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Calcium Citrate

product on market Tablet or Pill OL Olympian Labs Safety: 92/100
92/100

This product looks safe

  • Magnesium: 400mg is 1.1× the Tolerable Upper Intake Level (350mg)
  • 60% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Calcium, magnesium, and vitamin D have strong evidence for supporting bone density and skeletal health. Zinc and boron provide moderate support for mineral metabolism and bone maintenance. Overall, these ingredients are well-researched for their roles in maintaining musculoskeletal integrity.

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 Calcium Citrate
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Tablet(s)
Serving Size
65
Servings
Multi-Vitamin and Mineral (MVM)
Product Type
60%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

400 IU (100% DV)
Within RDA (0.7× RDA) 608 studies (A:16, B:251)
Calcium
1 g (100% DV)
400 mg (100% DV)
Exceeds UL by 1.1× (UL: 350 mg) 316 studies (A:8, B:159)
10 mg (67% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
400 mcg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews

Other Ingredients

Microcrystalline Cellulose Modified Cellulose Dicalcium Phosphate Ascorbyl Palmitate Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

SUGGESTED USE: As a dietary supplement, take four (4) tablets daily with food, or as directed by a healthcare professional.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

Formulation Notes

All Olympian Labs products are free from most allergens such as corn, yeast,barley,gluten, wheat, soy, lactose, all milk products, fish, egg products, as well as added flavorings, sugars, sweeteners, salt, preservatives, salicylates, artificial colors and coatings.

With Magnesium, Vitamin D, Boron and Zinc for Increased Assimilation

Additional Information

When you buy an Olympian Labs product, you can be sure you are buying the best.

OLYMPIAN LABS GUARANTEE: Olympian Labs guarantees that all OL products are of the highest quality ingredients and lab assayed to ensure that what we say on the label is actually in the product.

Confused on what to take? Check yourself at: WhatVitaminsAreRightForYou.com

STORE IN A COOL, DRY PLACE.

Since 1992 OL

Highest Grade Citrate Available

This formula provides Calcium in a soluble citrate form. Recent research suggests that Boron may help in the body's retention of bone building minerals.

Made in USA

Metadata

Product Details

UPC / SKU7 10013 03043 6
DSLD Entry Date2012-06-25
Product TypeMulti-Vitamin and Mineral (MVM)
FormTablet or Pill
DSLD ID9451
Data Updated2026-04-11
Research

Research Evidence

511
Research Sources
57
Avg Quality
266
Meta Analysis
95
Systematic Review
76
Rct
49
Clinical Trial
12
Guideline
4
Regulatory Source
2
Cochrane Review
2
Other
2
Narrative Review
1
Openfda Safety
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 First-line drugs for hypertension
Meta Analysis The Cochrane database of systematic reviews 2018 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 Beta-blockers for hypertension
Meta Analysis The Cochrane database of systematic reviews 2017 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 Calcium →
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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.