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L-Arginine (CAS 74-79-3) is an essential amino acid. L-Arginine is a semi-essential amino acid widely used in dietary supplements, sports nutrition, functional foods, feed additives and cosmetic formulations. It plays a key role in protein synthesis, nitric oxide production, and immune regulation.
With excellent solubility and formulation compatibility, L-Arginine is suitable for capsules, tablets, powders, and beverage applications.
≥99% purity, HPLC tested, USP grade
Food, pharmaceutical, feed and industrial grade, customizable specifications to meet diverse needs
Monthly capacity 300 tons, sufficient stock, 7-15 days delivery, support small trial orders
Free samples available, with complete COA, TDS and MSDS documents supplied.
| Item | Specifications | Test Results | |
| Appearance | White crystal or crystalline powder | Conforms | |
| Identification | Infrared Absorption | Conforms | |
| Assay(on dried basis), w/% | 98.5 ~ 101.5 | 99.2 | |
| Loss on drying, w% | ≤ 0.50 | 0.41 | |
| Residue on ignition, w% | ≤ 0.30 | 0.03 | |
| Chloride (as Cl), w% | ≤ 0.05 | ＜0.05 | |
| Sulphate(as SO4), w% | ≤ 0.03 | ＜0.03 | |
| Iron, ppm | ≤ 30 | ＜30 | |
| Heavy metals, ppm | ≤ 15 | ＜15 | |
| Specific Rotation[a]D20° | +26.3° ～ +27.7° | +26.5° | |
| Loss on drying, w% | ≤ 0.50 | 0.41 | |
| Related compounds, w/% | Individual impurities | ≤ 0.5 | ＜0.5 |
| Total impurities | ≤ 2.0 | ＜2.0 | |
| Conclusion: The above test items meet the USP standard | |||
Used in amino acid supplements, sports nutrition products, immune support formulas, and cardiovascular health supplements. It helps boost nitric oxide production, support muscle growth and recovery, and improve exercise performance.
Food nutrition fortifier, added to cereals, dairy products, beverages, baked goods and infant formula to supplement essential amino acids and improve product nutritional value.
As pharmaceutical intermediate for the synthesis of drugs, and medicines for improving immune function and regulating physiological metabolism.
Feed additive for livestock, poultry and aquaculture. It enhances nutrition, promotes animal growth and reproduction, improves feed conversion rate, and strengthens immunity, reducing the risk of diseases.
| 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 |
L-Arginine is a semi-essential amino acid used in dietary supplements, sports nutrition, functional foods, feed additives, and cosmetics. It plays an essential role in protein synthesis, nitric oxide production, and immune system health.
L-Arginine is available in food, pharmaceutical, feed, and industrial grades. The specifications can also be customized depending on your business requirements.
The L-Arginine has a high purity level of ≥99%, as tested by HPLC, and strictly complies with USP (United States Pharmacopeia) standards.
For orders of 1kg, it is packed in double plastic bags and an aluminum foil bag inside a box. For orders of 10kg, 25kg, or more, it is packed in secure drums or cartons with double layers of plastic bags inside.
Shipping methods include EMS, DHL, UPS, and FedEx for smaller orders (3-7 days door-to-door). Air freight takes 3-7 days to the airport, while bulk orders can be shipped by sea taking 10-35 days to reach the port.
Yes, free samples are available upon request. Complete documentation, including the Certificate of Analysis (COA), Technical Data Sheet (TDS), and Material Safety Data Sheet (MSDS) can also be supplied.
