SportsGlobal issuesWhy athletes need proteinTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSportsGlobal issues07/27/2023July 27, 2023Muscles are primarily made out of proteins. For humans to build muscle, we have to consume proteins through our food. People who eat a balanced diet don’t need to rely on shakes to get enough protein. https://p.dw.com/p/4UDG1Advertisement