Ascorbic Acid
Ascorbic Acid is a tier 1 form of Vitamin C, used in 16,198 on-market products .
16,198
on-market products
tier 1
quality tier
n/a
elemental fraction
Why this tier: Reference form; a head-to-head absorption/excretion study found no meaningful bioavailability advantage for other commercial vitamin C forms over plain ascorbic acid. L-ascorbic acid is the biologically active stereoisomer "ascorbic acid" refers to on labels.
Source: Johnston CS, Luo B. 1994, J Am Diet Assoc 94(7):779-81, PMID 8021423
Trend
Brands using this form
| Brand | Products |
|---|---|
| Douglas Laboratories | 310 |
| DC | 293 |
| Wonder Laboratories | 260 |
| Nature's Way | 214 |
| Centrum | 185 |
| Nature Made | 160 |
| Cellucor | 155 |
| MegaFood | 140 |
| The Vitamin Shoppe | 136 |
| Source Naturals | 129 |
| Higher Nature | 125 |
| Bluebonnet | 125 |
| Puritan's Pride | 123 |
| Syntrax | 110 |
| Vitamin World | 108 |
| Pure Encapsulations | 108 |
| NOW | 95 |
| Metagenics | 95 |
| Justified Laboratories | 95 |
| Gaspari Nutrition | 92 |
| NaturesPlus | 91 |
| Nutri-West | 90 |
| New Chapter | 90 |
| Bayer One A Day | 87 |
| Nature's Bounty | 86 |