Cheapest right now: $0.24 per gram — NOW Vitamin C-1000 Complex, 180 Buffered Tablets. $0.36 median of 4 in-stock listings. Updated 26 Aug 2026.
| $/g vitamin C ▲ | Dose | Price | Size | Form | Type | Rating | Name |
|---|---|---|---|---|---|---|---|
| $0.24 | 1 g | $43.16 | 180 tabs · 180 srv | Tablets | Buffered | 4.7 (1.1K) | NOW Vitamin C-1000 Complex, 180 Buffered Tablets |
| $0.36 | 1 g | $32.26 | 90 tabs · 90 srv | Tablets | Buffered | 4.7 (586) | NOW Vitamin C-1000 Complex, 90 Buffered Tablets |
| $0.45 | 1 g | $45.23 | 100 tabs · 100 srv | Tablets | Buffered | 4.8 (44) | KAL Vitamin C Buffered Sustained Release Tablets, 1000 mg, 100 Count |
| — | ~1 g | $81.62 | — | Tablets | Buffered | 4.4 (1.1K) | Wholesale Nutrition: C Salts Buffered Mineral Water Drink (Vitamin C) |