Magnesium, capsules

Magnesium capsules

747 magnesium products in the NIH label database come as capsules (5% of the 15,088 magnesium products); their median is 200 mg of magnesium per serving, against 86 mg across all magnesium products; the 388 whose only supplement ingredient is magnesium list a median of 200 mg (DSLD version 9.4.0, January 2026).

Products
747583 on the market
Median magnesium per serving
200 mgall magnesium products: 86 mg
Share of magnesium products
5%747 of 15,088

What else do these products contain?

Ingredients most often listed alongside it, with the median amount in these products and in all products
IngredientShare of these productsMedian hereMedian, all products
Calcium16% 500 mg115 mg
Vitamin D10% 10 mcg15 mcg
Potassium7% 99 mg99 mg
Malic Acid5% 350 mg588 mg
Zinc4% 10.75 mg11 mg
Vitamin B64% 10 mg6 mg
Vitamin C3% 30 mg100 mg
Boron3% 1.5 mg1 mg
Black Pepper2% 5 mg5 mg
Vitamin K1% 67.5 mcg80 mcg

Which products are they?

60 of the 747: on-market products first, the newest label first.

Source: NIH ODS Dietary Supplement Label Database version 9.4.0; the label's physical form. Daily Values: the FDA's Daily Value page.

Which brands make them?

Bluebonnet (24), Kirkman (13), Swanson (12), NOW (12), Solaray (12), Douglas Laboratories (10), The Vitamin Shoppe (10), BulkSupplements.com (10), Pure Encapsulations (10), GNC (9).

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