N-Acetyl-L-Cysteine (NAC)

N-Acetyl-L-Cysteine (NAC) is a stable, bioavailable form of the amino acid L-cysteine, used as a food supplement by adults looking to support their daily nutritional intake. As a precursor to glutathione — one of the body’s key endogenous antioxidants — NAC is a popular choice among those with an interest in antioxidant nutrition and overall wellness.
When choosing a NAC supplement, look for products that clearly state the amount of N-Acetyl-L-Cysteine per serving, any added excipients, and relevant allergen information. NAC supplements are typically available in capsule or powder form and are intended to complement a varied and balanced diet and a healthy lifestyle — they are not a substitute for a nutritious diet.

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