Magnesium L-threonate is a supplement containing the L-threonate form of magnesium. A 2022 study found that magnesium L-threonate improves memory, learning, cognitive abilities, and recall.

22, 2025 /PRNewswire/ -- Sports Research, a leading health and wellness brand, is thrilled to announce the launch of its highly anticipated Magtein® Magnesium L-Threonate in all Costco clubs ...