Phosphatidylserine Phosphatidylserine, a natural way to supplement your diet and support brain function. Isolated from soy lecithin, a natural substance that has a long history of safe use in foods, lecithin is a predominant source of phospholipids, a vital component of cell membranes. Phosphatidylserine appears to play an important role in the function of brain cells, including neurotransmitter function and synaptic communication.
Bronson's Phosphatidylserine is made with LECI-PST, the highest-quality phosphatidylserine available in concentrated form.
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