Downloadable mobile applications for for tracking fitness activities and managing weight loss; Downloadable mobile applications for tracking, logging, and analyzing dietary intake, physical activity, and weight; Downloadable mobile applications for providing information on nutrition, health, and exercise; Downloadable software in the nature of a mobile application for recording, calculating, and analyzing fitness activities, calorie intake, and weight loss progress; Downloadable mobile applications for food logging and dietary tracking; Downloadable mobile applications for streaming live and pre-recorded audio and video content in the field of physical training, exercise, and fitness; Downloadable mobile applications for providing electronic communication, namely, transmission of audio, video, and text messages between users, nutritionists, and health professionals; Downloadable mobile applications for instant messaging, video chatting, and facilitating live virtual sessions in the fields of health, wellness, and nutrition; Downloadable mobile applications for social networking and interactive chat in the fields of fitness, nutrition, and weight loss; Downloadable computer application software for mobile phones, namely, software for processing electronic business transactions and allowing users to purchase health and fitness goods; Downloadable mobile applications for facilitating electronic commerce transactions and providing access to an online retail store featuring nutritional supplements and dietary supplements