Supplements

Vitamin C in supplements · page 262

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 262 of 287

Buffered Vitamin CAllergy Research Group · Capsule1.0 mg per serving

Buffered Vitamin CNutriCology · Capsule1.0 Gram(s) per serving

Quellergy with L. acidophilus L-92NutriCology · Capsule250 mg per serving

Collagen ForteDouglas Laboratories · Capsule2,000 mg per serving

Organic Greens & RedsDouglas Laboratories · Powder240 mg per serving

Collagen 5,000 mgyoutheory men · Tablet or Pill60 mg per serving

Soothing Pops with UMF 10+ Manuka HoneyComvita Kids · Other (e.g. tea bag)22 mg per serving

Derma-IronAdvanced Trichology · Capsule50 mg per serving

Advanced Sambucus Elderberry 900 mgForestLeaf · Capsule100 mg per serving

DefenderBodyHealth · Capsule90 mg per serving

Taxifolin Complex SREndurance Products Company · Tablet or Pill500 mg per serving

Vitamin C with Q-C 1000 mgDoctor's Best · Capsule1,000 mg per serving

Vitamin C 500 mgNature Made · Other (e.g. tea bag)500 mg per serving

C 1000 mgNature Made · Tablet or Pill1,000 mg per serving

Organic Vitamin CSunwarrior Be Well · Capsule450 mg per serving

Vitamin C 1000 mgHealth Thru Nutrition · Tablet or Pill1,000 mg per serving

Vitamin C 1000 mgVital Nutrients · Capsule2,000 mg per serving

Vitamin C 1000 mgGNC · Capsule1,000 mg per serving

Vitamin C 1000 mgGNC · Tablet or Pill1,000 mg per serving

Vitamin C Crystals 2000 mg with Rose HipsGNC · Powder2,000 mg per serving

Vitamin C 500 mgGNC · Capsule500 mg per serving

Vitamin C 1 g UnflavoredNutricost · Powder1.0 Gram(s) per serving

Vitamin C Capsules 600 mgChief Originals · Capsule1,200 mg per serving

Vitamin C PowderChief Originals · Powder1,000 mg per serving

Vitamin C 500 mgSundown · Tablet or Pill500 mg per serving

Vitamin CArms Race Nutrition · Capsule1,000 mg per serving

Vitamin C PowderSwanson · Powder1,000 mg per serving

Vitamin C 250 mgGeri-Care · Tablet or Pill250 mg per serving

Vitamin C 500 mgGeri-Care · Tablet or Pill500 mg per serving

Vitamin C Liquid 500 mg Lemon FlavorHealth Star · Liquid500 mg per serving

Liposomal Vitamin C 1,000 mgLifeSeasons Essentials · Capsule1,000 mg per serving

Vitamin C PureKala Health · Powder1.0 Gram(s) per serving

Vitamin C 1 g UnflavoredNutricost · Powder1.0 Gram(s) per serving

C 1000 mgNature Made · Tablet or Pill1,000 mg per serving

C 500 mg with Rose HipsNature Made · Other (e.g. tea bag)500 mg per serving

Vitamin C CrystalsNOW · Powder1.1 Gram(s) per serving

Vitamin C CrystalsBluebonnet · Powder4,500 mg per serving

Vitamin C 500 mgWonder Laboratories · Tablet or Pill500 mg per serving

Ester C 9444 mgSuperSmart · Capsule7,200 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).