NAC (N-Acetyl Cysteine)

Tier 2 — promising · Antioxidant · OCD · Addiction

Replenishes glutathione, your body's master antioxidant. Strong evidence as an add-on treatment for OCD, addiction cravings, and schizophrenia. IV NAC is the standard hospital treatment for Tylenol overdose. Supports respiratory health during illness. Mild anticoagulant effect at high doses — caution with warfarin. Long clinical safety record.

Dose: 600–1,200 mg/day for general use; 1,200–2,400 mg/day for OCD/addiction in 2 divided doses with food