Nature's Bounty Calcium Carbonate & Vitamin D, 250 Tablets

Supplement facts

Ingredient	Amount per serving	% daily value
Vitamin D	20 mcg	100%
Calcium	600 mg	48%

Directions: For adults, take one (1) tablet up to twice daily, preferably with meals.

Label data from the Dietary Supplement Label Database.

Label data as of 10 Sep 2026

89 / 100Excellent

This is a practical one-tablet calcium carbonate formula with a meaningful vitamin D cofactor, provided it is taken with food.

Scoring criteria

Quantity
100 / 100
One tablet supplies 600 mg of calcium, a reasonable supplemental amount for general adult maintenance.
Form
75 / 100
Calcium carbonate is an established ordinary calcium form whose use with a meal supports its food-dependent absorption.
Convenience
100 / 100
One tablet daily is a reasonable maintenance routine, and the 250-tablet package states its tablet count.
Label accuracy
100 / 100
The quantified calcium and vitamin D amounts are internally consistent with the matched FDA label.
Purity
75 / 100
The label identifies ordinary excipients without providing product-specific evidence that would support a higher or lower purity mark.
Cofactors
75 / 100
The declared 20 mcg of vitamin D has an established complementary role in calcium utilization and bone health.