5-HTP: The serotonin booster for cognition in old age

Can a dietary supplement measurably improve cognitive ageing processes? When 5-HTP is useful – and when caution is needed due to interactions. A randomized study shows: 5-HTP increases serotonin levels, improves MoCA scores and alleviates depressive symptoms in older people. The article evaluates the evidence, limitations and practical application in the prevention of cognitive decline.