N-Acetyl-L-Methionine: An acetylated derivative of L-methionine, an amino acid substance, retaining the basic properties of methionine, suitable for specific application scenarios.

L-Arginine: A naturally occurring basic amino acid, with basic physical and chemical properties of amino acids, a common amino acid raw material, with a wide range of application scenarios.

N-Acetyl-L-Cysteine: An acetylated derivative of L-cysteine, a water-soluble amino acid substance, retaining the basic properties of cysteine, suitable for related product formulas.

L-Proline: A naturally occurring neutral amino acid, with basic physical and chemical properties of amino acids, a common amino acid raw material, suitable for various application scenarios.

L-Theanine is a white crystalline powder, freely soluble in water, with a slightly sweet taste.