vitamin
Vitamin C supplements
Half of the 18,583 vitamin C supplements in the NIH label database that print an amount list 100 mg or less per serving; the middle half list 60 mg to 270 mg, and 1 in 82 of the 18,422 with a plausible amount give more than the adult upper limit at the most servings their labels direct (DSLD version 9.4.0, January 2026). The 775 products whose only supplement ingredient is vitamin C list a median of 500 mg, and 1 in 15 of them give more than the upper limit.
- Products listing it
- 19,91918,583 print an amount; 1,244 list it inside a blend without an amount
- Median per serving
- 100 mgmiddle half 60 mg to 270 mg
- FDA Daily Value
- 90 mgthe median is 111% of it
- Adult upper limit (IOM)
- 2,000 mg224 products go above it a day
How much vitamin C do supplements contain?
The median product lists 100 mg per serving. One in ten lists 21 mg or less, one in ten 750 mg or more. The amount printed most often is 60 mg (2,234 products).
Products by amount of vitamin C per serving
18,583 products, log scale; extreme 0.2% at each end left out of the drawing.
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
How do the amounts compare with the Daily Value and the upper limit?
The FDA Daily Value for vitamin C is 90 mg (adults and children 4 and older). The median product gives 111% of it per serving; the 90th percentile 833%.
The adult Tolerable Upper Intake Level is 2,000 mg a day (total intake from food, water and supplements). At the most servings their labels direct, 224 of the 18,422 products with a plausible amount (1.2%) give more than that from the supplement alone (what counts as plausible).
The upper limit is for total intake from food, water and supplements unless stated, and does not apply under medical supervision. A label amount is what the maker printed. This is data, not advice: the NIH ODS fact sheets explain what each nutrient does.
Sources: 21 CFR 101.9(c)(8)(iv) (Daily Values); Institute of Medicine, DRI summary tables (2011) (upper limits); on reading them, the FDA's Daily Value page.
Which products list the most vitamin C?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Ultra Preventive Forte-Chel (Capsules)Douglas Laboratories3,000 mg
- Ultra Preventive Forte-ChelDouglas Laboratories3,000 mg
- C-500Optimox3,000 mg
- C Buffered CrystalsThompson3,000 mg
- Vitamin C 1,000 mgIndiana Botanic Gardens3,000 mg
- Anti-Alcohol Antioxidants With HepatoProtection ComplexLife Extension3,000 mg
- Mega-Liposomal Vitamin C 3000 mgAurora Nutrascience3,000 mg
- Ortho C+ Lemon FlavorAOR Advanced Orthomolecular Research Premium3,000 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 120 mg; those entered in 2025, 100 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 371 | 120 mg |
| 2012 | 1,185 | 200 mg |
| 2013 | 1,373 | 100 mg |
| 2014 | 836 | 100 mg |
| 2015 | 808 | 111.55 mg |
| 2016 | 824 | 120 mg |
| 2017 | 916 | 100 mg |
| 2018 | 772 | 100 mg |
| 2019 | 969 | 100 mg |
| 2020 | 1,680 | 100 mg |
| 2021 | 1,731 | 100 mg |
| 2022 | 1,904 | 100 mg |
| 2023 | 1,716 | 100 mg |
| 2024 | 1,946 | 120 mg |
| 2025 | 1,552 | 100 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing vitamin C by DSLD product type
Brands listing it most: Nature's Way (366), Douglas Laboratories (330), Nature's Plus (284), ProCaps Laboratories (169), Bronson (151), NOW (144), Country Life (129), Puritan's Pride (110), Source Naturals (108), Nature Made (106).
Every product listing vitamin C
19,919 products, A to Z by name (page 23 of 399), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Alive! Once DailyNature's Way · off the market250 mg
- Alive! Once Daily Men'sNature's Way · off the market175 mg
- Alive! Once Daily Men's 50+Nature's Way175 mg
- Alive! Once Daily Men's 50+ Ultra PotencyNature's Way · off the market203 mg
- Alive! Once Daily Men's 50+ Ultra Potency Complete MultivitaminNature's Way · off the market203 mg
- Alive! Once Daily Men's Ultra MultivitaminNature's Way · off the market203 mg
- Alive! Once Daily Men's Ultra PotencyNature's Way · off the market203 mg
- Alive! Once Daily Men's Ultra Potency Complete MultivitaminNature's Way · off the market203 mg
- Alive! Once Daily Multi-VitaminNature's Way · off the market250 mg
- Alive! Once Daily Multi-Vitamin Ultra PotencyNature's Way · off the market270 mg
- Alive! Once Daily Women'sNature's Way · off the market120 mg
- Alive! Once Daily Women's 50+Nature's Way · off the market135 mg
- Alive! Once Daily Women's 50+ Ultra PotencyNature's Way · off the market180 mg
- Alive! Once Daily Women's 50+ Ultra Potency Complete MultivitaminNature's Way · off the market180 mg
- Alive! Once Daily Women's EnergyNature's Way · off the market90 mg
- Alive! Once Daily Women's Multi-VitaminNature's Way · off the market120 mg
- Alive! Once Daily Women's Ultra PotencyNature's Way · off the market180 mg
- Alive! Once Daily Women's Ultra Potency Complete MultivitaminNature's Way · off the market180 mg
- Alive! Premium Prenatal GummiesNature's Way · off the market120 mg
- Alive! Premium Prenatal Gummies Strawberry & Lemon FlavoredNature's Way120 mg
- Alive! Prenatal GummiesNature's Way · off the market60 mg
- Alive! Prenatal Gummies with 50 mg Plant DHANature's Way · off the market60 mg
- Alive! Prenatal Gummy VitaminsNature's Way · off the market120 mg
- Alive! Prenatal Multi-Vitamin With Plant DHANature's Way · off the market30 mg
- Alive! Prenatal Multi-Vitamin with Plant DHA Strawberry FlavoredNature's Way60 mg
- Alive! Prenatal Multi-Vitamin With Plant DHA Strawberry/Lemon Flavored GummiesNature's Way · off the market30 mg
- Alive! Prenatal Multivitamin GummyNature's Way60 mg
- Alive! Protein VanillaNature's Wayin a blend
- Alive! Stress LessNature's Way9 mg
- Alive! Super Fruits KidsNature's Way45 mg
- Alive! Super Fruits Women'sNature's Way90 mg
- Alive! Super Fruits Women's 50+Nature's Way90 mg
- Alive! Super Fruits Women's Complete MultiNature's Way90 mg
- Alive! Teen Complete Multi for Her Citrus Burst FlavorNature's Way · off the market18 mg
- Alive! Teen Complete Multi for Her Citrus Burst FlavoredNature's Way18 mg
- Alive! Teen Complete Multi for HimNature's Way18 mg
- Alive! Ultra Shake Vanilla FlavoredNature's Way1,000 mg
- Alive! Ultra-Shake VanillaNature's Way · off the market1,000 mg
- Alive! Vitamin CNature's Way500 mg
- Alive! Whole Food Energizer Max PotencyNature's Way · off the market1,000 mg
- Alive! Whole Food Energizer Men's Mulit Max PotencyNature's Way · off the market300 mg
- Alive! Whole Food Energizer Men's Multi Max PotencyNature's Way · off the market300 mg
- Alive! Whole Food Energizer Multi-VitaminNature's Way · off the market1,000 mg
- Alive! Whole Food Energizer Multi-Vitamin Max PotencyNature's Way · off the market1,000 mg
- Alive! Whole Food Energizer Multivitamin Max PotencyNature's Way · off the market1,000 mg
- Alive! Whole Food Energizer No Added IronNature's Way · off the market1,000 mg
- Alive! Whole Food Energizer Women's Multi Max PotencyNature's Way · off the market30 mg as transcribed, likely a slip
- Alive! Whole Food Vitamin CNature's Way · off the market500 mg
- Alive! Women's 50+Nature's Way135 mg
- Alive! Women's 50+ Complete Multi-VitaminNature's Way135 mg