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Nature's Bounty

Nature's Bounty Calcium Plus Vitamin D3 Tablets 300 Count

  • 400 IU vitamin D3 with calcium
  • 300 tablets, one bottle
  • Immune, bone and joint support listed
  • Gluten free, contains molluscs

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

Our verdict

A calcium tablet with a stated vitamin D3 amount in a very large bottle. The calcium amount is not given, and the allergen field lists molluscs.

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ASIN: B002FHL3DECategory: Calcium Supplements

Overview

Swallowing one tablet gets you calcium plus vitamin D3 from this Nature's Bounty product. The listing ties it to immune support, bone health and nutritional support.

The large bottle and the stated vitamin D amount make it practical for long-term use. The gaps are the missing calcium strength and the mollusc allergen note, which will rule it out for some.

Who it's for

Adults who want a routine calcium tablet with a stated vitamin D amount are the match. People with shellfish or mollusc concerns, and those wanting a stated calcium dose, should look elsewhere.

Pros and cons

Pros
  • Vitamin D3 amount stated
  • Very large tablet count
  • Gluten free listing
  • Immune and bone support listed
Cons
  • Calcium amount not listed
  • Mollusc allergen listed
  • Tablet only, no chew option

Performance notes

Calcium with vitamin D is a standard bone support pairing, and the tablet delivers both at once. The vitamin D amount applies to the serving, which the listing does not define. Check the label for the calcium source if molluscs matter to you.

Specifications

BrandNature's Bounty
FormTablet
Supplement TypeCalcium with vitamin D3
DietGluten Free
AllergensMolluscs
Count300 tablets
BenefitsBone & Joint Support, Immune Support, Nutritional Support
Vitamin d3 per serving400 IU
FlavorUnflavored

Frequently asked questions

Is Nature's Bounty Calcium Plus suitable with a shellfish allergy?

The allergen field lists molluscs, so check the label and ask a clinician if you have a shellfish allergy.

Is it gluten free?

Yes. The diet field says gluten free.