CARTERˣ — Field Notes
News
Notes, protocols and editorials from the lab. Long reads on training, recovery, and the science behind every system.
bcaa
The Workout Window: Pre, Intra, and Post Explained
Pre-workout, intra-workout, and post-workout nutrition each address a different physiological window. Understanding the difference is how you stop wasting supplements.
education
Sweat Rate and Sodium: The Hydration Science Most Athletes Miss
Most sports drinks are dosed for office workers, not athletes. Real sweat losses require real sodium. Here is the math.