Best N-Acetyl-L-Cysteine (NAC) Powder Supplier High Purity USP Grade for Health Supplement Companies, Company
Product Description
N-Acetyl-L-Cysteine (commonly known as NAC) is a stable, bioavailable derivative of L-Cysteine, a conditionally essential amino acid. Our NAC is produced via advanced fermentation and refining processes, meeting strict USP quality standards,and a widely used functional ingredient in dietary supplements and health formulations.
≥99% purity tested by HPLC, USP grade, consistent batch quality
As a precursor to glutathione, NAC is widely recognized for supporting the body’s natural antioxidant defense system.
Factory direct bulk supply, steady inventory, on-time delivery
Free samples, complete COA/MSDS documents.
- 1. Dietary Supplements Antioxidant formulas, immune support supplements, liver health care products, respiratory health capsules/tablets/powders; often combined with vitamin C, zinc, elderberry, quercetin for compound immune products.
- 2. Functional Foods & Beverages Solid drinks, effervescent tablets, protein powders, health drinks, and oral liquids.
- 3. Sports Nutrition Post-workout recovery supplements, endurance and cellular protection formulas for athletes and fitness users.
- 4. Cosmetics & Topical Products Antioxidant skincare serums, moisturizers, brightening products, and hair care formulations (supports scalp and hair health).
| Item | Specifications | Test Results |
|---|---|---|
| Description | White crystals or crystalline powder | White crystalline powder |
| Identification | Infrared absorption | Conforms |
| Assay,% | 98.5~102.0 | 99.20 |
| pH value | 2.0 ~ 2.8 | 2.25 |
| Melting point,℃ | 106 - 110 | 107-109 |
| Specific optical rotation[a]D20° | +21.0o~ +27.0o | +25.4o |
| Loss on drying,% max | 1.0 | 0.13 |
| Residue on ignition，% max | 0.5 | 0.07 |
| Heavy metals（Pb）,% max | 0.001 | ＜0.001 |
| Conclusion: Agree with the specification of USP36. | ||
| Weight | Packing method |
|---|---|
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | by Drums or carton (2 layers plastic bag inside) |
| Weight | Delivery method | Delivery time | Destination |
|---|---|---|---|
| 1kg-25kgs | EMS, DHL, UPS, Fedex | 3-7days | Door to door |
| 25kgs-100kgs | DHL, FedEx, by Air | 3-7days | Door to door (to Airport by Air) |
| more than 100kgs | by Air | 3-7days | Door to Airport |
| by Sea | 10-35days | Door to port |
Over 20 years of export experience in raw materials, providing reliable products and professional support.
Strict quality control system ensuring products meet USP, EP, and CP standards.
We offer a wide range of ingredients, including enzyme preparations, plant extracts, vitamins, amino acids, and pharmaceutical intermediates, meeting the diverse needs of the pharmaceutical, dietary supplement, food, and cosmetic industries.
Customer-focused with fast response and 24/7 online support.
N-Acetyl L-Cysteine (NAC) is a derivative of the amino acid L-cysteine. It is widely used in dietary supplements and nutritional products.
Yes. NAC powder is commonly used in capsule, tablet, and functional supplement formulations.
COA, MSDS, TDS, specification sheets, and other technical documents.
Yes. Samples are available for testing and evaluation before placing bulk orders.
NAC should be stored in a cool, dry place away from moisture, heat, and direct sunlight to maintain product quality.
Yes. We provide export support with complete documentation, including shipping documents and quality certificates required for international customers.
