What s the difference between Medifast 55 and Medifast 70 Shakes?

Medifast 55 Shakes have 90 calories and 11g of protein. Medifast 70 Shakes have 100 calories and 14g of protein. Medifast 55 Shakes are recommended for women. Medifast 70 Shakes are recommended for men and for women who are active or prefer a higher protein count.