Cheapest right now: $0.16 per gram — Naka Platinum PRO Buffered Vitamin C 2000 mg per each scoop 80 servings 400g Powder Bonus…. $0.28 median of 4 in-stock listings. Updated Aug 26, 2026.
| $/g vitamin C ▲ | Dose | Price | Size | Form | Type | Rating | Name |
|---|---|---|---|---|---|---|---|
| $0.16 | 2 g | $24.99 | 400 g · 80 srv | Powder | Buffered | 4.6 (255) | Naka Platinum PRO Buffered Vitamin C 2000 mg per each scoop 80 servings 400g Powder Bonus Size (300+100 Free) |
| $0.22 | 1 g | $19.99 | 90 caps · 90 srv | Capsules | Buffered | 4.3 (17) | Natural Factors Vitamin C 1000mg Calcium Ascorbate 90 Capsules | HIGH POTENCY, pH Neutral Vitamin C Buffered with Calcium, Non-GMO, Gluten Free |
| $0.33 | 1 g | $40.09 | 120 tabs · 120 srv | Tablets | Buffered | 5 (1) | New Roots Herbal Vitamin C 1000mg Tablets, Sustained Release, 120 Tablets | Buffered Vitamin C, Non-GMO Formula, Gluten Free & Soy Free, With Citrus Bioflavonoids & Rose Hips, Made in Canada |
| $1.11 | 500 mg | $24.99 | 90 caps · 45 srv | Capsules | Buffered | 4.9 (109) | CanPrev Synergy C, Buffered Vitamin C, Zinc, 90 Capsules, 45 Day Supply | Mineral Ascorbates for Gentle Daily Use, 500mg per Capsule, Zinc for Immune Support, Citrus Bioflavonoids, Sea Buckthorn2 ingredientsVitamin C Buffered—Zinc— |