Ace your supplement ritual with Mag LT™ (Magnesium L-threonate) from Sports Research®. Made with Magtein®, a patented compound developed by researchers at MIT, it’s the only form of magnesium that effectively crosses the blood-brain barrier and increases magnesium levels in the brain critical for improving cognitive function.*
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I've been a SR customer for a long time. I like their new packaging. Hugh quality products that are frequently 3rd party reviewed.
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Demigod · June 30, 2026
Love everything ❤️
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Daniel · June 18, 2026
I am able to asleep within minutes of going to bed. I take the magnesium l threonate about an hour before going to bed. Great product.