Can high protein shakes cause high creatinine levels in the blood?

Yes, high protein shakes can potentially lead to elevated creatinine levels in the blood, particularly in individuals with pre-existing kidney conditions. Increased protein intake from shakes may place additional stress on the kidneys as they work to filter waste products from protein metabolism. However, in healthy individuals with normal kidney function, moderate protein intake is generally well-tolerated. It's essential to consult a healthcare professional if you're concerned about creatinine levels or kidney health.