Your favourite chocolate bar just went high-protein! Mars HiProtein is packed with a whopping 20g of protein per bar to help you grow and maintain muscle mass but has that same iconic Mars bar taste you know and love! Perfect as an on-the-go protein boost at any time of the day, Mars HiProtein Bar is also the ideal snack after exercise to support your nutrition and training goals. Your favourite chocolate bar just went high-protein! Mars HiProtein is packed with a whopping 20g of protein per bar to help you grow and maintain muscle mass but has that same iconic Mars bar taste you know and love! Perfect as an on-the-go protein boost at any time of the day, Mars HiProtein Bar is also the ideal snack after exercise to support your nutrition and training goals. Great on-the-go as part of a high-protein diet. 20g of protein per bar to help support the growth and maintenance of muscle. Iconic Mars bar The Mars HiProtein bar is a delicious Mars bar with 20g of protein. Read more about the Mars HiProtein.