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"Premium Ingredient Co., Ltd specialize in producing, sales, marketing and distribution of innovative amino acids, vitamins, nutrition, food additives for more than 10 years.



With more than 10 years working experience, Premium Ingredient Co., Ltd offers highest quality products, up-to-the minute market information and trend, one-stop-shop solutions to the customers in the fields of food, beverage, diet supplements, pharmaceutical and feed cover in 120 countries and regions.



Based on the stable and continues producing, solid relationship with the factories, we can secure the higher quality, competitive prices, sustained service after sale, prompt reply and delivery in time and only delivery the products on a consistent basis from approved sources




We look forward to the opportunity to discuss with you what service Premium Ingredient co., ltd can do for you. We have confidence that our products will bring you success .

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L Histidine hydrochloride is salt form of L-Histidine.L-Histidine is an essential amino acid. L-histidine Hcl is commonly used in health supplements to aid with inflammation management. It is also used to support the digestive system and provide antioxidant activity.

Premium Ingredient L-Histidine Hcl

N-Acetyl L-Tyrosine (NALT) is a “brain supplement,” and derivative of L-Tyrosine. Like L-Tyrosine, NALT is an amino acid, one of the building blocks of protein. NALT is more soluble and heat stable. NALT may be more bioavailable than L-Tyrosine, and absorbed more easily by the body as well.

Premium Ingredient N-Acetyl-L-Tyrosine

N-Acetyl-L-Cysteine is short for NAC, is a modified form of a dietary amino acid known as L-cysteine. NAC acts as a precursor or in laymans terms, a raw material for the manufacture of the all-important endogenous antioxidant glutathione.

Premium Ingredient N-Acetyl L-Cysteine

L-Glutamic acid is a non-essential amino acid. Plenty of L-glutamic acid can be found in meat, eggs, dairy products, chicken and fish. In addition, some plant foods also contain glutamic acid. L-glutamic acid stimulates the brain’s glutamate receptors, it’s GABA precursor, flavor enhancer, improve athletic performance, reduce pain after exercise, promote brain development and the digestive system, As the manufacturer and supplier of l-glutamic acids, our assay is 99% up.

Premium Ingredient L-Glutamic Acid

L-Arginine is a nonessential amino acid that may play an important role in the treatment of heart disease and to increase blood flow through the coronary artery. As a health supplement claiming to improve vascular health and treat erectile dysfunction in men. L-arginine, which is promoted as a human growth stimulant, has also been used in bodybuilding.

Premium Ingredient L-Arginine

Glutamine is an important amino acid. L-glutamine is the form found in foods, supplements and the human body. It is part of the proteins in your body and involved in immune function and intestinal health.

Premium Ingredient L-Glutamine

L-Methionine is an amino acid. It is found in meat, fish, and dairy products. Amino acids are the building blocks that our bodies use to make proteins. Methionine plays an important role in the many functions within the body. Methionine can treat liver disorders and viral infections along with many other uses.

Premium Ingredient L-Methionine

L-Pyroglutamic acid is an amino acid that can be biosynthesized in the body and can also be found in food, such as fruits and vegetables. Pyroglutamic acid has two specific forms, D-pyroglutamic acid and L-pyroglutamic acid. L-pyroglutamic acid can increase the activity of the neurotransmitter acetylcholine, it’s also widely used in producing gamma-aminobutyric acid (GABA), boosting brain functions such as anxiety reduction, memory recall, learning and mental focus. Pyroglutamic acid is an intermediate in glutathione metabolismIt. As the supplier and manufacturer of l-pyroglutamic acid, our assay is 99% up.

Premium Ingredient L-Pyroglutamic acid

D-aspartic acid is an amino acid found in two forms. D-aspartic acid can increase the release of a hormone in the brain that will ultimately result in testosterone production. It also plays a role in increasing testosterone production and release in the testicles

Premium Ingredient D-aspartic acid

Premium Ingredient

"Premium Ingredient Co., Ltd specialize in producing, sales, marketing and distribution of innovative amino acids, vitamins, nutrition, food additives for more than 10 years.



With more than 10 year

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Premium Ingredient L-Pyroglutamic acid is an amino acid that can be biosynthesized in the body and can also be found in food, such as fruits and vegetables. Pyroglutamic acid has two specific forms, D-pyroglutamic acid and L-pyroglutamic acid. L-pyroglutamic acid can increase the activity of the neurotransmitter acetylcholine, it’s also widely used in producing gamma-aminobutyric acid (GABA), boosting brain functions such as anxiety reduction, memory recall, learning and mental focus. Pyroglutamic acid is an intermediate in glutathione metabolismIt. As the supplier and manufacturer of l-pyroglutamic acid, our assay is 99% up.

L-Pyroglutamic acid Technical Data Sheet

L-Pyroglutamic acid Technical Data Sheet - Premium Ingredient

L-Pyroglutamic acid is an amino acid that can be biosynthesized in the body and can also be found in food, such as fruits and vegetables. Pyroglutamic acid has two specific forms, D-pyroglutamic acid 

Premium Ingredient L-Pyroglutamic acid - L-glutamic Acid - Knowde

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	Value	Units	Test Method / Conditions
Specific Rotation	-11.0 - -12.0	°	-
Melting point	158-161	ºC	-
Chloride	max. 0.02	%	-
Ammonium	max. 0.02	%	-
Sulfate	max. 0.02	%	-
Lead Content	max. 10	ppm	-
Iron Content	max. 10	ppm	-
Arsenic	max. 1	ppm	-
loss on Drying	max. 0.50	%	-
Residue on Ignition	max. 0.1	%	-
Assay	98.5-101.0	%	-
Molecular Weight	129.0	-	-

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