They want it to be your decision and at the right time for you
Pajak B, Siwiak E, Sotyka M, Priebe A, Zieliski R, Fokt I, Ziemniak M, Jakiewicz A, Borowski R, Domoradzki T, Priebe W (2019) 2-Deoxy-d-glucose and its analogs: from diagnostic to therapeutic agents
The dude in the video who looks like the final boss in a Dragon Ball Z episode, Nylen Nayga, clearly knows what hes doing, considering his absurdly muscular frame (and yes, hes a professional bodybuilder)
Most patients notice the earliest changes during training: steadier output, fewer moments where their legs feel heavier than they should, and a sense that they can stay in the work without dipping into the familiar slump that usually hits halfway through a session