English

The Effect of Plant Phosphatidylserine of Age - Associated Memory Impairment and Mood in the Functioning Elderly

This double-blind study assessed the influence of plant phosphatidylserine (PS) product on memory and mood in functioning elderly, aged 60-80 years old, and living in the community. Seventy-two subjects, randomly assigned to placebo and therapy groups, were treated for three months with 300 mg, PS daily. Results showed a large and statistically significant positive influence of treatment on both memory and mood, whereas influence of placebo was small and non-significant. This influence was stronger with higher pretreatment memory scores. Components of memory and cognition that were most improved by the treatment included memorizing information, visual memory, and memorizing numbers. Mood was also influenced. Winter mood changes ("Winter Blues") did develop in the placebo group but were entirely blocked in those treated with plant PS.

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