PowerHouse Combo: Now NAC Quercetin Zinc & Now Echinacea Goldenseal

This PowerHouse Combo contains one bottle of each:  Now NAC Quercetin & Zinc 90 capsules &  Now Echinacea & Goldenseal Root 100 capsules ------ NAC Quercetin & Zinc Veg Capsules Immune & Respiratory Support* 1,000 mg NAC, 500 mg Quercetin & 15 mg Zinc per serving 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.* Natural color variation may occur in this product.