ACADEMY OF FITNESS COACHING

Lactate has carried an unfair reputation for decades. Many athletes still think of it as the stuff that makes legs burn and performance collapse. The research tells a different story. Lactate is not simply a waste product. It is a usable fuel (providing 4kcals per gram), a signalling molecule, and a way for the body to move energy between tissues during hard work. That shift in understanding has raised a practical question for endurance sport and high-intensity performance: i