L -Cysteine monohydrate is a water-soluble salt of the non-essential amino acid, L cysteine.
It helps to treat arthritis and hardening of the arteries. It may help treat certain lung diseases. These include bronchitis, emphysema, and tuberculosis.
L-Cysteine is commonly used as a precursor in the food and pharmaceutical industries. L-Cysteine is used as a processing aid for baking, as well as in the preparation of meat flavours.