NATURE

Nature Made Calcium 500 mg with Vitamin D3

Calcium
Tablet
Calcium
130

4.7/ 5 on Amazon5,822Amazon ratings3,000+bought last month4.6ProductDome score

Better rated than 63%
More reviewed than 78%

High confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forYou want calcium and vitamin D3 combined in one gluten free tablet

A standard calcium plus D3 tablet at a common 500mg dose, suited to anyone building a basic bone-support routine.

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ProductDome scorecard

How it ranks among the 107 calcium we track

4.6/ 5ProductDome scoreHigh confidence

Owner satisfaction · 56% of scorecategory median 4.6★4.7

4.7★ across 5,822 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 1,800 ratings4.7

5,822 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score4.7

3,000+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 107 calcium we track - how the scorecard works · full calcium data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Nature Made combines 500mg of calcium with vitamin D3 in a 130-tablet bottle, a gluten free formula aimed at bone support.

Vitamin D3 is included alongside the calcium because D3 supports how the body absorbs calcium, a common pairing in bone-support supplements rather than selling calcium alone.

500mg calcium with vitamin D3
130 tablets per bottle
Gluten free
Labeled for bone support

Who it's for

People wanting a combined calcium and D3 tablet for daily bone support. Not for anyone who already takes D3 separately and only needs calcium, or who wants a higher per-tablet dose.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

Calcium paired with vitamin D3
Gluten free formula
130 tablets per bottle

What to check first

Tablet form, not a capsule
No reviews included to confirm ease of swallowing

Performance notes

D3 works alongside calcium by supporting how much of it the body absorbs, which is why the two are paired here instead of selling calcium on its own. At 500mg per tablet, this is a common bone-support dose rather than a high-potency one.

Specifications

Brand	NATURE
Model	2517
Form	Tablet
Supplement Type	Calcium
Count	130
Benefits	Bone & Joint Support
Flavor	Unflavored
Diet	Gluten Free
Allergens	Gluten Free

How it compares

This product against the closest alternatives we track in calcium.

Product	Amazon rating	Ratings	ProductDome score
Nature Made Calcium 500 mg with Vitamin D3This product	4.7 / 5	5,822	4.6 / 5
Nature's Bounty Calcium Magnesium & Zinc CapletsNature's	4.7 / 5	23,000	4.6 / 5
Caltrate 600 Plus D3 Calcium and Vitamin D Supplement TabletsCaltrate	4.7 / 5	16,400	4.6 / 5
Citracal Slow Release- Calcium 1200 mg with Vitamin D3Citracal	4.7 / 5	11,909	4.6 / 5
NATURELO Calcium SupplementNATURELO	4.6 / 5	11,000	4.6 / 5

Frequently asked

Questions about the NATURE 2517

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Does this include vitamin D3?

Yes, 500mg of calcium is paired with vitamin D3 in each tablet.

Is it gluten free?

Yes.

How many tablets are in the bottle?

130 tablets.