Supplements

Vitamin C in supplements · page 238

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	Pregnancy	Breastfeeding
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	1,800 mg	1,800 mg
19+ years	2,000 mg	2,000 mg	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 238 of 287

Mushroom Blend + Immune SupportGNC Herbal Plus · Capsule200 mg per serving

Klean Pre-Workout Natural Lemon Tea FlavorKlean Athlete · Powder150 mg per serving

Balance DNS NeuroScience · Capsule200 mg per serving

SereneNS NeuroScience · Capsule300 mg per serving

Ascorbplex 1000 Buffered Vitamin CDouglas Laboratories · Tablet or Pill1,000 mg per serving

EyeProtect Basics without ZincPure Encapsulations · Capsule500 mg per serving

RecoveryMineralife · Capsule120 mg per serving

Let's Immunify! KidsSoria Natural · Liquid10 mg per serving

Acai-MaxCalifornia Academy of Health · Liquid33 mg per serving

Adrenal SupportPriority One Nutritional Supplements · Capsule10 mg per serving

Reduce Apple CinnamonSugarbreak Kids · Gummy or Jelly15 mg per serving

Kids 100% Immune SupportWonder Labs · Tablet or Pill90 mg per serving

Pediatric TRI-VITE Drops Delicious Bubble Gum FlavorAkron Pharma · Liquid35 mg per serving

CranberrySwanson · Softgel Capsule100 mg per serving

Andrographis Immune 100 mg with AP-BioCalifornia Gold Nutrition · Tablet or Pill90 mg per serving

Niacin 300 mgBIOVEA · Capsule100 mg per serving

L-Cysteine 500 mgLuckyVitamin · Tablet or Pill60 mg per serving

pMg Compound Complex Potentiated MagnesiumMaxcelint · Tablet or Pill500 mg per serving

Vitamin C with Elderberry & Zinc Sweet & Tangy Berry FlavorPuritan's Pride · Tablet or Pill90 mg per serving

Cranberry Fruit ConcentratePuritan's Pride · Softgel Capsule40 mg per serving

Vitamin C 500 mg & E 268 mgNewtonEverett · Softgel Capsule500 mg per serving

FertileCM for WomenFairhaven Health · Capsule100 mg per serving

K-Mag CSource Naturals · Tablet or Pill1.0 Gram(s) per serving

MSM 1,000 mgSource Naturals · Tablet or Pill250 mg per serving

Ultra Potassium 99 mgSource Naturals · Tablet or Pill22 mg per serving

Vegan Zinc Whole Food ComplexNATURELO Premium Supplements · Capsule90 mg per serving

UroberryAmvilab · Softgel Capsule40 mg per serving

Chewable Iron Cherry FlavorNaturesPlus · Tablet or Pill100 mg per serving

MSM ComplexProgressive Professional from Progressive Laboratories · Capsule89 mg per serving

5-HTP with Vitamin B6 & Vitamin CLake Avenue Nutrition · Capsule200 mg per serving

Quercetin 1200 mgNutriFlair · Capsule200 mg per serving

SuperLysine+ Liquid ExtractQuantum Health · Liquid23 mg per serving

BiotinDaVinci Laboratories · Capsule200 mg per serving

Ultra Cranberry 1000mgNatures Plus · Tablet or Pill100 mg per serving

Histamine Digest with DAOgest 20,000 HDUOmneDiem · Capsule10 mg per serving

Histamine Digest with DAOgest 20,000 HDUOmneDiem · Capsule30 mg per serving

Pure Marine Collagen PeptideLongevity by Nature · Capsule40 mg per serving

InvincibleFight Labs · Capsule100 mg per serving

Raw Vitamin CGarden of Life Vitamin Code · Capsule500 mg per serving

Ultra Cranberry 1000 mgNatures Plus · Tablet or Pill100 mg per serving

AllerEnzProEnzol · Capsule100 mg per serving

BioAdrenoNutra BioGenesis · Capsule100 mg per serving

Glucosamine Sulfate 750Metagenics · Tablet or Pill60 mg per serving

Blueberry & Acerola CherryIheerbo · Tablet or Pill500 mg per serving

CircuLegs with Horse ChestnutSolaray · Capsule150 mg per serving

Reacta C 500 mgSolaray · Capsule500 mg per serving

Label 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).