MDP Fitness, LLC is a fitness business in Natchez, Mississippi, led by owner and lead trainer Fred Marsalis Jr. The company focuses on overall health, nutritional guidance, and physical fitness, with an emphasis on the process of reaching clients' goals. MDP Fitness has been recognized locally with awards including Best Place to Exercise in Natchez The Magazine and the Natchez Democrat's Best of the Miss-Lou competition in 2021, as well as Best Personal Trainer in 2024 and 2025 and Best Health & Fitness Club in 2024.