N-Acetylcysteine (NAC)

Glutathione precursor used for liver, lung and general oxidative-stress support.

Typical dose range: 600–1800 mg

Frequency: Daily (split)

Route: Oral

Half-life: ~6 hours

Evidence level: Strong (FDA-approved as mucolytic)

Overview

Cheap, well-tolerated and a sensible addition to almost any cycle support stack.