Studio : Doctor's Best Publisher : Doctor's Best Binding : Health and Beauty Product Description Doctor's Best Phosphatidylserine provides the vital brain nutrient phosphatidylserine (PS) in a matrix of other phospholipids. PS is a building block for the brain’s nerve cell connections (synapses).* More than 30 double-blind clinical trials document the benefits of PS for memory, learning, and other cognitive functions. PS also helped in coping with mental and physical stress.* 0
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