Blackmores
Magnesium 100 Tablets.
100 tablets. Compared per 1 tablet.
Label and price checked 23 October 2026.
Magnesium compound weight
per 1 tablet
Stated on published label
per 1 tablet
Elemental magnesium
from a $20.99 pack
Read the stated amount.
Per tablet: magnesium citrate 970.8 mg, equivalent magnesium 150 mg.
The compound weight includes magnesium plus the rest of the compound. The elemental number above is the amount used for comparison.
This 100-tablet retailer pack states 970.8 mg magnesium citrate, equivalent to 150 mg magnesium, per tablet.
$20.99 ÷ (100 units ÷ 1 units × 150 mg) × 100 mg
= $0.14 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.