@DoctorTro Yes they do. If maintenance of a perfect diet of protein and fat is 2500 calories and I up that same perfect diet to 3500 calories. You will gain weight.
@JimStoppani which of your products do you recommend for a female college track athlete on race day who has a mile race and a 1000m race about 1.5-2 hrs apart? morning of, between races (I'm guessing Post Jym Fast-Digesting Carb), and post final race?