Creatinine Is Muscle, Not Kidney Damage

What does creatine actually do? Early research suggests it isn't really a muscle supplement at all. It's an energy supplement, and your immune cells run on the same fuel. Per iScience (2026): better-fuelled immune scout cells did more work in the lab. Early days, mice and cells in a dish, but the mechanism is real. #creatine #supplements #immunehealth #atp #TFCHealth