
PetroFit
Executive Performance · Energy Industry
Your annual physical says you're fine. Your body disagrees.
The bloodwork markers worth knowing if you're a man over 40 in a high-stress role — what each one means, why it matters, and the checklist to take to your next appointment.
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Lab Requisition / Executive
5 pp
The Executive Bloodwork Checklist
Read your labs like a dashboard
+ Draw prep · Doctor questions · Next steps
The Problem
Most panels check about 20 markers. That isn't enough.
Built to catch disease
Standard panels are designed to flag illness — not to explain why you're tired, gaining weight or sleeping badly.
Normal isn't optimal
Lab ranges come from the general population. You can sit at the edge of "normal" and still feel terrible.
The silent ones get missed
Some of the most important heart risk markers are ones most men have never had checked. Not once.
Low energy, weight gain and poor sleep are lagging indicators. By the time you notice them, something has been building for months. Bloodwork is your leading indicator.
What's Inside
Six systems. One checklist.
For each area: what it covers, why it matters, the signs it may be off, and what tends to move it. Plain English, built for men who already read dashboards for a living.
Energy & Hormones
Why a "normal" testosterone number can still leave you feeling flat — and the marker that explains it.
Metabolic Health
Glucose is often the last number to move. The playbook shows what changes years earlier.
Heart Health
Your basic cholesterol panel only tells part of the story. Here's what fills in the rest.
Inflammation & Stress
Your body's check engine light — and why wired-but-tired at 2am shows up in your labs.
Fuel & Recovery
Small numbers with a big impact on energy, focus, mood and sleep. Test first, don't guess.
Organ Function
The baseline safety checks — and how they reflect what you're putting into your body.
The Checklist
A tick-box list of every marker to bring to your next appointment. Anything unchecked is a gap.
7-Step Draw Prep
Simple steps that make your numbers far more accurate — including one supplement that can skew results.
6 Questions For Your Doctor
Exactly what to ask so you leave with real numbers, not just "everything looks fine."
The Rule
"One test is a snapshot. Two is a trend. Run a baseline, make changes, then retest in 3 to 6 months. That's your quarterly business review for your body."
— From The Executive Bloodwork Checklist
Built By
Nick Burns
Founder · PetroFit Coaching
PetroFit is a 6-month executive performance coaching program built for senior leaders in the energy industry — nutrition, training, sleep, stress and recovery as one system, calibrated to your numbers.
As a former data scientist, I don't guess. Neither should you.
You wouldn't run a business without looking at the numbers. Don't run your body that way either.
This checklist is where you start.
Before Your Next Appointment
Stop asking if you're normal. Start asking where you fall.
Enter your details and The Executive Bloodwork Checklist downloads straight to your device.
For educational purposes only and not medical advice. Talk with your doctor about which tests are right for you.