Jarrow Formulas - N-A-C Sustain - 100 Tablets Jarrow Formulas N-A-C Sustain is a patented, extended release form of N-Acetyl-L-Cysteine (NAC), an antioxidant amino acid and a precursor to the critical antioxidant glutathione. Glutathione exerts a variety of protective effects, including detoxification and intracellular defense against oxidative stress. Substances known to reduce glutathione status are acetaminophen and alcohol.NAC has a biological half-life of 1.5 hours in the bloodstream.

Jarrow Formulas - N-A-C Sustain - 100 Tablets Jarrow Formulas N-A-C Sustain is a patented, extended release form of N-Acetyl-L-Cysteine (NAC), an antioxidant amino acid and a precursor to the critical antioxidant glutathione. Glutathione exerts a variety of protective effects, including detoxification and intracellular defense against oxidative stress. Substances known to reduce glutathione status are acetaminophen and alcohol.NAC has a biological half-life of 1.5 hours in the bloodstream.