Undigested calcium tablet in stool?

Hello everyone!

Since last year I started taking a multivitamin and a calcium+magnesium supplement.

Yesterday and today I found the hole pill of calcium in my stool.

It is intact, inside and out. My question is, I am wasting money or the calcium and magnesium were absorbed? Should I change the brand?

Thank you

Undigested calcium tablet in stool?
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