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Phosphatidyl Serine from Higher NatureOne of the most important nutritional discoveries of the century. More than 42 scientific studies have already been undertaken, showing that Phosphatidyl Serine helps maintain brain function for studying or completing tasks requiring concentration.Phosphatidyl Serine is made from Soya - (may take 4 to 8 weeks for full impact).Prices21 capsules £19.0030 capsules £26.0045 capsules £38.0030 vegetarian capsules £26.0060 vegetarian capsules £49.00 |