ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2026 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
Calcium Citrate

Calcium Citrate

Puritan's Pride

#Calcium
78
Safety80
Efficacy75
Transparency68
Based on Examine, Wikipedia, and 23 other sources

Overview

This Calcium Citrate supplement provides a substantive dose of calcium which is critical for bone health. While the label explicitly lists only Calcium at 1000mg, the product description mentions the inclusion of Vitamin D3 which is crucial for calcium absorption. The effectiveness largely relies on the actual presence and dosage of Vitamin D3, which is not detailed on the supplement facts, making it difficult to fully assess its potential synergistic benefits for absorption.

The Good

Provides a substantial dose of 1000 mg of calcium per serving.

Utilizes calcium citrate, a well-absorbed form of calcium.

Potential inclusion of Vitamin D3 for enhanced absorption (as per description, not label).

The Bad

Vitamin D3 content is not listed on the supplement facts, despite being mentioned in the product description, raising transparency concerns.

High dose of calcium (1000mg) in a single serving may be too much for some individuals, requiring division.

Requires four capsules per serving, which may be inconvenient.

Is it for you?

Best For: Individuals seeking bone health support, those with calcium or Vitamin D deficiencies

Skip If: You have a history of kidney stones or hypercalcemia, or are on medications that interact with calcium or Vitamin D.

Ingredients Analysis

Sodium

5 mg

Calcium

1000 mg

How to Use

Follow dosage instructions on the product label, typically taken with meals for optimal absorption.

Frequency:

Daily

Best Time:

Anytime

When:

With food

Who Should Use This

Best For:

Individuals seeking bone health support, those with calcium or Vitamin D deficiencies

Recommended Articles

Top Immune Support Ingredients: What Works?

Top Immune Support Ingredients: What Works?

Vitamin D, zinc, and echinacea are key ingredients in immune support supplements, backed by scientific evidence.

Top Anti-Inflammatory Supplement Ingredients

Top Anti-Inflammatory Supplement Ingredients

Curcumin, omega-3 fatty acids, CBD, and Vitamin D are proven to effectively reduce chronic inflammation.

Bone Health Supplements for Plant-Based Postmenopausal Women

Bone Health Supplements for Plant-Based Postmenopausal Women

Optimal bone health for postmenopausal individuals on plant-based diets involves calcium, vitamin D, magnesium, and vitamin K2 supplementation.

Top Men's Vitality Supplements & Ingredients

Top Men's Vitality Supplements & Ingredients

Vitamin D, Zinc, Magnesium, and L-arginine are crucial for men's vitality, supported by scientific evidence.