Product Specifications

L Phenylalanine 99%

Certificate of Analysis


L-Phenylalanine is an amino acid that is one of the essential amino acids that the human body cannot synthesize on its own. It has multiple important functions and benefits in the human body, including:
Protein synthesis: L-phenylalanine is one of the essential components in protein synthesis. It is involved in the process of synthesizing muscle tissue and other proteins in the body.
Neurotransmitter synthesis: L-phenylalanine is a precursor substance for synthesizing various neurotransmitters, including dopamine, norepinephrine, and adrenaline. These neurotransmitters are crucial for maintaining the normal function and psychological state of the nervous system.
Antidepressant effect: L-phenylalanine can have an antidepressant effect by increasing the levels of dopamine and norepinephrine in the brain. It is believed to improve emotions, increase attention, and enhance cognitive function.
Analgesic effect: L-phenylalanine can exert analgesic effects by increasing the synthesis of endorphins in the brain. Endorphins are a natural analgesic substance that can alleviate pain.
Appetite control: L-phenylalanine can control appetite by regulating the activity of the appetite center in the brain. It is believed to reduce craving and appetite for food.

Application Cases

Why RainWoodBiotech?

RainWood Biotech is engaged in researching, producing, and exporting concerning the field of health and fitness, cosmetics, pharmaceuticals, food, and beverages additives, and also feeding staff who have obtained EU and US organic certification, KOSHER, HALAL, ISO9001, HACCP, and ISO22000.
RainWood Biotech was established in 2006, located in Shaanxi Xi’an Hi-tech Development Zone, covering 19 acres of land with a factory construction area of around 10000 square meters.

RainWood Biotech believes that natural specialty ingredients and innovative technology are the best basis for us to serve our clients’ needs. We are capable and proud to provide the greatest product solutions to increase more value of the products themselves.

Frequently Asked Questions

Rainwood provides herbal extract, cosmetic ingredient and food additive product.

Our company has its own competitive R&D team, and currently owns more than 100 employees. Among them, there are 3 Dr. doctors majored in this field. Besides, Postgraduate employee accounts 10%, undergraduate employee accounts 15%, and professional technical personnel accounts 5%. Its professional talented personnel are completely equipped in laboratory for the quality control.
Various Detection Devices are well equipped, such as HPLC, GC, UV, TLC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.
The entire production process from the source of raw material, production, inspection, warehousing, customer service and other sectors are in strict accordance with the ISO9001:2015 system.
We will provide you with satisfactory products according to your requirements.

Please contact our sales person and they will guide you with an easy and professional way for your order.

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