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Amino AcidStrong Evidence

NAC (N-Acetyl Cysteine)

A precursor to glutathione, the body's most important antioxidant. Studied for respiratory health, liver protection, mental health (OCD, addiction), and as a mucolytic agent.

Known Health Benefits

Glutathione precursor and antioxidant support
Respiratory health and mucus clearance
Liver detoxification and protection
May support mental health (OCD, PTSD, addiction)

Active Compounds

N-acetyl-L-cysteine

Dosage Guidance

600–1800 mg daily in divided doses

Always consult a healthcare provider for personalized dosing.

Potential Side Effects

GI upset, rash; may worsen asthma at very high doses; sulfur smell

Known Drug Interactions

May interact with nitroglycerin, blood thinners, and activated charcoal

Evidence Classification

Strong Evidence

Supported by randomized controlled trials (RCTs), systematic reviews, or meta-analyses published in peer-reviewed journals.

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This entry is for educational purposes only. It is not medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement regimen, especially if you take medications or have health conditions.