GNC NAC 600mg (60 Capsules)

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DESCRIPTION
NAC is N-Acetyl L-Cysteine which is a non-essential amino acid that can be synthesized by the body.
Amino acids are the building blocks of protein and help fuel skeletal muscles.
Cysteine contains sulfur, which is involved in the maintenance of protein structure, enzyme activity and energy metabolism.
Each serving contains 600 mg of N-Acetyl L-Cysteine.