High-Dose Vitamin C Supplements

5,317 products above 200 mg

5,317 supplements contain high-dose Vitamin C (above 200 mg). The highest dosage product is Ester C 9444 mg at 7200 mg.

High-Dose Products (sorted by dosage)

Product	Brand	Dosage	% DV
Ester C 9444 mg	SuperSmart	7200 mg	9000%
Ester C 600 mgdiscontinued	SuperSmart	7200 mg	9000%
Vitamin C Micro-Crystalsdiscontinued	Nature's Plus	5000 mg	8333%
Pure C Crystals	Nature's Life	5000 mg	8333%
Vitamin C Powder 5000 mg	Solaray	5000 mg	5556%
Pure Vitamin C Crystals 5000 mg	Vitamin World	5000 mg	8333%
C Crystals 5000 mgdiscontinued	Good 'N Natural	5000 mg	8333%
Vitamin C Micro-Crystals	NaturesPlus	5000 mg	5556%
Vitamin C Crystals	Bluebonnet	4500 mg	5000%
Effervescent Vitamin C Magnesium Crystals	Life Extension	4500 mg	5000%
Buffered C Crystals	Bluebonnet	4100 mg	4556%
SUSTAINED RELEASE C-ASCORBSdiscontinued	Nature's Plus	4000 mg	6667%
Buffered Vitamin C Powder	Life Extension	4000 mg	4444%
C Aspa Scorb	Progressive Professional from Progressive Laboratories	4000 mg	6667%
Vitality C	AN American Nutriceuticals	4000 mg	6666%
Alka-C	Energetix	4000 mg	6667%
Sustained Release C-Ascorbsdiscontinued	Nature's Plus	4000 mg	6667%
C-Ascorbs Sustained Release	NaturesPlus	4000 mg	4444%
Vital C Crystal Powder	TriVita	4000 mg	6667%
Vitamin C Crystals	Douglas Laboratories	4000 mg	4444%
Vitamin C Fine Powder, USP	Douglas Laboratories	4000 mg	6667%
Calscorbplex Powdered Ascorbate Complex	Douglas Laboratories	4000 mg	6667%
Calscorbplexdiscontinued	Douglas Laboratories	4000 mg	6667%
Buffer-C	MBi Nutraceuticals	4000 mg	6666%
Magscorbplex 700-Capsulesdiscontinued	Douglas Laboratories	3300 mg	5500%
Magscorbplexdiscontinued	Douglas Laboratories	3300 mg	5500%
First Response Citrus Orange	NutraBio	3000 mg	3330%
Super Nutri Packsdiscontinued	Healthy 'N Fit	3000 mg	5000%
C-3000 Complex	MBi Nutraceuticals	3000 mg	5000%
Ortho C+ Lemon Flavor	AOR Advanced Orthomolecular Research Premium	3000 mg	3333%
Mega-Liposomal Vitamin C 3000 mg Organic Fruit Flavor	Aurora NutraScience	3000 mg	5000%
Mega-Pack+ Vitamin C 3000 mg	Aurora NutraScience	3000 mg	3333%
Anti-Alcohol Antioxidants With HepatoProtection Complex	Life Extension	3000 mg	5000%
C-500	Optimox	3000 mg	5000%
Ultra Preventive Forte-Chel	Douglas Laboratories	3000 mg	5000%
Mega-Liposomal Vitamin C 3000 mg	Aurora Nutrascience	3000 mg	5000%
Ultra Preventive Forte-Chel (Capsules)	Douglas Laboratories	3000 mg	5000%
Buffered C Powder Natural Fruit Punch Flavor	XYMOGEN	3000 mg	3333%
Triple C	SuperSmart	2928.9 mg	3660%
Mixed Ascorbate Powder	Biotics Research Corporation	2767 mg	4612%
C-Care Powder	Karuna	2600 mg	4333%
Optimal Vitamin C Plus	Seeking Health	2600 mg	2889%
Longevitaldiscontinued	Lee Swanson Signature Line	2600 mg	2888%
C Plus Bioflavonoids Fizz Orange Flavor	Adaptogen Research	2569 mg	4280%
C + BioFizz	Designs for Health	2569 mg	4280%
Optimal Vitamin Cdiscontinued	Seeking Health	2569 mg	2854%
Vitamin C Crystals	Country Life	2500 mg	2778%
Liposomal Immune Boost	Sunfood Superfoods	2400 mg	4000%
Buffered Lemon C Powder	Ortho Molecular Products	2350 mg	2611%
Buffered C Powder Natural Berry Flavor	Advanced Nutrition by Zahler	2350 mg	2611%

Frequently Asked Questions

What is considered high-dose Vitamin C?

Based on 30,885 products in the NIH DSLD database, high-dose Vitamin C supplements contain 200+ mg.

Is high-dose Vitamin C safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including Vitamin C.

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