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

• Elderberry with Zinc Gummy Berry FlavoredIntegrative Therapeutics90 mg
• Elderberry Zinc and Vitamin CDouble Wood Supplements100 mg
• Elderberry Zinc Raspberry FlavorApollo Sun · off the market150 mg
• Elderberry+Tomorrow's Nutrition0.125 mg as transcribed, likely a slip
• Elderberry+Number One Nutrition180 mg
• Elderberry+ Great Raspberry Flavor 200 mgQuantum Health100 mg
• Elderberry+ Immune Complex Blueberry & Raspberry FlavorCodeage · off the market36 mg
• Elderberry+ Immune ResponseInnate Response Formulas250 mg
• Elderberry+ Lozenges Raspberry Flavor 200 mgQuantum Health · off the market100 mg
• Elderberry, Vitamin C + ZincViva Naturals400 mg
• Elderberry-PlusPhysician's Strength50 mg
• Elderblend Immunity CapsulesKonsyl200 mg
• ElderMuneNOW200 mg
• Electro BuzzHealth Fixer56 mg
• Electro Endurance Natural Orange FlavorNOW Sports250 mg
• Electro Endurance Orange FlavorNOW Sports250 mg
• Electro-C CherryNutriBiotic Immunity850 mg
• Electro-Vita-MinTrace Minerals Research · off the market140 mg
• Electro-Vita-Min Daily 5Trace Minerals Research60 mg
• ElectrolyteMTN OPS90 mg
• Electrolyte Berry SplashVitaminHydrate220 mg
• Electrolyte Blue RaspberryVitaminHydrate220 mg
• Electrolyte Complex Pink LemonadeNutricost180 mg
• Electrolyte Fizz GrapeBodyTech1,200 mg
• Electrolyte Fizz Lemon LimeBodyTech1,200 mg
• Electrolyte Fizz WatermelonBodyTech1,200 mg
• Electrolyte Hydrator Lemon LimeVega Sport60 mg
• Electrolyte Hydrator Pom-BerryVega Sport60 mg
• Electrolyte Hydrator Pom-Berry Lemon LimeVega Sport60 mg
• Electrolyte Orange BlastVitaminHydrate220 mg
• Electrolyte Plus CBioGenesis Nutraceuticals · off the market1,000 mg
• Electrolyte Plus Cardio & Immune Berry FlavorDr. Sinatra1,000 mg
• Electrolyte Powder CherryTerra Origin225.5 mg as transcribed, likely a slip
• Electrolyte Powder GrapeSierra Fit100 mg
• Electrolyte Powder LemonadeSierra Fit100 mg
• Electrolyte Powder Mixed BerrySierra Fit100 mg
• Electrolyte Powder Mixed Berry FlavorSierra Fit100 mg
• Electrolyte Powder OrangeSierra Fit100 mg
• Electrolyte Powder Orange FlavorSierra Fit100 mg
• Electrolyte Powder TropicalSierra Fit100 mg
• Electrolyte Stamina Shot BerryTrace Minerals Research500 mg
• Electrolyte Supreme Berry-LiciousJigsaw Health260 mg
• Electrolyte Supreme Fruit PunchJigsaw Health260 mg
• Electrolyte Supreme Lemon-LimeJigsaw Health260 mg
• Electrolyte Volumizing Hydration LemonadeEvlution Nutrition100 mg
• Electrolyte/Energy FormulaPure Encapsulations100 mg
• Electrolyte/Energy Formula (Stick Packs) Natural Pomegranate FlavorPure Encapsulations80 mg
• Electrolytes Advanced Hydration Complex Cucumber LimeNutricost180 mg
• Electrolytes Advanced Hydration Complex Orange MangoNutricost180 mg
• Electrolytes Advanced Hydration Complex Orchard BlastNutricost180 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