nac is a precursor to glutathione N-Acetyl Cysteine (Glutathione Precursor) Meno Clinic NAC (N-Acetyl L-Cysteine):

L.1992aComplementary DNA cloning, messenger RNA expression and induction of alpha-class glutathione S-transferases in mouse tissues.52314318 10

Benefits Balance or Increase in Your Metabolism Prevent Anemia by Increasing Red Blood Cells Keep Your Brain Healthy Benefit Your Mood Benefit Your Unborn Baby Support Healthy Bones and Prevent Osteoporosis Get Healthy Hair, Nails, and Skin Why You Need It Vitamin B12 also plays a vital role in metabolism

Perturbations in antioxidant defenses are increasingly recognized as key contributors to allergic airway disease, and patients with asthma frequently exhibit reduced glutathione levels in the airway (21)

Fragmenting deep sleep, inducing brief awakenings throughout the night

Mailloux RJ, Willmore WG

References Dimet-Wiley, A., Wu, Q., Wiley, J., Eswar, A., Neelakantan, H., Savidge, T., & Watowich, S