Nature's Way
High Strength Magnesium 600 mg.
300 tablets. Compared per 1 tablet.
Label and price checked 23 October 2026.
Already elemental magnesium
per 1 tablet
Stated on published label
per 1 tablet
Elemental magnesium
from a $26.99 pack
Read the stated amount.
Per tablet: magnesium oxide 500 mg equivalent to 301.6 mg magnesium; phosphate pentahydrate 80 mg equivalent to 16.5 mg; amino acid chelate 10 mg equivalent to 2 mg; citrate 10 mg equivalent to 1.55 mg. Total elemental magnesium 321.65 mg.
This entry already quotes elemental magnesium. It is used directly, with no second conversion.
The 600 mg in the name totals four compound weights, not elemental magnesium. The listed total is 321.65 mg elemental magnesium per tablet.
$26.99 ÷ (300 units ÷ 1 units × 321.65 mg) × 100 mg
= $0.03 per 100 mg
What this tells you.
These numbers compare published pack and label figures. They do not establish absorption, effectiveness or suitability for you. The comparison unit is not a suggested dose.
Shipping and conditional discounts are excluded. Prices can change. Check the retailer’s current label, warnings and pack before buying.