Compare elemental magnesium, not the weight of the whole compound. Different serving sizes can hide a different amount.
Enter a full-pack price for each product in the same currency. Results use that currency, exclude shipping and tax unless you include them, and are calculated only in your browser. These are comparison units, not recommended doses.
180 tablets
Use the same currency for every product.
Label record: 2026-09-09. Source & limitations
120 vegetarian capsules
Use the same currency for every product.
Label record: 2026-09-09. Source & limitations
120 tablets
Use the same currency for every product.
Label record: 2026-09-09. Source & limitations
Cost per labelled serving = pack price ÷ labelled servings. Cost per comparison amount = pack price ÷ (labelled servings × declared ingredient amount per serving) × comparison amount.
For example, a hypothetical price of 24 for 90 servings of 200 mg gives 0.13 per 100 mg, rounded to two decimals. Calculations inherit any uncertainty in the original label; an approximate serving count produces an approximate result. Equal ingredient quantities do not establish equal absorption, quality or suitability.
Published label differences and arithmetic using your prices. It cannot establish purity, effectiveness, absorption or personal suitability. Selected examples, not a ranked list or complete market survey. How products are selected.
The citrate example lists 400 mg per three capsules; the other two examples list 200 mg per two tablets. A lower cost per serving alone does not mean a lower cost per equal amount of magnesium.
The source records were last checked on 9 September 2026. This interface update does not represent a fresh manufacturer-label review. Check the current pack before buying.
Read the magnesium label guideNo laboratory or medical review by NutraRadar. Certification status has not been verified for these exact product records. No active affiliate partnerships in this edition. Disclosure.