Downloadable software for physical fitness instruction and training; Downloadable software for managing workout routines, learning new exercises, and viewing proper form for exercises; Downloadable software for tracking physical activity, metabolism, and physical fitness progress; Downloadable software for obtaining information in the fields of diet, nutrition, physical fitness, exercise, health, and wellness; Downloadable software for sharing information and data with other users pertaining to diet, nutrition, physical fitness, exercise, health, and wellness; Downloadable software for assisting users with weight loss and weight gain; Downloadable software for measuring dynamic water loss, heart rate, fueling capacities, and the body's readiness to expend energy; Downloadable software for calculating adenosine triphosphate (ATP) and sodium blood plasma rehydration; Downloadable software for analyzing digital input blood markers; Downloadable software for assessing the effects of metabolic syndrome; Software as a service (SAAS) services featuring software for physical fitness instruction and training; Software as a service (SAAS) services featuring software for managing workout routines, learning new exercises, and viewing proper form for exercises; Software as a service (SAAS) services featuring software for tracking physical activity, metabolism, and physical fitness progress; Software as a service (SAAS) services featuring software for obtaining information in the fields of diet, nutrition, physical fitness, exercise, health, and wellness; Software as a service (SAAS) services featuring software for sharing information and data with other users pertaining to diet, nutrition, physical fitness, exercise, health, and wellness; Software as a service (SAAS) services featuring software for assisting users with weight loss and weight gain; Software as a service (SAAS) services featuring software for measuring dynamic water loss, heart rate, fueling capacities, and the body's readiness to expend energy; Software as a service (SAAS) services featuring software for calculating adenosine triphosphate (ATP) and sodium blood plasma rehydration; Software as a service (SAAS) services featuring software for analyzing digital input blood markers; Software as a service (SAAS) services featuring software for assessing the effects of metabolic syndrome