What to test before you start, what to watch while you're on, and what to check after. Written straight, sourced on every page. No doses, no protocols, no judgement.
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FreeBuilt on the J3U framework I'm certified in and the physiology textbooks I coach from, with page references on every page.





Test before anything changes. Without a starting point nobody can tell you what's moved, or how fast.
Rested, fasted, hydrated, same lab every time. Half the scary results I see are bad sampling, not bad health.
One number is a snapshot. Plot it over time, and anything outside range goes to your GP, not a forum.
I started as a 130 lb skinny kid who'd watched too many Arnold films. I've been training since 2008 and competing in Classic Physique, and my day job is root-cause analysis on safety-critical systems in the nuclear industry. I coach physiques the same way: look, collect clean data, change one thing, measure what it did.