Magnesium L-Threonate Plant-Based 3 in 1 Powered by Magbrain® Magnesium…

Our verdict

Magnesium L-Threonate Plant-Based 3 in 1 Powered by Magbrain®… works out to $0.26 per serving of magnesium l-threonate, at 420mg per serving in capsule form. That puts it below the median of the 15 magnesium l-threonate products we can price per dose, where the typical serving costs $0.34, a Value Index of 1.3 where the median product is 1.0. One container lasts 90 days at the label dose of 1 serving a day, about $7.66 a month. We could not verify a third-party certification for KAPPA NUTRITION in a public registry. Worked out from the current retail price as of 2026-11-13; confirm the live price on Amazon.com before buying.