LAMBERTS® PHOSPHATIDYL SERINE USES THE HIGHEST QUALITY PURE PHOSPHATIDYL SERINE (PS) DERIVED FROM SOYA AND ZINC IS ALSO INCLUDED IN THE FORMULA AS THIS HAS BEEN SHOWN TO CONTRIBUTE TO NORMAL COGNITIVE FUNCTION. HIGH CONCENTRATIONS OF PS ARE FOUND IN BRAIN AND NERVE CELL MEMBRANES AND MAINTAINING THESE DELICATE STRUCTURES IS ESSENTIAL FOR NORMAL NEUROTRANSMISSION. UNFORTUNATELY MODERN DIETS ESPECIALLY THAT OF THE LOW FAT OR VEGAN TYPE HAVE RELATIVELY LOW PS LEVELS. CONSUMPTION IS THOUGHT TO HAVE DROPPED FROM AN AVERAGE 250MG TO BETWEEN 100-180MG DAILY. THIS PRODUCT IS MADE IN THE UK TO PHARMACEUTICAL GMP STANDARDS AND THE SMALL TABLETS ARE COATED TO MAKE THEM TASTE FREE AND EASY TO SWALLOW. Vegan & vegetarian