A clear guide to calcium supplements for osteoporosis: when they are needed, carbonate versus citrate, dosing, and timing around other medicines.

Which foods supply usable calcium for osteoporosis, which look high but fall short, and how to reach a daily target of around 1,000 mg.

Calcium absorption depends on vitamin D, magnesium, vitamin K2 and more. Learn which nutrients support bone health and where diet or testing fits in.

A vegan or dairy-free diet rarely meets the 1,000 mg calcium target by default. If you have osteoporosis or osteopenia, here are the foods that contribute meaningfully and where absorption falls short.