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.

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).

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.

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.

In which products and brands?

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 1 of 399), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.

• #NoFilter Natural Watermelon Passionfruit FlavorN by Nutrilite60 mg
• #NoFilter SleepN by Nutrilite60 mg
• #Shatter SX-7 Black Onyx Fruit Punch ExplosionMuscleTech30 mg
• #Shatter SX-7 Black Onyx Icy Rocket FreezeMuscleTech30 mg
• #Shatter SX-7 Black Onyx Neuro Watermelon FusionMuscleTech30 mg
• #Shatter SX-7 Black Onyx Ripped Cherry Limeade TwistMuscleTech35 mg
• +C Boost Chewable Vita-C 250 mg Natural Lemon FlavorShaklee · off the market250 mg
• +C Boost Sustained Released Vita-C 500Shaklee · off the market500 mg
• +Fiber Shaklee Fiber Plan Powder UnflavoredShaklee48 mg
• +Heart Blood PressureShaklee100 mg
• +I Boost Iron plus C ComplexShaklee60 mg
• +Immunity Immunity Formula IShaklee120 mg
• +Immunity Triple Defense Boost Powder Naturally Berry FlavoredShaklee · off the market1,000 mg
• +Joint Advanced Joint Health ComplexShaklee · off the market60 mg
• +PlusShake Raw ChocolateGreens+5.2 mg
• +PlusShake Raw VanillaGreens+5.6 mg
• 1 ActivatorSystemic Formulas Bio Command320 mg
• 1 Before PacketNew Earth Edge1.2 mg
• 1 Detoxify And SupportRenew Life60 mg
• 1 Detoxify With Deep Liver And Organ CleanseRenew Life300 mg
• 1 Liver & Organ Quick DetoxNature's Plus · off the market300 mg
• 1 Up Whey Chocolate & Peanut Butter Blast1 Up Nutritionin a blend
• 1 Up Whey Cinnamon French Toast1 Up Nutritionin a blend
• 1 Up Whey Coconut Ice Cream1 Up Nutritionin a blend
• 1 Vitamin + MineralPioneer · off the market200 mg
• 1,000 mg Vitamin C Acai BerryEmergen-C1,000 mg
• 1,000 mg Vitamin C Chewables Orange BlastEmergen-C1,000 mg
• 1,000 mg Vitamin C Coconut-PineappleEmergen-C1,000 mg
• 1,000 mg Vitamin C Cranberry-PomegranateEmergen-C1,000 mg
• 1,000 mg Vitamin C Key LimeEmergen-C1,000 mg
• 1,000 mg Vitamin C Lemon-LimeEmergen-C1,000 mg
• 1,000 mg Vitamin C LiteEmergen-C1,000 mg
• 1,000 MG Vitamin C Lite Citrus FlavoredEmergen-C1,000 mg
• 1,000 MG Vitamin C MangosteenEmergen-C1,000 mg
• 1,000 mg Vitamin C Meyer LemonEmergen-C1,000 mg
• 1,000 mg Vitamin C OrangeEquate1,000 mg
• 1,000 mg Vitamin C Paradise FruitEmergen-C1,000 mg
• 1,000 mg Vitamin C Pink LemonadeEmergen-C1,000 mg
• 1,000 mg Vitamin C RaspberryEmergen-C1,000 mg
• 1,000 mg Vitamin C Raspberry Flavored Fizzy Drink MixEmergen-C1,000 mg
• 1,000 mg Vitamin C Strawberry-KiwiEmergen-C1,000 mg
• 1,000 mg Vitamin C Super OrangeEmergen-C1,000 mg
• 1,000 mg Vitamin C TangerineEmergen-C1,000 mg
• 1,000 mg Vitamin C TropicalEmergen-C1,000 mg
• 10 BerryLXR Biotech111.1 mg
• 10 Day DietCreative Bioscience · off the market60 mg
• 100% All Natural Whey Dutch ChocolateMRMin a blend
• 100% All Natural Whey Rich VanillaMRMno amount
• 100% Berries & Whey Berry FlavorBioChem Sports · off the market1 mg
• 100% Berries + Whey Berry FlavorBioChem1.5 mg

Where next?

• Liquid vitamin C
• Vitamin C capsules
• Vitamin C drops
• Vitamin C gummies
• Vitamin C powder
• Check an amount of vitamin C
• Labels above the upper limit
• All ingredients