8 fl. oz. of Silver Biotics Daily Immune Support Supplement with SilverSol Technology.

21st Century ImmuBlast Immune System Support Chewable Tablet Vitamin C Plus 13 Vitamins, Minerals and Herbs. Citrus Flavor.

Sundown Non-GMO Clean Nutrition Multivitamin plus 24 hour Immune Support With Ester-C. Provides 8 Essential Vitamins and Zinc Plus Key Herbs Elderberry, Echinacea and Astragalus

90 Tablets of Windmill Natural Vitamins Zinc (Sulfate) 50 mg, to be taken 1 tablet daily.

100 Tablets of Nature's Truth Vitamins: Chelated Zinc (Zinc Gluconate) 50 mg to be taken 1 tablet daily.