Amino acid hope: could L-Serine boost brain health in depressed seniors?

This study tests whether taking L-serine, a natural amino acid supplement, can improve memory, thinking, and mood in older adults (ages 65-85) with late-life depression. Half of the 84 participants will receive L-serine daily for 48 weeks, while the other half receives a placebo. Researchers will track changes in depression, cognitive function, and brain activity to see if the supplement offers any benefit.