L-Cysteine is a sulfur-containing amino acid found in protein-rich foods such as meat, dairy, eggs, and some grains and vegetables. It is semi-essential, which means your body can make it itself, but under certain circumstances, extra intake through diet or supplements may be desirable.

The product contains L-Cysteine HCl, the hydrochloride form of the amino acid L-cysteine. This form is often used in supplements because of its good solubility in water.

L-Cysteine is ideally taken on an empty stomach for optimal absorption, as there is then no competition from other amino acids from protein-rich foods. Combining with carbohydrates, such as fruit juice, is no problem.

L-cysteine is unique because it contains sulfur, which distinguishes it from many other amino acids.

Yes, L-cysteine can generally be combined with other supplements. If in doubt, always consult a healthcare provider.