NAC: The Forbidden Antioxidant Making a Comeback

N-acetylcysteine: Discover this antioxidant compound that boosts health and cognition while supporting the body's natural processes.

Let me introduce you to N-acetylcysteine, NAC for short. It’s a humble molecule with superhero powers. For years it’s been quietly helping people detox the liver, clear the lungs, and protect the brain.

What Is NAC?

N-acetylcysteine (also spelled N-acetyl cysteine) is compound that was first approved by the FDA as a drug in 1963. Its role? To protect liver toxicity caused by an overdose of acetaminophen. Doctors gave NAC orally or by IV to protect the liver from damage. It was also used to break up mucous in the lungs — by using an inhaler or nebulizer. (1)

Later, NAC took on the role of dietary supplement, as its natural antioxidant capacity combats oxidative stress. And it’s a key precursor in the production of glutathione, the body’s master antioxidant, donating its cysteine to the cause. (2)

Holistic health pioneers had discovered that taking NAC daily supports the body in many ways: (3)

• Protects your brain from oxidative stress

• Lowers anxiety and improves mood

• Boosts fertility and sperm quality

• Defends against respiratory infections

• Supports detox from environmental toxins

But then the FDA took it away. Why?