Reports have highlighted various protein powders as top recommendations, with some outlets focusing on lactose-free, vegan, or dairy-free options. The number of top-rated protein powders varies across outlets, ranging from 5 to 10, and some reports specify that the recommendations are based on testing and review by dietitians or experts. The criteria for evaluation and selection of the best protein powders also differ, with some emphasizing performance, purity, and suitability for specific groups such as women or those seeking plant-powered options.