Home Vitamins and minerals Vitamins and minerals Horse health week: why vitamins and minerals are essential The cornerstone of good nutrition is a balanced diet. Clare MacLeod MSc RNutr, independent equine nutritionist, explains why vitamins and minerals are essential Understanding selenium Selenium plays an important role in the horse's system, but can be toxic if fed in excess, so care must be taken with this essential trace element Understanding B-vitamins Horse & Hound explains why many competition and racehorse supplements promote the use of B-vitamins to help enhance performance What are "bioplex" minerals? Minerals are an essential component of a horse's diet, playing a vital role in many of the body's functions, as Dodson & Horrell's nutritionist explains The importance of B-vitamins A mysterious lack of energy could be due to a deficiency in B-vitamins, says Horse & Hound's nutrition expert HHO's guide to B vitamins HHO, in association with HORSE magazine, brings you a guide to help you understand the vitally important B vitamin family Q&A: What is biotin? Expert advice from HORSE magazine on feeding biotin for healthy hooves Q&A: Coping with feed deficiency Expert advice from HORSE magazine on identifying and curing feed deficiencies Q&A: Understanding selenium deficiency Expert advice from HORSE magazine on the importance of including small amounts of selenium in diets