Magnesium Price Per Serving: A Label-Based Calculation

Calculate price per stated serving first, then check whether the elemental amount makes the result comparable.

Start with the package calculation

Divide the package price by stated servings to get price per serving. Then multiply elemental magnesium per serving by the serving count to find the total declared amount. A second calculation—price per gram of elemental magnesium—can make different serving sizes easier to compare, provided the label discloses the necessary values.

Build the price denominator

Start with the current package price, then use the label’s stated servings or declared active amount to create one transparent denominator. If either side of the calculation is missing, report package price only rather than inventing a normalized value.

The comparison unit for this category is one stated serving or the category-specific declared amount.

What this guide compares

Read the product label before comparing a headline claim. This guide focuses on package price, stated servings, elemental magnesium per serving, 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.