Alright i found the answer figured i would post it. Fermentation is the way of processing that they use to isolate l-luecine from corn. It is also german sourced so it not spiked with a bunch of chinese waste chemicals. Will be purchasing this.
Heres a FYI from an allmax rep to that i had no idea about.
BEWARE OF YOUR SOURCE: While ALLMAX provides you with the ultimate in high-grade ingredients, there are other cheaper ways to get your . Most LEUCINE, frequently of Chinese , comes to you from a source of HUMAN HAIR (typically from barber shop floor waste), DUCK feathers – or both.