Forever F15 – Choose your fitness level! New to fitness and nutrition? Start with F15 Beginner 1 & 2 to learn the basics and get the fundamentals of fitness and nutrition down before continuing on your journey. Already moderately active? Jump ahead to F15 Intermediate 1 & 2 to continue what youÃâÃâÃÂ¢Ã¢â¬Å¡ÃÂ¢Ã¢â¬Å¡ÃÂ¬Ã¢â¬Å¡ÃÂ¢Ã¢â¬Å¾ÃÂ¢re doing and complement your lifestyle! Already very active? Then, jump right into F15 Advanced 1 & 2 to create greater muscle definition and take your fitness to a whole new level.