US
21st Century

21st Century Calcium Citrate + D3 Petites Tablets

  • 200 coated tablets, unflavored
  • Calcium citrate with vitamin D3
  • Petite tablet size
  • Bone strength support
  • Gluten free

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A small coated calcium citrate and vitamin D3 tablet in a large bottle. The listing gives no strengths, so read the label for the actual doses.

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ASIN: B00O1ZV4M8Category: Calcium Supplements

Overview

A shopper who wants calcium in a smaller tablet will find these petites coated for easier swallowing, with vitamin D3 paired with calcium citrate. They are unflavored and come in a large count bottle.

Pairing calcium with vitamin D3 in one smaller tablet cuts down on pills, and the coating helps with swallowing. The gap is data: no milligram amounts, serving size or directions appear in the listing.

Who it's for

A good match for someone who struggles with large calcium tablets and wants a bone-support product that includes vitamin D3. If you want a chewable or a stated strength on the page, shop elsewhere.

Pros and cons

Pros
  • Smaller tablets to swallow
  • Vitamin D3 included
Cons
  • Strengths not listed
  • Serving size not stated
  • Not a chewable

Performance notes

Calcium citrate is the mineral form, and vitamin D3 is paired with it for bone support. The coating lets the small tablet slide down more easily, and the dose taken depends on the serving set by the label.

Specifications

Brand21st Century
FormCoated tablet (petite)
Supplement TypeCalcium citrate with vitamin D3
DietGluten free
Count200 tablets
FlavorUnflavored
BenefitsBone strength

Frequently asked questions

How do I take 21st Century Calcium Citrate + D3 Petites?

The listing gives no serving directions, so follow the label on the bottle.

Are these calcium tablets coated?

Yes. The title calls them coated tablets.

Does 21st Century Calcium Citrate + D3 contain gluten?

The diet and allergen fields both list gluten free.