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Caltrate 600+D3
Caltrate$14.99
✓Generic Worth ItSave 20%
70%confidence
198votes
✓Verified Apr 2026
Generic Alternative
Kirkland Signature Calcium 600mg + D3
Kirkland Signature
Costco
$11.99139
Same Quality
40
Close Enough
19
Not Worth It
Evidence (1)
Ingredients✓ Confirmedby adminApr 6, 2026
Kirkland Signature Calcium 600mg + D3 contains the same active ingredients (calcium carbonate 600mg, vitamin D3 800IU) as Caltrate 600+D3. USP-verified supplement. No meaningful difference between branded and store-brand calcium supplements.
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