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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...
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You pick up a tub labeled BCAAs expecting a shortcut to recovery. Meanwhile, somewhere in a mouse lab, scientists starved bone marrow of one of those same...
Vitamin B12 (cobalamin)
In clinics a century ago, pernicious anemia was a quiet death sentence—until raw liver, of all things, pulled patients back from the brink. Today, the same...