What is Be Your Best? Be Your Best is an awesome blend of vitamins designed for active women looking to boost their multivitamin intake to support their physical and dietary needs. Why use Be Your Best? This impressive blend of micronutrients including vitamins C, E and D contribute to the normal functioning of the immune system following intense exercise. These vitamins, along with the other potent mineral ingredients contribute to the normal function of the cardiovascular, respiratory and muscular systems whilst you sweat it out. These comprehensive ingredients are scientifically designed to help improve recovery time and avoid you becoming prematurely fatigued during exercise.