#4 NutriBiotic NutriBiotic, Immunity, Ascorbic Acid with Bioflavonoids, Crystalline Powder, 16 oz (454 g) 4.8 4.8 (2,339)
#6 安美氏 American Health, Ester-C Esterified Vitamin C with Citrus Bioflavonoids, 500 mg, 240 Vegetarian Capsules 4.9 4.9 (2,591)
#7 Nordic Naturals Nordic Naturals, Vitamin C Gummies, Tangerine, 60 Gummies (125 mg per Gummy) 4.8 4.8 (1,940)
#10 Bluebonnet Nutrition Bluebonnet Nutrition, Rainforest Animals, Vitamin C, Orange, 90 Chewables 4.8 4.8 (1,547)
#14 AirBorne AirBorne, Immune Support Supplement, Rich Orange Flavor, 10 Effervescent Tablets 4.7 4.7 (1,391)
#15 Ener-C Ener-C, Sparkling Multivitamin Drink Mix, Raspberry, 30 Packets, 0.3 oz (9.28 g) Each 4.7 4.7 (898)
#17 NutriBiotic NutriBiotic, Body Defense, Ascorbic Acid with Bioflavonoids, 2.2 lbs (1 kg) 4.8 4.8 (2,339)
#19 Natural Factors Natural Factors, Fruit Vitamin C Chewable Tablets, Tropical Fruit Flavor, 500 mg, 90 Chewable Tablets 4.8 4.8 (714)