There's a moment every competitive soccer player knows. You're in the 80th minute of a brutal match — lungs burning, legs like concrete, and the mental sharpness you had in the first half is somewhere you can't get back to. Your press triggers break down. Your sprint off the ball is half a step late. You misread a pass you'd have read easily twenty minutes ago. Now imagine a root vegetable — grown in soil, not a lab — that works on the exact biochemical mechanisms responsibl