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Ultra-Pure Calcium

product on market Tablet or Pill Purity Products Safety: 90/100
90/100

This product looks safe

  • Magnesium: 400mg is 1.1× the Tolerable Upper Intake Level (350mg)
  • 75% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Calcium and magnesium support bone density and muscle function, while vitamins D and K2 facilitate calcium absorption and distribution. Strong evidence supports these nutrients for skeletal health, though the overall evidence coverage for this specific formulation is limited. The profile maintains a high safety score.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Magnesium: 400mg is 1.1× the Tolerable Upper Intake Level (350mg)

Label

Product Label

Label for Ultra-Pure Calcium
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Tablet(s)
Serving Size
30
Servings
Multi-Vitamin and Mineral (MVM)
Product Type
75%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

25 mcg (125% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)
80 mcg (67% DV)
Within RDA (0.7× RDA) 275 studies (A:9, B:175)
Calcium
500 mg (38% DV)
400 mg (95% DV)
Exceeds UL by 1.1× (UL: 350 mg) 316 studies (A:8, B:159)

Other Ingredients

Microcrystalline Cellulose Dicalcium Phosphate Silica Croscarmellose Sodium Hypromellose Stearic Acid Vegetable Stearate Titanium Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, adults take 4 tablets daily with a meal.

Warnings & Precautions

Contains egg or egg products.

Warning: This product contains vitamin K, which interferes with the prescription drugs Coumadin and Warfarin. Do not take this if taking either of these drugs.

Keep out of reach of children.

Do not use if safety seal is broken.

Formulation Notes

Whole food sourced ultra-pure calcium

Promotes bone health and bone strength of the hip and lumbar spine

Featuring key co-factors vitamin D, magnesium and vitamin K

Additional Information

Intelligent nutritional solutions

Premium grade supplements Since 1993

Store in a cool, dry place.

Metadata

Product Details

DSLD Entry Date2021-03-25
Product TypeMulti-Vitamin and Mineral (MVM)
FormTablet or Pill
BrandPurity Products
DSLD ID244274
Data Updated2026-04-11
Research

Research Evidence

849
Research Sources
56
Avg Quality
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019 PubMed DOI
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
View all evidence for Electrolytes →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.