Trusted strength with 1100 mg per serving
Life Extension N-Acetyl-L-Cysteine 600mg Best NAC Precursor Life Extension N-Acetyl-L-Cysteine (NAC) 600mg Best NAC Precursor Pros NAC is the most well-researched glutathione precursor 600mg per capsule, clinically validated dose Life Extension is trusted by millions since 1980 Excellent bioavailability compared to direct glutathione Supports respiratory health, liver detox, and immune function Cons Indirect approach - body must synthesize glutathione from NAC Not suitable for those needing immediate glutathione boost Distinct sulfur smell is normal but may be off-putting N-Acetyl-L-Cysteine, or NAC, is the rate-limiting precursor for glutathione synthesis
The bodys normal metabolic processes create by-products called reactive oxygen species (ROS), also called free radicals
After reconstitution with bacteriostatic or sterile water under sterile laboratory conditions, refrigerate solutions at 28C and use within standard research timelines (typically 34 weeks)
Cantini L, Pecci F, Hurkmans DP, Belderbos RA, Lanese A, Copparoni C, et al