Based on JointSource enterprise standards. Actual COA provided per batch upon request.
| Test Item | Result / Specification |
|---|---|
| Identification & Appearance | |
| Appearance | White powder, slightly sweet |
| Identification A (IR) | Conforms to reference spectrum |
| Identification B (HPLC) | Retention time consistent with reference standard |
| Chemical Assay | |
| Assay (HPLC, dried basis) | 98.0% – 102.0% |
| Specific Rotation | +39.0° to +43.0° |
| Physical & Chemical Properties | |
| pH (1% solution) | 6.0 – 8.0 |
| Loss on Drying | ≤ 0.5% |
| Melting Point | 196°C – 205°C |
| Chloride Content | ≤ 0.1% |
| Heavy Metals | |
| Lead (as Pb) | ≤ 10 ppm |
| Arsenic (as As) | ≤ 1 ppm |
| Heavy Metals (as Pb, total) | ≤ 10 ppm |
| Microbiological | |
| Total Aerobic Count | ≤ 1,000 CFU/g |
| Yeasts & Molds | ≤ 100 CFU/g |
| E. coli | Negative |
| Staphylococcus aureus | Negative |
| Salmonella | Negative |
| Packaging & Storage | |
| Packaging | 25 kg/drum (double PE inner bag, fibre drum 380×460mm) |
| Storage | Sealed, cool, dry, clean environment |
| Shelf Life | 24 months |
Note: NAG is produced via corn-based microbial fermentation — shellfish-free, no crustacean raw material used at any stage of production. Full fermentation process documentation and non-GMO declaration available upon request.
Produced via corn-based microbial fermentation — completely free from shrimp, crab, or any crustacean raw material, eliminating shellfish allergen concerns entirely.
N-Acetyl Glucosamine is the direct biosynthetic precursor to hyaluronic acid in the body — a key differentiator enabling dual positioning in both joint health and skin hydration applications.
pH 6.0–8.0 is significantly higher than glucosamine HCl or sulfate forms (pH 3.5–5.0) — making NAG better tolerated in pH-sensitive formulation systems and gentler on the stomach.
A measurable melting point provides additional identity confirmation — a quality marker not present in other glucosamine salt forms.
The only glucosamine form with established use in both joint health supplements and skin beauty products — supports premium multi-benefit supplement positioning.
Fermentation origin enables non-shellfish, non-mammalian, and potentially vegan-friendly product labeling — meeting growing consumer demand for transparent, clean-label ingredients.
The ideal glucosamine alternative for consumers with shellfish allergies or dietary restrictions who cannot take conventional crustacean-derived glucosamine.
Used in inner beauty supplements targeting skin hydration and anti-aging — leveraging the role of NAG as a direct precursor to hyaluronic acid biosynthesis.
Emerging research supports NAG role in intestinal mucosa support — used in gut health and microbiome-targeted supplement formulations.
Enables vegan product positioning and shellfish-free labeling — the preferred glucosamine form for clean-label, allergy-conscious, and plant-based supplement brands.
Highest active glucosamine content (83%) for smaller capsule and tablet sizes.
Learn More →Common sodium-stabilized sulfate form for standard joint health capsules.
Learn More →Sodium-free potassium salt form preferred for low-sodium supplement formulations.
Learn More →Fermentation-derived sodium hyaluronate for comprehensive joint and beauty formulas.
Learn More →Contact our team to receive samples, batch COA, fermentation process details, and pricing for your production requirements.