Equine Relax contains the full range of actives that can be low in the horse’s diet. It contains Vitamin B1 and Vitamin E, both these vitamins can help nervous horses to settle, as well as being advantageous for muscle problems. It also contains Magnesium, some horses may suffer from a lack of available magnesium in their diets and these horses become hypersensitive, even in their normal stable environment. It contains the amino acid L-Tryptophan which has a calming effect on horses. When fed in high doses Tryptophan is converted by the body to a natural sedative. In humans it has been used to treat insomnia. Equine Relax can be used right up to and during competition as it contains no prohibited substances. It does not reduce performance.