NOW Supplements, NAC Quercetin and Zinc, Immune and Respiratory Support*, 90 Veg Capsules

NOW Supplements N-acetyl cysteine (NAC), a stable form of the non-essential amino acid cysteine, 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, a naturally occurring free radical neutralizer, supports healthy seasonal immune system function. Laboratory studies have demonstrated that quercetin can also help to promote normal respiratory function.

The inclusion of zinc in this supplement is due to its immune-supporting properties. N-acetyl cysteine (NAC) is a stable form of the non-essential amino acid cysteine, which 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, a naturally occurring free radical neutralizer, supports healthy seasonal immune system function.* Users are advised to take 2 capsules daily. This product is packaged in the USA by a family-owned and operated company since 1968.

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