Pure L-carnitine powder is white crystal or white fine powder, which is easily soluble in water, ethanol and methanol.
L-carnitine tartrate is a stable form of L-carnitine, which promotes the conversion of fat into energy and has no toxic side effects on the human body.
Natural L-carnitine is mostly found in mammalian tissues, and the human body can also synthesize it to meet physiological needs.
| Item | Specification | Result |
| Standard | According to USP standard | |
| Appearance | White crystalline powder | White crystalline powder |
| Identification | IR | Positive |
| Assay ( Titration) | 98.5%~102.0% | 100.00% |
| Appearance of Solution | Clear and Colourless | Clear and Colourless |
| Specific rotation | -26.0°~-29° | -27.18° |
| PH | 2.3~2.6 | 2.48 |
| Loss on drying | ≤0.5% | 0.14% |
| Residue on Ignition | ≤0.5% | 0.04% |
| Heavy Metals | ≤10ppm | <10ppm |
| Arsenic | ≤1ppm | <1ppm |
| Cyanide | Absent | Absent |
| Lead | ≤3ppm | <3ppm |
| Mercury | ≤0.1ppm | <0.1ppm |
| Cadmuim | ≤1ppm | <1ppm |
| Total Plate Count | ≤1000cfu/g | 30cfu/g |
| Yeast & Mold | ≤100cfu/g | <20 cfu/g |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
| Conclusion: | Complies with USP standard | |
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