What is L-Cysteine? L-Cysteine is a sulfur containing amino acid that help synthesize keratin and aids in the formation of collagen.* It also helps synthesize glutathione, which is an important naturally-occurring antioxidant.* N Acetyl L Cysteine is an advanced form of the amino acid cysteine. Many people take N-A-C N-Acetyl-L-Cysteine supplements for maximum support. How to get L-Cysteine: LCysteine is typically found in food that has a high protein concentration. However, there are also a variety of ways to get this substance in supplement form. Bulk powders, tablets, liquid and capsules are just a few popular ways to receive potent L-Cysteine. It’s often featured in supplement formulas with vitamin B6 + C for extra antioxidant support. About L-Cysteine: Horbaach’s L-Cysteine quick release capsules deliver 1000mg for optimal absorption. Cysteine is an amino acid that supports collagen production and healthy detoxification.* Our Non-GMO and Gluten-Free supplement helps support your hair, skin & nail health making it the perfect addition to your beauty routine.* Shop our wonderful formula now and give yourself the gift of good health!