• Optimized release N-Acetyl Cysteine tablets
• Sustain bilayer release technology
• 1/3 quick, 2/3 sustained release
• Detoxification, oxidative stress protection*

Jarrow Formulas NAC Sustain is in a Sustain bilayer quick release/sustained release format of N-Acetyl Cysteine (NAC), a powerful 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.* The advanced bilayer Sustain tablets combine 1/3 quick release and 2/3 sustained release formats to both immediately raise and to maintain blood levels over a longer period of time.* NAC Sustain releases in the small intestine over a 4 hour period, compared to the 1.5 hour biological half-life of NAC in the bloodstream.*

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