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Ingredient · Vitamin Mineral

Magnesium sulfate

Cleaner · 7/10, higher is cleaner

How we reached this

Magnesium sulfate — magnesium-fortification compound. NIH ODS essential trace element. Lower bioavailability than chelated forms.

Sources · 1

Also listed as

MAGNESIUM SULFATE.

Products containing this · 2

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-25.