5 forms8 uses with evidence behind them

Which magnesium should you take?

It depends entirely on what you want it for — and the form sold at a premium is often not the one the trials used. Here is every form we carry, what each was actually tested for, and the dose that was tested.

Start with what you want it for

Each row is one reason people take magnesium, and the form that actually has the evidence for it.

For poor sleep qualityMagnesium Glycinate · trials used 300400 mg
Strong
For insomniaMagnesium Glycinate · trials used 300400 mg
Strong
For irregular digestionMagnesium Citrate · trials used 5002000 mg
Solid

Also sold for this, without evidence we can stand behind: Magnesium Glycinate.

For headaches/migrainesMagnesium Oxide · trials used 400600 mg
Solid

Also sold for this, without evidence we can stand behind: Magnesium Glycinate.

For high blood pressureMagnesium Glycinate · trials used 300500 mg
Solid
For brain fogMagnesium L-Threonate · trials used 10002000 mg
Solid
For back painMagnesium Oxide · trials used 300400 mg
Solid

Also sold for this, without evidence we can stand behind: Magnesium Glycinate.

For anxietyMagnesium Glycinate · trials used 200400 mg
Solid

Sold for these too — with less behind it

Weaker evidence, conflicting results, or a claim we could not verify. The page for each says which.

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