Protein Inn is a new sports nutrition brand that offers a wide range of products to help athletes reach their fitness goals. The brand has a line of protein powders, shakes, and bars that are designed to meet the needs of athletes at all levels.The Protein Inn brand offers a variety of products to help athletes with their fitness goals. The brand has a line of protein powders, shakes, and bars that are designed to meet the needs of athletes at all levels. The products are made with high-quality ingredients and are designed to help athletes build muscle, recover from training, and perform their best.