Show Quick Read Key points generated by AI, verified by newsroom Protein Maxxing prioritizes high protein for weight loss and muscle. Experts warn excessive protein intake can strain kidneys. So, let's explore what Proteinmaxxing is and how valid the trend of consuming more protein is. Especially those with pre-existing kidney disease are advised to limit their protein intake. Researchers Bailey A. Knopf and Dudley W. Lamming argue that, in certain situations, lowering protein intake may be beneficial for metabolic health, longevity, and healthy aging.