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| Customer Reviews | 4.7 out of 5 stars 18,571 | | | | |
| Price | $18.59$18.59 | $27.94$27.94 | — no data | $20.85$20.85 | — no data |
| Dosage | 22 mg Zinc | 500 mg Vitamin C | 250 mcg (10,000 IU) | 500 mg Quercetin / 500 mg Ester-C | 48 mg Curcuminoids |
| Beneficial Ingredients | Zinc (as zinc glycinate amino acid chelate) | Vitamin C (as Ester-C calcium ascorbate), Citrus Bioflavonoid Complex, Acerola Extract, Rose Hips, Rutin | Vitamin D3 (as cholecalciferol) | Vitamin C (as Ester-C calcium ascorbate), Calcium, Quercetin, Bromelain, Citrus Bioflavonoid Complex, Acerola, Rose Hips, Rutin | Full Spectrum Curcumin |
| Attributes | Non-GMO, Vegan, Gluten Free, Dairy Free, Kosher | Non-GMO, Vegan, Gluten Free, Dairy Free, Kosher, Halal | Non-GMO, Gluten Free, Dairy Free | Non-GMO, Vegan, Gluten Free, Dairy Free, Kosher | Water-Soluble, Non-GMO, Gluten Free, Dairy Free |
| Benefits | Immune Support, Healthy Skin, High Absorption, Gentle on the Stomach | Immune Support, Gentle on the Stomach, Lasts 24 hours in system | Immune Support, Bone & Joint Support, High Dosage | Immune Support, Synergistic Formula, Gentle on the Stomach | Immune Support, Brain Support, Joint Support |
| Form | Tablets | Vegetable Capsules | Softgels | Vegetable Capsules | Softgels |
| Available Sizes | 100, 250 | 100, 250 | 120, 180 | 50, 100 | 30, 60, 90, 105 |
| Serving Size | 1 per day | 1 per day | 1 per day | 2 per day | 1 per day |