Blackmores
Sleep Sound Magnesium.
187.5 g powder. Compared per 7.5 g powder.
Label and price checked 22 October 2026.
Already elemental magnesium
per 7.5 g powder
Stated on published label
per 7.5 g powder
Elemental magnesium
from a $44.99 pack
Read the stated amount.
Per 7.5 g: citrate equivalent 296 mg; glycinate equivalent 24 mg; total magnesium 320 mg.
This entry already quotes elemental magnesium. It is used directly, with no second conversion.
The product name is reproduced, not an endorsement of sleep claims.
$44.99 ÷ (187.5 g ÷ 7.5 g × 320 mg) × 100 mg
= $0.56 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.