| Product Name | Category | Size | Lowest Price | Main Ingredient / Dollar | Go to Cheapest Store |
| NOW Foods Vitamin A 25000 IU | Vitamin A | 100 Softgels | | 909090.91 IU of Vitamin A per dollar |  |
| NOW Foods Vitamin A - Fish Liver Oil | Vitamin A | 250 Softgels | | 870473.54 IU of Vitamin A per dollar |  |
| NOW Foods Vitamin A & D | Vitamin A | 250 Softgels | | 730688.94 IU of Vitamin A & D per dollar |  |
| NOW Foods Vitamin A 25000 IU | Vitamin A | 250 Softgels | | 667735.04 IU of Vitamin A per dollar |  |
| NOW Foods Vitamin A & D | Vitamin A | 100 Softgels | | 585774.06 IU of Vitamin A & D per dollar |  |
| NOW Foods Beta Carotene 25000 IU | Beta-Carotene | 100 Softgels | | 541125.54 IU of Beta-Carotene per dollar |  |
| NOW Foods Beta Carotene 25000 IU | Beta-Carotene | 250 Softgels | | 431331.95 IU of Beta-Carotene per dollar |  |
| NOW Foods Vitamin A 10000 IU | Vitamin A | 100 Softgels | | 418410.04 IU of Vitamin A per dollar |  |
| NOW Foods Beta Carotene - Natural | Beta-Carotene | 180 Softgels | | 243374.80 IU of Beta-Carotene per dollar |  |
| NOW Foods Beta Carotene - Natural | Beta-Carotene | 90 Softgels | | 225225.23 IU of Beta-Carotene per dollar |  |
| NOW Foods Vitamin D-3 5000 IU | Vitamin D | 120 Softgels | | 105448.15 IU of Vitamin D3 per dollar |  |
| NOW Foods Vitamin D-3 2000 IU | Vitamin D | 120 Softgels | | 60150.38 IU of Vitamin D3 per dollar |  |
| NOW Foods Brewer's Yeast 650mg | Brewer's Yeast | 500 Tablets | | 49876.73 Milligrams of Brewer's Yeast per dollar |  |
| NOW Foods Vitamin D-3 1000 IU | Vitamin D | 180 Softgels | | 40089.09 IU of Vitamin D3 per dollar |  |
| NOW Foods C-500 Calcium Ascorbate - C | Vitamin C | 250 Capsules | | 27777.78 Milligrams of Vitamin C per dollar |  |
| NOW Foods Vitamin D - Vcaps | Vitamin D | 120 Capsules | | 26726.06 IU of Vitamin D2 per dollar |  |
| NOW Foods Brewer's Yeast 650mg | Brewer's Yeast | 200 Tablets | | 25791.58 Milligrams of Brewer's Yeast per dollar |  |
| NOW Foods Vitamin D-3 & K-2 Vcaps | Vitamin D | 120 Capsules | | 24048.10 IU of Vitamin D3 per dollar |  |
| NOW Foods Calcium Ascorbate Powder | Vitamin C | 48 Ounces | | 21481.82 Milligrams of Vitamin C per dollar |  |
| NOW Foods Vitamin D-3 400 IU | Vitamin D | 180 Softgels | | 20630.37 IU of Vitamin D3 per dollar |  |
| NOW Foods Calcium Ascorbate Powder | Vitamin C | 8 Ounces | | 18646.58 Milligrams of Vitamin C per dollar |  |
| NOW Foods Vitamin C-500 Tabs | Vitamin C | 250 Tablets | | 17385.26 Grams of Vitamin C per dollar |  |
| NOW Foods Niacin | Vitamin B3 | 250 Tablets | | 15644.56 Milligrams of Vitamin B3 per dollar |  |
| NOW Foods Vitamin C-500 Tabs | Vitamin C | 100 Tablets | | 13927.58 Grams of Vitamin C per dollar |  |
| NOW Foods Niacin | Vitamin B3 | 100 Tablets | | 12531.33 Milligrams of Vitamin B3 per dollar |  |