Supplements
Vitamin C in supplements · page 183
13,741 supplements on the U.S. market list Vitamin C with an amount per serving. The official Tolerable Upper Intake Level for adults is 2,000 mg a day.
Tolerable Upper Intake Level (UL)
The highest daily amount that is unlikely to cause harm for almost all healthy people, from food, drinks and supplements combined.
| Age | Men | Women |
|---|---|---|
| 0-6 months | — | — |
| 7-12 months | — | — |
| 1–3 years | 400 mg | 400 mg |
| 4–8 years | 650 mg | 650 mg |
| 9–13 years | 1,200 mg | 1,200 mg |
| 14–18 years | 1,800 mg | 1,800 mg |
| 19+ years | 2,000 mg | 2,000 mg |
Source: NIH ODS Vitamin C Fact Sheet for Health Professionals, Table 3 (updated 2025-07-31).
Supplements with Vitamin C
13,741 shown · page 183 of 287
C
Colon Pure Natural Citrus FlavorGNC Natural Brand · Powder0.00 NP per servingS
Super Vitamin B-ComplexSpring Valley · Tablet or Pill150 mg per servingD
Day-Time Soothing Syrup with UMF 10+ Manuka Honey Orange FlavorComvita Kids · Liquid13 mg per servingA
ACESCarlson · Softgel Capsule1,000 mg per servingA
AdreCorNS NeuroScience · Capsule300 mg per servingO
Organic Camu Camu PowderGroovy Bee · Powder199 mg per servingI
Immune PakAnimal · Powder1,000 mg per servingH
Horseradish Respiratory SupportNatural Factors Whole Earth & Sea · Tablet or Pill500 mg per servingO
Old Jack Extreme PreWorkout Tropical Fruit PunchGenOne Laboratories · Powder250 mg per servingI
ImmuneNutraBio · Capsule500 mg per servingI
Immune Support BoosterEquip · Capsule255 mg per servingC
Crave ControlReset360 · Capsule100 mg per servingI
Immune+ Chewables Orange BlastEmergen-C · Tablet or Pill1,000 mg per servingI
Immune SupportNaturesPlus AgeLoss · Capsule60 mg per servingG
Goji FusionCalifornia Academy of Health · Liquid250 mg per servingN
Nephro Vitamins Vitamin C & B ComplexGeri-Care · Tablet or Pill60 mg per servingL
Love My LegsIrwin Naturals · Softgel Capsule100 mg per servingZ
ZenDEFENSEZenwise · Capsule500 mg per servingI
Immune System SupportHerbadiet · Capsule300 mg per servingLabel data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).