unique formula supports cognitive function/mental performance,the full 6000mg top quality ginkgo per 2 tablets,with rosemary, sage and lemon balm extracts,select b vitamins - b1*, b12* and b5* & the mineral iodinetwo tablets of refreshall provide the full 6000mg of top quality ginkgo that studies have confirmed as an effective dose for helping to maintain a healthy circulation to the brain. more than just ginkgo; refreshall has been specially formulated to include rosemary, sage and lemon balm extracts, all of which may help maintain memory. our experts have carefully selected these particular herbs as they are believed to work in different ways from ginkgo to optimise refreshall\'s effect. aside from these herbs the formula boasts a decent level of iodine, a trace mineral known for its role in normal cognitive and neurological function. and if this wasn\'t enough, three important b vitamins are featured; vitamin b1 for normal psychological function, b5 for its role in normal mental performance and b12 for normal neurological and psychological functions. as with all our ginkgo products we use the highest grade material available for this formula, a grade that we believe is not used by any other company in the uk.