Dietary SupplementFree Form Amino Acid TwinLab L-Cysteine capsules are easier to swallow and assimilate. Each capsule is oil free.L-Cysteine is an amino acid.Well tolerated by the most allergic individuals. No tablet binders, coatings or coloringsNo added salt, artificial sweeteners, preservatives or salicylates. Packaged in a glass bottle for maximum stability, quality and freshness.This product is manufactured at our own state of the art facility..