🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 73% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

2 Tablet(s) Serving Size
50 Servings
Other Combinations Product Type
73% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
200 mg (220% DV)
0.67 mg (60% DV)
✅ Within RDA (0.6× RDA of 1.2 mg) 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 0.67mg
2 mg (150% DV)
✅ 1.5× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 2mg
6.67 mg NE (40% DV)
✅ Within RDA (0.5× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 6.67mg UL 35mg
0.67 mg (40% DV)
✅ Within RDA (0.5× RDA of 1.3 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 0.67mg UL 100mg
3.34 mcg (140% DV)
✅ 1.4× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.0033399999999999997mg
3.33 mg (70% DV)
✅ Within RDA (0.7× RDA of 5 mg) 📚 1 studies — no high-quality reviews
RDA 5mg This product: 3.33mg
200 mg (35% DV)
✅ Within RDA (0.4× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 200mg UL 3500mg
Calcium
58 mg (4% DV)
400 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 400mg
400 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 400mg

Other Ingredients

Microcrystalline Cellulose Hydroxypropyl Cellulose Stearic Acid Vegetable Magnesium Stearate Croscarmellose Sodium Silicon Dioxide Hydrogenated Vegetable Oil Hydroxypropyl Methylcellulose Titanium Dioxide Glyceryl Triacetate FD&C Yellow No. 6 FD&C Yellow No. 5 FD&C Blue No. 1 FD&C Red No. 40

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

2 per day

Directions: Adults - Take two tablets daily, preferably with food, as a dietary supplement.

⚠️ Warnings & Precautions

Contains FD&C Yellow No. 5 (tartrazine) as a color additive.

Caution: If you are pregnant, nursing, taking any medications or have any medical condition, consult your physician before use.

Discontinue use and consult your physician if any adverse reactions occur.

Keep out of reach of children.

Tamper-Evident Seal: Do not use product if seal appears tampered.

🧪 Formulation Notes

Ringing in the ears? May support inner ear health

Guaranteed no added: Sugar, starch, yeast, soy, corn, wheat, dairy, fish, tree nuts, peanuts, egg, fragrance, artificial flavors, preservatives, animal products, crustacean shellfish. Sodium free.

Soy free

Additional Information

Mason guarantee Laboratory Tested cGMP Certified Good Manufacturing Practice

Certified N Mason natural Est. 1967

New

Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees - 77 degrees F).

Please recycle

#NE - Niacin Equivalents

Product Details

UPC / SKU 3 11845 18081 0
DSLD Entry Date 2021-04-22
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 244958
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

Compare Similar Products

View all Vitamin C products →