N-Acetyl-L-Cysteine, commonly known as NAC, is renowned for its powerful antioxidant properties. By neutralizing harmful free radicals in the body, it helps protect against oxidative stress and supports overall cellular health. Additionally, NAC plays a crucial role in the production of glutathione, a vital antioxidant that aids in detoxification and immune system function. N-Acetyl-L-Cysteine USP kosher is used mainly in the pharmaceutical, food and Cosmetics industries. Itâ??s used as an anti-aging agent in cosmetics, itâ??s also used as raw pharmaceutical ingredient in the production of pharmaceuticals and medicines. Itâ??s is also used as a nutritional supplement in animal Feed. This product has been tested and meets the standards set by the United States Pharmacopeia (USP) for purity and quality. Kosher Certificate Is Available Upon Request Specifications (USP41) Appearance: White crystals or crystalline powder Identification: Infrared Absorption Assay: 98.0 to 102.0% (Calculated on the dried basis) Specific rotation alphaD25 +21.0 to +27.0 pH: 2.0 to 2.8 Loss on Drying: 1.0 % Max Residue on ignition: 0.5% Max Heavy metals (Pb): lO ppm Max Lead: 3 ppm Max Arsenic (AS203): 1 ppm Max Cadmium: 1 ppm Max Mercury(Hg): 0.1 ppm Max Residual Solvents: Meets the requirements Particle Size: 20 Mesh Density: Bulk density report only, Tap density report only Total plate count: < 1000 cfu/g Yeast & molds: < 100 cfu!g Coliforms: < 10 cfu/g E Coli: Negative Salmonella: Negative Pseudomonas: Negative S.Aureus: Negative Packing 55.115 lb cardboard drum.