---
product_id: 9956434
title: "21st Century Calcium Citrate Plus D3 Maximum - 630 mg Calcium, Bone Health Support, Easily Absorbable, Gluten Free, Non-GMO, Compare to Citracal +D3, 400 Tablets"
brand: "21st century"
price: "€ 60.66"
currency: EUR
in_stock: true
reviews_count: 13
category: "21st Century"
url: https://www.desertcart.sk/products/9956434-21st-century-calcium-citrate-plus-d3-maximum-630-mg-calcium
store_origin: SK
region: Slovakia
---

# 630 mg Calcium per serving 100-day supply, 400 tablets 500 IU Vitamin D3 for absorption 21st Century Calcium Citrate Plus D3 Maximum - 630 mg Calcium, Bone Health Support, Easily Absorbable, Gluten Free, Non-GMO, Compare to Citracal +D3, 400 Tablets

**Brand:** 21st century
**Price:** € 60.66
**Availability:** ✅ In Stock

## Summary

> 💪 Fortify your future with every tablet—strong bones, smart choice!

## Quick Answers

- **What is this?** 21st Century Calcium Citrate Plus D3 Maximum - 630 mg Calcium, Bone Health Support, Easily Absorbable, Gluten Free, Non-GMO, Compare to Citracal +D3, 400 Tablets by 21st century
- **How much does it cost?** € 60.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/9956434-21st-century-calcium-citrate-plus-d3-maximum-630-mg-calcium)

## Best For

- 21st century enthusiasts

## Why This Product

- Trusted 21st century brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Lasting Supply:** 400 tablets provide a convenient 100-day regimen—stay stocked and stress-free.
- • **Clean & Pure Formula:** Gluten-free, non-GMO, no artificial colors or preservatives—because your health deserves the best.
- • **Trusted Value Leader:** Compare to Citracal +D3 Maximum with premium quality at a fraction of the price.
- • **Bone Health Maximized:** 630 mg calcium plus 500 IU vitamin D3 supports strong bones and optimal mineral density.
- • **Superior Absorption Power:** Calcium citrate formula absorbs effortlessly without stomach acid, perfect for sensitive digestion.

## Overview

21st Century Calcium Citrate Plus D3 Maximum delivers 630 mg of easily absorbed calcium citrate and 500 IU of vitamin D3 per serving to support bone health. With a gentle, gluten-free, non-GMO formula and a massive 400-tablet count, it offers a 100-day supply designed for adults seeking effective, convenient, and clean supplementation. Trusted by thousands and comparable to Citracal +D3 Maximum, this supplement is your go-to for maintaining strong bones and healthy calcium absorption.

## Description

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

Review: Good Product and Price - Best Price I could find. Calcium Citrate is the most effective type it appears to take.
Review: Work well, good value for the price - Perfect for us. These are the ones my husbands doctor suggests as he recuperates from Lukemia

## Features

- EASILY ABSORBED CALCIUM FOR BONE HEALTH SUPPORT* - Calcium citrate is more readily absorbed than calcium carbonate and does not require stomach acid for absorption, making it a suitable choice for adults of all ages.* Each serving provides 630 mg of calcium to help support bone health.*
- VITAMIN D3 TO HELP SUPPORT CALCIUM ABSORPTION* - Each serving includes 500 IU (12.5 mcg) of vitamin D3 as cholecalciferol, the preferred form of vitamin D, which helps support calcium absorption and healthy bone mineral density.*
- 100-DAY VALUE SUPPLY - Each bottle contains 400 tablets. At the suggested use of 2 tablets twice daily, one bottle provides a 100-day supply of daily calcium and vitamin D3 support,* reducing the need for frequent reorders.
- GENTLE ON DIGESTION* - Unlike calcium carbonate, calcium citrate does not depend on stomach acid for absorption, making it a comfortable option for adults with sensitive digestion.*
- CLEAN FORMULA - Free from gluten, added sugar, yeast, preservatives, and artificial flavors or colors. Non-GMO.
- COMPARE TO CITRACAL +D3 MAXIMUM - Compare active ingredients to Citracal +D3 Maximum. 21st Century delivers quality nutritional supplements manufactured under strict quality standards at a value price. This product is not manufactured or distributed by Bayer Consumer Care AG, owner of the registered trademark Citracal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00F4BV5DQ |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #9,851 in Health & Household ( See Top 100 in Health & Household ) #44 in Calcium Mineral Supplements #1,654 in Sales & Deals |
| Brand | 21st Century |
| Brand Name | 21st Century |
| Customer Reviews | 4.7 out of 5 stars 5,780 Reviews |
| Diet Type | Gluten Free |
| Dose Release Method | Immediate Release |
| Flavor | Unflavored |
| Global Trade Identification Number | 00740985274958 |
| Item Form | Tablet |
| Item Weight | 1.6 pounds |
| Manufacturer | 21st Century |
| Manufacturer Part Number | BCH-118 |
| Material Type Free | No Artificial Colors, Yeast Free |
| Model Number | 27495 |
| Number of Items | 1 |
| Package Size Name | Economy Pack (200 days supply) |
| Pill Coating | Uncoated |
| Primary Supplement Type | Calcium |
| Product Benefits | Bone Strength |
| Supplement Formulation | Individual Supplement |
| UPC | 740985274958 |
| Unit Count | 400 Count |

## Product Details

- **Brand:** 21st Century
- **Flavor:** Unflavored
- **Item Form:** Tablet
- **Primary Supplement Type:** Calcium
- **Unit Count:** 400 Count

## Images

![21st Century Calcium Citrate Plus D3 Maximum - 630 mg Calcium, Bone Health Support, Easily Absorbable, Gluten Free, Non-GMO, Compare to Citracal +D3, 400 Tablets - Image 1](https://m.media-amazon.com/images/I/71aNEFm4CML.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good Product and Price
*by R***F on June 29, 2026*

Best Price I could find. Calcium Citrate is the most effective type it appears to take.

### ⭐⭐⭐⭐⭐ Work well, good value for the price
*by D***E on June 25, 2026*

Perfect for us. These are the ones my husbands doctor suggests as he recuperates from Lukemia

### ⭐⭐⭐⭐⭐ Calcium citrate
*by T***B on June 22, 2026*

I recommend this product. The petite size is still a little big, but easy to swallow.

## Frequently Bought Together

- 21st Century Vitamins Calcium Citrate Plus D3 Maximum Tablets, 400 Count
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- NOW Foods Supplements, Vitamin C-1,000 with Rose Hips, Sustained Release, Antioxidant Protection*, 250 Tablets

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**Shop now:** [https://www.desertcart.sk/products/9956434-21st-century-calcium-citrate-plus-d3-maximum-630-mg-calcium](https://www.desertcart.sk/products/9956434-21st-century-calcium-citrate-plus-d3-maximum-630-mg-calcium)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-08-01*