Related Articles
Life Extension
Life Extension's paradox: quality-control muscle, request-only proof, and a cleaned-up regulatory trail
Beta-Alanine
You swallow the scoop and, within minutes, your skin prickles. The odd thing about beta-alanine is that you can feel it today—but its real work shows up weeks...
Calcium
In 1808, a young Humphry Davy hooked his new battery to a paste of "lime," boiled off the mercury, and—against all expectations—pulled a silvery metal from...
Creatine
A French chemist boiled beef in the 1830s and pulled out a crystal he named after κρέας—meat. Nearly two centuries later, the same molecule is helping...
L-Isoleucine
You swirl a post-workout shake, thinking about muscle recovery, when a quieter story unfolds inside your body: a single amino acid that can nudge blood sugar...
L-Leucine
A French chemist once boiled wool and "petrified cheese" and found a gleaming white crystal. Two centuries later, that same crystal—L-leucine—can tell your...