L-carnitine tartrate 
 The product is a white or almost white crystalline powder with a pleasant acidic odor. Molecular formula: C18H36N2O12 Molecular weight: 472.49 Property: L-Carnitine Tartrate is the stable form of L-carnitine, it is not easy to absorb moisture in wet conditions remain stable. Soluble in water, but easily soluble in organic solvents. Uses: nutrition enhancer, medicine, especially for solid dosage forms.