... ≤1Heavy Metals ppm≤10Ferric salt ppm≤20Uses:L-Aspartic acid potassium salt has extraordinary curative effect on adjusting cardiac muscle function ... , and treating cardiovascular diseases, cerebrovascular disease, low potassium, arrhythmia, hepatitis, hepatic insufficiency. It also can be used as ... .Storage:Sealed, kept in dry and cool place; avoid light.. Potassium L-aspartate