Puneet Rao | Fitness Simplified on Instagram: "Fat gain, muscle loss, joint pain, less energy post 40-50? Most people start losing muscle quietly after 40. By 50, it’s around 1-2% loss every year, not because you stopped working hard, but because your body’s ability to build muscle slows down. That’s sarcopenia, the age-related decline in muscle mass and strength. Here’s the best part: You can slow it down (or even reverse it) with enough protein and resistance training. 💪 Science says: - Muscl