1-Month Supply PEREGRUNE engineers specifically for runners. Big supplement companies design mainstream vitamins for the masses because that is where there are the most people and sales. But runners are different. We are more active than everyday adults. We burn more calories and sweat away more nutrients. We work our muscles and joints harder. That's why Peregrune designs vitamins and supplements for the specific needs of runners. It's not luck. It's training. Product Benefits * VITAMIN B COMPLEX for ENERGY & ENDURANCE: The Vitamin B-complex is essential to the body’s energy production. Our multivitamin contains a performance level of Vitamins B1/B2 and B6/12, critical in ATP and red blood cell creation.