Part two digs into supplement periodization and how different training phases may call for different support strategies. It is a more advanced conversation for coaches and serious lifters.

The vault opens with a lost interview featuring Dr. Eric Serrano on growth hormone, nutrition, and performance support. Expect deeper discussion than the usual surface-level fitness Q&A.

Part 1 of this Serrano interview digs into overtraining, stress, cortisol, and how coaches can think beyond the obvious training variables.