The most commonly listed bone-supporting nutrients in these supplements are calcium and vitamin D. Many products also include magnesium and zinc.
Amounts vary by product. In these results calcium is listed from about 500–1,000 mg per serving, magnesium from about 200–400 mg per serving, and vitamin D is shown as 2,000 IU per serving in the available listings.
Some supplements are labeled for children (e.g., “Suggested Age: 2 Years and Up”), while many are intended for adults (commonly labeled “18 Years and Up”).
Common formulas include calcium with vitamin D, multi-mineral blends pairing calcium and magnesium (often with zinc) plus vitamin D, and multivitamins that include vitamin D and calcium among other nutrients.
Package quantities in these results vary; typical counts include 60, 100, 120, 150, and 250, with an overall range of about 60 to 250 tablets or gummies per package.