NOW Foods NAC Quercetin Zinc Immune & Respiratory Support | 1,000 mg NAC | 90 Veg Capsules

N-acetyl cysteine (NAC) is a stable form of the amino acid cysteine and helps form glutathione, a powerful free radical scavenger that supports normal immune system function. Quercetin is a natural free radical neutralizer that supports seasonal immune health and may promote normal respiratory function. Zinc adds immune-supporting properties. This formula provides 1,000 mg NAC, 500 mg Quercetin, and 15 mg Zinc per two-capsule serving. Take 2 capsules daily. Packaged in the USA by a family-owned company since 1968.