Add cognition support to your daily routine.
‡ Magnesium also supports muscle relaxation, nerve, heart and bone health.†. Nature Made Magnesium L-Threonate With Vitamins C & D3 That's a great start to your day.Nature Made® Magnesium L-Threonate with Vitamins C & D3 was clinically studied to help support healthy cognitive function, including short-term memory.