Effective Dosage: There is currently no clinical evidence that L-Cysteine is effective as a weight loss supplement at any dosage.
The usual supplemental dosage of L-cysteine is 500 milligrams to 1.5 grams daily. Those who supplement with L-cysteine should drink at least six to eight glasses of water daily in order to prevent cystine renal stones. Some studies indicate that an intake of 3 to 5 grams daily of vitamin C may prevent cystine stones. However, high-dose vitamin C itself may contribute to renal stones in some (see Vitamin C).
Healthy people do not need to supplement N-acetyl cysteine. Optimal levels of supplementation remain unknown, though much of the research uses 250-1,500 mg per day. diet pills
L-Cysteine is a non-essential amino acid which acts as an antioxidant. L-Cystine and L-Cysteine are two amino acids that the body can readily convert from one to the other as required. L-Cystine is the more stable form. Cysteine can be synthesized in the body from L-Methionine.
Cysteine can also be transformed into glucose and used by the body as a source of energy. Cysteine strengthens the protective lining of the stomach and intestines, which may help prevent damage caused by aspirin and similar drugs. Additionally, cysteine may play an important role in the communication between immune system cells. Cysteine is rarely used as a dietary supplement. N-acetyl cysteine (NAC), which contains cysteine, is more commonly used as a supplement.
These statements about L-Cysteine have not been evaluated by the Food and Drug Administration. L-Cysteine is not intended to diagnose, treat, cure, or prevent any disease.
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