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N-acetyl Carnosine

N-Acetyl-L-carnosine, or N-Acetylcarnosine (abbreviated NAC) is a dipeptide. It is similar to carnosine but more resistant to carnosinase degradation thanks to the addition of an acetyl group.N-Acetylcarnosine is a natural dipeptide containing histidine, which is the main source of L-carnosine in pharmacology. N-acetyl Carnosine/N-Acetylcarnosine is an effective ophthalmic drug with the potential to be used for human cataract.N-Acetylcarnosine is composed of the root word carn, meaning flesh, alluding to its prevalence in animal protein.A vegetarian (especially vegan) diet is deficient in adequate carnosine, compared to levels found in a standard diet.
  • Product Name: N-acetyl Carnosine
  • Product Code: YNR-NAC
  • INCI Name: N-Acetyl L-Carnosine
  • CAS No.: 56353-15-2
  • Synonyms: N-Acetyl-L-carnosine;Acetylcarnosine;N-Acetylcarnosine
  • Molecular Weight: 268.27

N-Acetyl-L-carnosine, or N-Acetylcarnosine (abbreviated NAC) is a dipeptide. It is similar to carnosine but more resistant to carnosinase degradation thanks to the addition of an acetyl group.

Carnosine (L-Carnosine), the scientific name β-alanyl-L-histidine, is a dipeptide composed of β-alanine and L-histidine, a crystalline solid. Carnosine is not only a nutrient, but also can promote cell metabolism and delay aging. Carnosine can trap free radicals and prevent glycosylation reactions. It has anti-oxidation and anti-glycation effects. It can be used with whitening ingredients to enhance its whitening effect.

N-Acetyl carnosine

N-Acetyl-L-carnosine/N-acetyl L-carnosine shares an identical structure to l-carnosine with the addition of an acetyl group. It is more difficult for carnosinase enzymes to break down this acylated form of l-carnosine. L-carnosine is a naturally occurring dipeptide molecule synthesized from the amino acids histidine and alanine via carnosine synthetase enzymes. It is an antioxidant with antiglycation properties that improve longevity.

Muscles can store carnosine in high quantities as the body does not use it to synthesize proteins. The highest concentrations exist in parts of the body that demand a significant amount of energy, such as skeletal muscle, heart muscle, nerve tissue, and the brain.

Carnosine gets its name from the word carn, meaning meat or flesh. As the name implies, carnosine exists exclusively in meat. The body can synthesize l-carnosine in the liver, but vegetarians and vegans often have lower carnosine levels than people who eat meat. Individuals take N-acetyl l-carnosine and l-carnosine for their ability to scavenge reactive oxygen species (free radicals) and protect cellular structural components against oxidative stress.

Key Technical Parameters

Appearance Whiter powder
Purity 99.0%
Melting point 253 - 260ºC
Boiling point 775.9ºC at 760 mmHg
Flash point 423ºC
Density 1.343 g/cm3


1.N-Acetyl carnosine can Increases muscle strength and endurance.
2. N-Acetyl carnosine canProtects against radiation damage.
3.N-Acetyl carnosine can Improves the function of the heart.
4.N-Acetyl carnosine can Speeds wound healing.
5.N-Acetyl carnosine has Super antioxidant that quenches even the most destructive free radicals.
6.N-Acetyl carnosine can Boost immunity and reduces inflammation.
7.N-Acetyl carnosine can help chelate certain heavy metals from the body (chelate means to pull out).
8.N-Acetyl carnosine may help children with autism.
9.N-Acetyl carnosine may produce anti-cancer effects on the body.
10.N-Acetyl carnosine can Protect the aging process of the brain by retarding lipid peroxidation and stabilizing cell membranes



1.New food additives;
2.N-Acetyl carnosine is a β-alanine and histidine dipeptide composition, can be synthesized in animals;
3.N-Acetyl carnosine in meat processing to inhibit fat oxidation and protect the role of flesh;
4.N-Acetyl carnosine can prevent skin aging and skin whitening effect;
5.N-Acetyl carnosine as raw material to the antioxidant agents to treat senile cataract;
6.N-Acetyl carnosine can promote wound healing


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