, high strength one-a-day tablets., taste-free coated tablets, a highly absorbed form, convenient easy to swallow tabletsnature’s best® provides 200µg in each one-a-day tablet. we use a combination of two well researched forms of selenium; selenomethionine & selenite. you’ll find that all nature’s best® high potency multi’s such as mutit-max® advance contain 200µg of selenium whereas the typical high street a-z multi often contains very little of this important nutrient (but just enough to get them on the label!).selenium is an essential nutrient used by the body to make antioxidant enzymes whose role is to neutralise ‘free radicals’ the unstable chemicals which in excess can damage cells. it’s no wonder that selenium is now one of the top selling supplements in the uk.dietary intakes of selenium have fallen in recent years & official figures show that selenium intake for 8 of 10 adults in the uk is now below the nutrient reference value (nrv) level. this is because the selenium content of foods has become depleted by processing & refining which removes much of this essential mineral from our daily diet.