Vitamin C by XYMOGEN
Sold as “XYMOGEN Xcellent C Vitamin C Supplement (120 Capsules) + Zinc Glycinate (120 Capsules) - High Dose Vitamin C with Chelated Zinc Antioxidants + Immune Support”
Nature Made
Zinc 30 mg
Pure Encapsulations
Nature's Bounty
Zinc 50 mg
THORNE
Zinc 15 mg