NAF Vitamin E & Selenium PlusNAF Vitamin E & Selenium Plus Supports muscle function particularly in the performance horse. Very useful in geographical areas where the soil is likely to be selenium deficient. Contains selenium yeast, safer to use than inorganic forms. Vitamin E can have beneficial effects on the horse's performance, due to its support of oxygen delivery to the lungs. Composition Dextrose, Soya flour (heat treated), Brewers' yeast, Rapeseed oil. To see more from