🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 74% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Capsule(s) Serving Size
62 Servings
Other Combinations Product Type
74% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
60 mg (100% DV)
30 IU (100% DV)
✅ 1.3× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 20.1mg UL 1000mg
3 mg (200% DV)
✅ 2.5× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 3mg
3.4 mg (200% DV)
✅ 2.6× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 3.4mg
20 mg (100% DV)
✅ 1.4× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 20mg UL 35mg
2 mg (100% DV)
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
12 mcg (200% DV)
📊 5.0× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.012mg
300 mcg (100% DV)
📊 10.0× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.3mg
10 mg (100% DV)
✅ 2.0× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 10mg
Calcium
40 mg (4% DV)
20 mg (5% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 20mg
15 mg (100% DV)
✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 15mg UL 40mg
70 mcg (100% DV)
✅ 1.3× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.07mg UL 0.4mg
1500 mcg (42% DV)
✅ Within RDA (0.7× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 1.5mg UL 11mg
2 mg
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
40 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 40mg
40 mg
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 40mg
📊 Market median: 125.0mg (294 products) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 14mg UL 3500mg

Other Ingredients

Calcium Carbonate Ascorbic Acid Calcium Citrate Zinc Citrate Magnesium Glycinate(R) Vitamin E Acetate L-Glutamine L-Taurine Calcium Chelate Niacinamide Magnesium Oxide Magnesium Citrate Choline Citrate Calcium D-Pantothenate Sodium Ascorbate Di-Calcium Phosphate Silicon Dioxide Selenium Chelate Folic Acid Manganese Citrate Riboflavin Phosphate Magnesium Stearate Thiamine Mononitrate Pyridoxine Hydrochloride Pyridoxal 5-Phosphate Fish Gelatin Cyanocobalamin Biotin Plant Cellulose Capsules

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) No Allergies Gluten Free

Product Information

📋 Directions for Use

SUGGESTED USE: 2 capsules daily or as directed by a physician.

These two important vitamins should be included either in your diet or supplements for proper balanced nutrition and health.

⚠️ Warnings & Precautions

KEEP OUT OF THE REACH OF CHILDREN.

🧪 Formulation Notes

CONTAINS FISH

CASEIN & GLUTEN FREE

HYPOALLERGENIC

FREE OF: Casein, gluten, soy, wheat, egg, artificial colorings, artificial flavorings, yeast, peanuts or tree nuts.

This product does not contain vitamins A and D.

Additional Information

0227-125\227-0075

Best Used by August 2014

0227-125

IMPORTANT: STORE IN A COOL DRY PLACE AND TIGHTLY CAPPED.

(503)694-1600

Product Details

DSLD Entry Date 2013-08-23
Product Type Other Combinations
Form Capsule
Brand Kirkman
DSLD ID 24554
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 →

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