Supplements

Vitamin C in supplements · page 249

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 249 of 287

Calcium AscorbateNutriBiotic Immunity · Powder1,760 mg per serving

Ascorbyl PalmitateSource Naturals · Powder200 mg per serving

C 500 mgSwanson · Tablet or Pill500 mg per serving

Easy-C 500 mgNatrol · Tablet or Pill500 mg per serving

Iron 18 mg Zesty OrangeEZ Melts · Tablet or Pill30 mg per serving

Vitamin C plus CalciumUltimate Nutrition Platinum Series · Other (e.g. tea bag)826 mg per serving

Iron-CPure Encapsulations · Capsule175 mg per serving

Ascorbyl PalmitateSource Naturals · Powder200 mg per serving

Vitamin C Buffered with Calcium Ascorbate and Ascorbic Acid 1000 mgBronson · Other (e.g. tea bag)1,000 mg per serving

Vitamin C from Calcium Ascorbate Non-AcidicBronson · Tablet or Pill500 mg per serving

Iron-CPure Encapsulations · Capsule175 mg per serving

Non Acidic Vitamin C 1500 mgCGM Labs · Capsule1,500 mg per serving

Zinc Chewables with Vitamin CAllergy Research Group · Tablet or Pill60 mg per serving

Alpha Lipoic Acid 300 mgMetabolic Maintenance · Capsule60 mg per serving

Histamine BlockSeeking Health · Capsule10 mg per serving

Histamine DigestSeeking Health · Capsule10 mg per serving

C from Sodium AscorbateSwanson · Powder1.8 Gram(s) per serving

Natural CProEnzol · Capsule500 mg per serving

ResveratrolSimply Natures Pure · Capsule100 mg per serving

C-Bioflav 1000NuMedica · Capsule1,000 mg per serving

Max-C 500Maxi Health · Tablet or Pill500 mg per serving

Pure-C-Bio CapsulesMaxi Health · Capsule300 mg per serving

Super PoriaMushroom Wisdom · Tablet or Pill80 mg per serving

Quercetin with Vitamin CTerry Naturally · Capsule250 mg per serving

Vitamin C 1,000 mg plus HerbsWonder Laboratories · Tablet or Pill1,000 mg per serving

CranActin 400 mgSolaray · Capsule30 mg per serving

C 1000 mg with Rose Hips21st Century · Tablet or Pill1,000 mg per serving

C 500 mg with Rose Hips21st Century · Tablet or Pill500 mg per serving

Fermented Vitamin C 250 mgNew Chapter · Tablet or Pill250 mg per serving

Cranberry 90% Fruit SolidsNature's Way · Tablet or Pill30 mg per serving

Cranberry Premiun BlendNature's Way · Tablet or Pill30 mg per serving

Cranberry Premium Blend 400 mgNature's Way · Capsule30 mg per serving

Vitamin C 1,000 mg with Rose HipsNature's Way · Capsule1,000 mg per serving

Vitamin C with Bioflavonoids 1,000 mgNature's Way · Capsule1,000 mg per serving

Acetyl-L-Carnitine 500 mgLife Extension · Capsule14 mg per serving

Black Elderberry + Vitamin CLife Extension · Capsule200 mg per serving

Creatine CapsulesLife Extension · Capsule11 mg per serving

Essential Youth L-Ergothioneine 5 mgLife Extension · Capsule5.0 mg per serving

L-Arginine Caps 700 mgLife Extension · Capsule10 mg per serving

Vitamin C and Bio-Quercetin PhytosomeLife Extension · Tablet or Pill1,000 mg per serving

Vitamin C with FlavonoidsThorne · Capsule500 mg per serving

L-Carnitine 2000 Liquid Orange Flavour 0% SugarBody Attack · Liquid20 mg per serving

Cranberry Fruit Extract with Vitamin CBluebonnet · Capsule60 mg per serving

Vitamin C-1000 mg & Rose HipsBluebonnet · Capsule1,000 mg per serving

Complex CMegaFood · Tablet or Pill250 mg per serving

Ultra C 400 mgMegaFood · Tablet or Pill400 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).