CARTERˣ — Field Notes
News
Notes, protocols and editorials from the lab. Long reads on training, recovery, and the science behind every system.
ingredient-science
Whey Protein Isolate vs Concentrate: Why Purity Matters
Concentrate and isolate look similar on the front of the tub. They are not the same product. The processing difference shows up in protein...
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.