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Amazon.com: Emergen-C Immune+ Triple Action Immune Support Powder, BetaVia (R), 1000mg Vitamin C, B Vitamins, Vitamin D and Antioxidants, Super Orange – 30 Count : Health & Household
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Airborne 1000mg Vitamin C Immune Support Effervescent Tablets, Citrus Flavor, 32 Count - Walmart.com
Immune System Booster - Includes Vitamin C - Zinc & Elderberry for Full Support, 90 Capsules - Kroger
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Amazon.com: Nature's Bounty Vitamin C 24 Hour Daily Immune Support with Zinc and Vitamin D, Upper Respiratory Support, Ester Vitamin C 1000mg Capsules (Softgels), 100 Count : Health & Household
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Amazon.com: Emergen-C Immune+ 1000mg Vitamin C Powder, with Vitamin D, Zinc, Antioxidants and Electrolytes for Immunity, Immune Support Dietary Supplement, Super Orange Flavor - 30 Count/1 Month Supply : Health & Household
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