NOW Supplements, NAC Quercetin and Zinc, Immune and Respiratory Support*, 1,000 mg NAC, 500 mg Quercetin, 15 mg Zinc
NOW Supplements N-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and promotes the formation of glutathione.* Glutathione is a powerful free radical scavenging compound that also helps to maintain normal, balanced immune system function.* Quercetin is a naturally occurring free radical neutralizer that supports healthy seasonal immune system function.* Laboratory studies have demonstrated that quercetin can also help to promote normal respiratory function.* Zinc has been included for its immune-supporting properties.*
- N-acetyl cysteine (NAC) is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures, and promotes the formation of glutathione.* Glutathione is a powerful free radical scavenging compound that also helps to maintain normal, balanced immune system function.*
- Quercetin is a naturally occurring free radical neutralizer that supports healthy seasonal immune system function.* Laboratory studies have demonstrated that quercetin can also help to promote normal respiratory function.*
- Zinc has been included for its immune-supporting properties.*
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- Packaged in the USA by a family owned and operated company since 1968.
