To optimise the results of MYOSTEM MASS, it is important to eat a diet rich in carbohydrates and to administer the product in the hours after exercise so that it has been assimilated at the time of protein synthesis. If the horse does little or no work, prefer BO YEAS ACT ULTRA. On the other hand, for intensive needs, MYOSTEM MASS and BO YEAS ACT ULTRA can be combined.