Yes, there is a difference in phosphorus levels between animal protein intake and plant protein consumption. Animal-based proteins tend to have higher phosphorus bioavailability, meaning a greater percentage of the phosphorus in these foods is absorbed by the body. Studies suggest that animal-based phosphorus bioavailability is typically between 40-60%, while plant-based phosphorus bioavailability is lower, ranging from 20-50%. For individuals with Chronic Kidney Disease or other kidney issues, this difference is significant, as it highlights the importance of choosing plant-based protein sources with lower phosphorus content to manage their condition effectively and reduce stress on the kidneys. A regular diet with animal protein as the major dietary protein source can have adverse effects such as hyperphosphatemia among patients with CKD.