Supplements

Vitamin C in supplements · page 258

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.

AgeMenWomenPregnancyBreastfeeding
0-6 months————
7-12 months————
1–3 years400 mg400 mg——
4–8 years650 mg650 mg——
9–13 years1,200 mg1,200 mg——
14–18 years1,800 mg1,800 mg1,800 mg1,800 mg
19+ years2,000 mg2,000 mg2,000 mg2,000 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 258 of 287

Collagen 6,000 mg, youtheory
Collagen 6,000 mgyoutheory · Tablet or Pill90 mg per serving
MK-7 Vitamin K2 100 mcg, Best Naturals
MK-7 Vitamin K2 100 mcgBest Naturals · Capsule2.0 mg per serving
MK-7 Vitamin K2 100 mcg, Best Naturals
MK-7 Vitamin K2 100 mcgBest Naturals · Capsule2.0 mg per serving
Hibiscus & Vitamin C 1200 mg, Remedys Nutrition
Hibiscus & Vitamin C 1200 mgRemedys Nutrition · Capsule1,000 mg per serving
Elderblend Immunity Capsules, Konsyl
Elderblend Immunity CapsulesKonsyl · Capsule200 mg per serving
Vitamin C, Source Naturals
Vitamin CSource Naturals · Powder2.0 Gram(s) per serving
Buffered C Powder 1,000 mg, California Gold Nutrition
Buffered C Powder 1,000 mgCalifornia Gold Nutrition · Powder1.0 Gram(s) per serving
Buffered Gold C, California Gold Nutrition
Buffered Gold CCalifornia Gold Nutrition · Powder1,000 mg per serving
Buffered Gold C, California Gold Nutrition
Buffered Gold CCalifornia Gold Nutrition · Capsule750 mg per serving
Sodium Ascorbate, NutriBiotic Immunity
Sodium AscorbateNutriBiotic Immunity · Powder1,100 mg per serving
CoQ10 200 mg, Metabolic Maintenance
CoQ10 200 mgMetabolic Maintenance · Capsule200 mg per serving
CoQ10 100 mg, Metabolic Maintenance
CoQ10 100 mgMetabolic Maintenance · Capsule120 mg per serving
L-Glutathione 100 mg, Metabolic Maintenance
L-Glutathione 100 mgMetabolic Maintenance · Capsule120 mg per serving
Alpha Lipoic Acid 100 mg, Metabolic Maintenance
Alpha Lipoic Acid 100 mgMetabolic Maintenance · Capsule375 mg per serving
Curcumin + C 400 mg, Metabolic Maintenance
Curcumin + C 400 mgMetabolic Maintenance · Capsule250 mg per serving
Vita-C 500, Professional Botanicals
Vita-C 500Professional Botanicals · Capsule500 mg per serving
Total C Complex + Citrus Bioflavonoids & Rose Hips, California Gold Nutrition
Total C Complex + Citrus Bioflavonoids & Rose HipsCalifornia Gold Nutrition · Capsule500 mg per serving
Total C Complex + Phytonutrients, California Gold Nutrition
Total C Complex + PhytonutrientsCalifornia Gold Nutrition · Powder500 mg per serving
Pregnenolone 25 mg, Source Naturals
Pregnenolone 25 mgSource Naturals · Tablet or Pill10 mg per serving
Metabolic C 500 mg, Source Naturals
Metabolic C 500 mgSource Naturals · Capsule500 mg per serving
Non-GMO Vitamin C 1,000 mg, Source Naturals
Non-GMO Vitamin C 1,000 mgSource Naturals · Tablet or Pill1,000 mg per serving
Total C Complex + Citrus Bioflavonoids & Rose Hips, California Gold Nutrition
Total C Complex + Citrus Bioflavonoids & Rose HipsCalifornia Gold Nutrition · Capsule500 mg per serving
Total C Complex + Phytonutrients, California Gold Nutrition
Total C Complex + PhytonutrientsCalifornia Gold Nutrition · Powder500 mg per serving
Joint Food, Smarter Nutrition
Joint FoodSmarter Nutrition · Capsule140 mg per serving
Vitamin C Shield, Body Kitchen
Vitamin C ShieldBody Kitchen · Capsule1,000 mg per serving
Time Release Vitamin C 1000 mg, Nature's Sunshine
Time Release Vitamin C 1000 mgNature's Sunshine · Tablet or Pill1,000 mg per serving
C 1000 mg, Kirkland Signature
C 1000 mgKirkland Signature · Tablet or Pill1,000 mg per serving
U
Ultra MangosteenTrace Minerals Research · Liquid60 mg per serving
E
Ester-C 500 Plus BioflavonoidsBluebonnet · Other (e.g. tea bag)500 mg per serving
A
All-Natural Nighttime Cough & Sleep Drink Natural Grape FlavorZarbee's · Powder500 mg per serving
N
NO3 Black ChromeCellucor · Capsule83 mg per serving
N
NO3 Black ChromeCellucor · Capsule83 mg per serving
C
Coral Calcium Plus Vitamin D3 & MagnesiumNature's Bounty · Capsule5.0 mg per serving
H
HemoFloActionetix · Capsule300 mg per serving
C
ChitoleanDaVinci Laboratories Of Vermont · Capsule240 mg per serving
G
GOLD Immune PlusSystemic Formulas Bio Challenge · Capsule30 mg per serving
V
Vitamin C-400Innate Response Formulas · Tablet or Pill400 mg per serving
I
Immune +Higher Nature · Tablet or Pill1,000 mg per serving
I
Immune +Higher Nature · Tablet or Pill1,000 mg per serving
E
Eye Moisture ComplexIndiana Botanic Gardens · Capsule375 mg per serving
H
High Strength HSN PlusSimply Supplements · Capsule80 mg per serving
E
Eucalin Kid's Syrup Lemon FlavorEucalin · Liquid0.00 NP per serving
P
Pump Sour Apple CandyCore Nutritionals · Powder250 mg per serving
P
Pump Peach MangoCore Nutritionals · Powder250 mg per serving
P
Pump Pineapple StrawberryCore Nutritionals · Powder250 mg per serving
G
Garcinia Cambogia Acai Blueberry FlavorGT Genesis Today · Other (e.g. tea bag)60 mg per serving
G
Garcinia Cambogia Acai Blueberry FlavorGT Genesis Today · Other (e.g. tea bag)60 mg per serving
G
Garcinia Cambogia Goji Cranberry FlavorGT Genesis Today · Other (e.g. tea bag)60 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).