Guides & Comparisons / Magnesium guides
How Much Magnesium Is in a Serving? Elemental Magnesium Explained
The compound name is not the same as the elemental-magnesium amount used for a like-for-like comparison.By Suppscan Editorial Team · Last checked September 22, 2026The compound name is not the same as the elemental-magnesium amount used for a like-for-like comparison.
Find the elemental line
A product may name magnesium glycinate, citrate, oxide, or another compound. For a comparable calculation, use the declared elemental magnesium amount per serving. Keep the named form visible as separate information, then multiply elemental milligrams by stated servings to estimate total declared elemental magnesium.
| Label item | Comparison use |
|---|---|
| Magnesium form | Describes the named compound. |
| Elemental magnesium | Provides the comparable active amount. |
| Servings | Provides the package denominator. |
What this guide compares
Read the product label before comparing a headline claim. This guide focuses on elemental magnesium per serving, named form, serving count, and price per gram of declared elemental magnesium. Use the stated numbers and leave any undisclosed value unknown.
How to compare the same unit
For a worked example only, a $20 package with 60 servings of 200 mg declared elemental magnesium contains 12 g of elemental magnesium. Its cost is about $1.67 per gram of elemental magnesium. This is a comparison calculation, not nutrition advice.
Keep price and formulation separate
A package price is a useful starting point, but it does not describe the full formula. Compare the ingredient information and package size first, then use one common calculation to make the cost easier to understand.
Use current SuppScan data
SuppScan presents the product data available in its catalog and does not manufacture missing values. Open the Magnesium comparison to review current offers and normalized metrics.
Frequently asked questions
What should I compare first?
Start with the declared active amount and serving information. A front-label phrase cannot replace the values in the product facts panel.
Does this page rank products?
No. It explains a comparison method and links to current catalog data rather than claiming a permanent winner.
Sources and review
Method: declared manufacturer label data and current merchant listings where available. Worked prices are explicitly illustrative calculations, never live quotes. Last reviewed September 22, 2026. Read how Suppscan compares products.
Current products tracked by SuppScan
Live catalog snapshot: package prices and disclosed metrics currently available for this category. Missing metrics stay blank.