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21st Century Calcium Citrate Plus D3 Maximum Tablets, 400 Count

TLDR Review: 21st Century Calcium Citrate Plus D3 Tablets

By ShopSavvy Team

Published: July 6th, 2025

Last Updated: July 18th, 2025

Pros

•Excellent quality with suitable ingredients for various age groups.
•Essential for building and maintaining healthy bones; helps prevent osteoporosis.
•Neutral taste makes it easy to incorporate into daily routine.
•Large packaging offers a generous supply at an affordable price.
•Calcium citrate is known for easier absorption compared to other forms.
•Promotes functions such as vasodilation, muscle function, and hormone production.
•Supports heart health by addressing rhythm disturbances.
•Beneficial for muscle spasms, convulsions, and decreases sensitivity in extremities.
•Noticeably strengthens nails and contributes to dental health.
•Recommended for osteoporosis prevention, particularly during active skeletal growth and pregnancy.

Cons

•Pill size is a bit large, making swallowing difficult for some.
•Presence of herbs in the formula may cause gas issues for those allergic to ragweed.
•Initial results suggest some users may require higher doses of calcium citrate and vitamin D3.

Bottom Line

21st Century Calcium Citrate Plus D3 Maximum Tablets offer an affordable and effective way to support bone health, muscle function, and cardiovascular well-being. Its neutral taste and manageable size make it a convenient daily supplement. However, those with ragweed allergies should be cautious due to potential gas issues. It's particularly beneficial for osteoporosis prevention and is suitable for anyone looking to enhance their bone health without breaking the bank.

Lowest at any Popular Retailer

$14.99 at Amazon

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 19 retailers to give you the short version.