This anabolic pathway is 10× more important than testosterone.

Transcript

Two guys, same program, same diet, one grows twice as fast. Here's why. Insulin like growth factor. Now, you may be very familiar with growth hormone. IGF-1 is actually triggered by growth hormone, but it behaves a little differently. Growth hormone is just the signal. So, this is released after training, sleep, low blood sugar. But IGF-1, this is ... Read More