Best time to take Magnesium L-Threonate

Written to our editorial standards · reviewed against published research· Updated 2 Jun 2026
Evening

Take magnesium L-threonate in the evening; it is the form marketed for the brain.

Threonate is promoted for cognition because it may raise magnesium levels in the brain, and like other magnesium forms it is calming, which suits the end of the day. The dose is split across several capsules to deliver the studied amount.

When
Take in the evening
With food?
With or without food
Typical dose
2000 mg (144 mg elemental)
How to take it

Take the labelled dose (often three capsules supplying around 140 to 145 mg elemental magnesium) in the evening. With or without food is fine.

Watch out

Taking it earlier is unnecessary and the calming effect is better used at night.

Full guide
Magnesium L-Threonate: benefits, dose & evidence
Read the ingredient guide →

Common questions

When is the best time to take Magnesium L-Threonate?
Take magnesium L-threonate in the evening; it is the form marketed for the brain. Take the labelled dose (often three capsules supplying around 140 to 145 mg elemental magnesium) in the evening. With or without food is fine.
Should I take Magnesium L-Threonate with or without food?
With or without food. Threonate is promoted for cognition because it may raise magnesium levels in the brain, and like other magnesium forms it is calming, which suits the end of the day. The dose is split across several capsules to deliver the studied amount.
Anything to watch out for with Magnesium L-Threonate timing?
Taking it earlier is unnecessary and the calming effect is better used at night.

Explore further

Magnesium L-Threonate interactions

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Educational use only, not medical advice. The right timing and dose depend on your health, your other supplements, and any medications. Always consult a qualified clinician, especially if you take prescription drugs or are pregnant or nursing.