NOW Supplements, NAC (N-Acetyl Cysteine) 600 mg with Selenium, 250 Veg Capsules

Customers find the supplement effective and beneficial for health, particularly supporting immune function and liver health, with one customer reporting improved lab results. The supplement helps with hangovers and period irregularities, though some experience nausea. While some customers report no side effects, others mention stomach pain, and the product receives mixed feedback about its smell. Additionally, several customers report skin irritation, noting black and brown spots inside the capsules.