l cysteine and glutathione l-cysteine vs l-glutathione l-Cysteine-Glutathione Mixed Disulfide, a Novel Bioavailable Sulfhydryl-Modified Precursor, Protects against Early Liver Injury Induced by Short-Term Life Extension Glutathione, Cysteine &

Your digestive enzymes tear it apart into amino acids before it can do its job

Eye Disorder: Wrong doses of glutathione injections can adversely affect the eyes

Ingredidents: aqua/water/eau, sodium laureth sulfate, parfum/fragrance, lauryl betaine, acrylates copolymer, glycerin, disodium laureth sulfosuccinate, phenoxyethanol, glycol distearate, sodium chloride, ppg-2 hydroxyethyl cocamide, sodium benzoate, citric acid, polyquaternium-7, sodium hydroxide, sodium sulfate, laureth-2, panthenol, disodium edta, alcohol denat., maltodextrin, aloe barbadensis leaf juice, benzoic acid, camellia sinensis leaf extract, sodium sulfite, polysorbate 20, caprylyl glycol, potassium sorbate, bht, hexylene glycol, d&c red no

It has been administered by intranasal and intrabronchial routes as well