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Part 2.0 — Medical Screening & Monitoring

15 min read

This is Part 2 of 5 in the Performance Enhancement Series — the "Tier 3" continuation of the Fitness Series' Pharmacology chapter. The full path:

Table of Contents

Framing

This article describes the bloodwork and health monitoring an enhanced athlete should have. It exists so the trade described in Part 1 — spending “Healthy” to buy “Fit” — can at least be measured and managed. It is not medical advice. Interpret results with a physician, ideally one who knows what you are running.

Why you screen before you inject

The premise of this whole series, from Part 1, is that enhancement is a managed trade against your health. You cannot manage what you have never measured. Before you take your endocrine system into your own hands, you need a photograph of what “normal” looks like for you — because reference ranges are population averages, and the only ranges that matter are the ones you personally sit at when healthy.

Vigorous Steve puts it directly: before using PEDs — which are often a lifetime commitment — spend the effort and money on high-quality health screening, because knowing what to pay attention to is what ultimately determines the success of your first cycle and every cycle after it.[^1]

A baseline does three things:

  1. Catches the dealbreakers. A pre-existing lipid problem, high blood pressure, a kidney or liver issue, a thyroid disorder, or an early cancer marker can turn a “normal” cycle into a catastrophe. Some people discover, from their baseline, that they should not be doing this at all.
  2. Gives you a personal reference point. When your estradiol or hematocrit moves on cycle, “is this high?” is only answerable against your own healthy baseline.
  3. Establishes fertility before you suppress it. A semen analysis now is something you can’t go back and get later, once your axis is shut down.

Before the draw: prep that prevents false readings

Bad prep produces bad data, and bad data leads to bad decisions (like cranking an aromatase inhibitor against an estradiol number that was never real).

  • Hydrate. Drink 1–1.5 litres of water before the draw. Even slight dehydration concentrates the blood and can push Red Blood Cell count, hematocrit, creatinine, and electrolytes from “normal” into “borderline,” tipping decisions the wrong way.[^1]
  • Fast 10–12 hours for the lipid panel, fasting glucose/insulin, and fasted hormones. Water and black coffee timing matters — follow the lab’s instruction, but a true fast gives clean lipids and glucose.
  • Time your hormones. Draw in the morning (07:00–10:00), when testosterone and cortisol follow their natural peak, so your numbers are comparable to standard reference ranges and to your future draws.
  • Hold training. Skip intense lifting for 48–72 hours beforehand. Hard training (and creatine) elevates Creatine Phosphokinase (CPK) and the liver enzymes AST/ALT, which can make a healthy liver look stressed.
  • For the semen analysis, abstain from ejaculation for 3 days beforehand — less or more skews volume and concentration.[^1]

The baseline panel

This is the comprehensive pre-cycle screen, adapted from Vigorous Steve’s “Medical Screening Required Before Your First Cycle.”[^1] Markers marked (optional) are highly informative but not strictly mandatory before a first cycle — pull them if budget allows. Everything else is the core.

General body details

Recorded the same day as the draw, because they contextualize everything else: age, height, blood pressure (systolic/diastolic), body weight, body-fat % (see the InBody tiers in Part 1.1), and waist circumference. Blood pressure here is not a throwaway — it’s arguably the single most important number you’ll track on cycle, so buy a home monitor now.

Complete blood count

The CBC and its differential tell you about oxygen-carrying capacity, blood viscosity, and immune status. For an enhanced athlete, the headline marker is hematocrit.

Marker groupWhat’s in itWhy an enhanced athlete cares
Red cell massHematocrit, RBC count, hemoglobin, RDW, MCV, MCH, MCHC, RBC morphologyAndrogens stimulate red blood cell production. Hematocrit climbing too high thickens the blood, raising clot, stroke, and cardiac risk. This is one of the most common and dangerous on-cycle changes.
PlateletsPlatelet count, smear adequacyClotting capacity; relevant alongside a rising hematocrit.
White cellsWBC count + differential (neutrophils, lymphocytes, monocytes, eosinophils, basophils)Baseline immune picture; flags infection or something that needs investigating before you start.
Iron statusSerum iron, ferritin, TIBC (optional), transferrin (optional), transferrin saturation (optional)Iron drives red-cell production; ferritin also doubles as an inflammation marker.
GlycemicHbA1cThree-month average blood sugar. Baseline matters because GH, and insulin if used, push glucose up (see Part 3).

Hematocrit is the one to respect

A baseline tells you your natural set point. On cycle, if hematocrit climbs past roughly the 52–54% range, the standard harm-reduction response is therapeutic phlebotomy (donating blood) and aggressive hydration — covered in Part 4. You only know it’s climbing if you measured where it started.

Blood chemistry — the cardiovascular core

This is where the real cost of enhancement shows up first, and earliest. Part 1 said cardiovascular disease is the most likely thing to actually hurt you — this panel is how you see it coming.

MarkerNotes for the enhanced athlete
Total cholesterol, LDL, HDL, triglyceridesAndrogens — especially oral 17-alpha-alkylated steroids — crush HDL and raise LDL, often dramatically and fast. HDL is the one to watch tank.
ApoB (optional but recommended)The number of atherogenic particles — a better predictor of cardiovascular risk than LDL alone. If you pull one “extra” lipid marker, pull this.
Lp(a) (optional)Largely genetic; a high baseline is a serious risk-stratifier worth knowing once in your life.
v-LDL, ApoA (optional)Round out the lipid picture.
hs-CRPSystemic inflammation; an independent cardiovascular risk marker.
HomocysteineVascular risk marker; responsive to B-vitamin status (TMG/B12 from the Tier-1 stack help here).
Fasting blood sugarWith HbA1c, your glycemic baseline before GH/insulin enter the picture.

Kidney function

MarkerNotes
BUN, creatinine, eGFRStandard renal function. Caution: creatinine is inflated by high muscle mass and creatine supplementation, so a muscular athlete can look “impaired” on creatinine-based eGFR while being fine.
Cystatin-C (optional but valuable)A muscle-mass-independent kidney marker — far more reliable than creatinine for big lifters. Worth the extra cost.
CPKMuscle breakdown; elevated by hard training, so time your draw (see prep).
Uric acidGout/renal risk; can rise on certain compounds and diets.

Liver function

MarkerNotes
AST (SGOT), ALT (SGPT)Liver enzymes — but also released by skeletal muscle, so training and creatine inflate them. Elevated AST/ALT in a lifter is not automatically a liver problem.
GGTA cleaner, more liver-specific marker. If GGT is normal while AST/ALT are high, the elevation is likely muscular, not hepatic.
Total & direct bilirubin, ALPBiliary function; bilirubin can rise on harsh orals.
Total protein, albumin, globulin, A/G ratioOverall liver synthetic function and protein status.

Why this matters most for oral users

Injectable testosterone is comparatively liver-friendly. The serious hepatic risk comes from oral 17-alpha-alkylated compounds (Dianabol, Anadrol, Winstrol, Halotestin). If your protocol includes orals, liver markers and GGT move from “baseline nice-to-have” to “monitor closely,” and Part 4 covers the support (TUDCA, NAC) and time limits.

The full hormone panel

This is the most important panel in the entire screen, because endocrinology is exactly what you’re about to manipulate. Pull all of it — your “after” pictures are meaningless without a complete “before.”

GroupMarkers
AndrogensTotal testosterone, free testosterone, bio-available testosterone, DHT (optional), SHBG
EstrogensEstradiol (E2) — ideally a sensitive assay — plus estrone (E1) and estriol (E3) (optional)
Pituitary / axisLH, FSH — the signals your cycle will suppress; prolactin
Progestogens / precursorsProgesterone (optional), pregnenolone (optional), pregnenolone-sulfate (optional), DHEA-S
Metabolic / growthFasting cortisol (optional), fasting insulin (optional), GH (optional), IGF-1 (optional)

A few of these foreshadow Part 3 directly: SHBG (you’ll want to keep it above ~20 nmol/L), estradiol (you’ll keep it in range rather than crushing it), prolactin (the marker that misbehaves on 19-nors), and IGF-1 (your readout for the GH pathway). Your baseline LH and FSH also matter for the recovery conversation in Part 4.

Thyroid, nutrients, electrolytes, heavy metals

Rounding out the screen:

  • Thyroid: TSH, free T3, free T4 (core); total T3/T4, reverse T3 (optional). A baseline before you start, since some protocols and the stress of heavy cycles can shift thyroid output.
  • Nutrient status: Vitamin D (25-OH), B12, folate, zinc, copper, selenium — all (optional) but informative. Zinc and selenium also support androgen-receptor function (see Part 3).
  • Serum electrolytes: sodium, potassium, chloride, bicarbonate, magnesium, calcium — mostly (optional), but useful given androgens’ effect on water and mineral balance.
  • Heavy metals (optional): aluminum, arsenic, cadmium, chromium, lead, mercury — a once-in-a-while screen, more relevant if your diet is very high in certain fish or your supplements are dubiously sourced.

Cancer marker screening (especially before GH and IGF-1)

This deserves its own section because of one specific, serious point. ==Exogenous Growth Hormone, IGF-1, and peptides like IGF-1 LR3, TB-500, BPC-157, or Cardarine (GW-501516) do not cause cancer — but they can dramatically accelerate a pre-existing tumor.==[^1] Growth signals grow whatever is already there, including the wrong things.

So before adding any GH or IGF-1 to a protocol (the pathways in Part 3), screen the relevant cancer markers: AFP, CA 15-3, CA 19-9, CA 125 (MUC-16), CEA, ferritin, β-HCG, hGH, NSE, free-PSA, PSA, and PSAP/ACPP.

Steve maps markers to organs so you know what an abnormal result points at:

OrganRelevant markers
Prostateβ-HCG, f-PSA, PSA, PSAP/ACPP
LiverAFP, CA 19-9, CA 125, ferritin, f-PSA, PSA, PSAP/ACPP
ColorectalCA 19-9, CEA
PancreasAFP, CA 19-9, CEA, ferritin, NSE, PSA group
LungCEA, ferritin, NSE, PSA group
StomachCA 19-9, CEA, AFP
TesticlesAFP, β-HCG
PituitaryhGH
ThyroidNSE

Frequency and the pituitary caveat

Steve advises every enhanced athlete check these markers every ~3 years, and yearly if there’s a relevant cancer in the family history or flagged by genetic analysis — no matter how low the GH/IGF-1 dose.[^1] Separately: GH-secreting pituitary tumors (adenomas) are usually benign but can cause acromegaly and other problems. If your baseline pituitary hormones (GH, LH, FSH, prolactin) come back very high before you’ve started anything, that warrants investigation — potentially imaging or a biopsy — before you add exogenous growth signals.

Semen analysis and freezing fertility

AAS and SARMs downregulate or fully shut down your HPTA (and stress the adrenal axis) during use.[^1] That suppresses sperm production — sometimes to zero on cycle, and recovery isn’t guaranteed, especially after long or heavy use (the lifetime-commitment point from Part 1).

Two actions, in order:

  1. Get a baseline semen analysis before your first cycle: ejaculate volume, total sperm count, concentration, total and progressive motility, and morphology. This is your fertility “before” picture — the number you’ll try to recover before conceiving later in life.
  2. If your fertility is normal, consider freezing it. Bank multiple samples, ideally at more than one clinic, so a healthy sample is available when you actually want children — independent of whatever state your natural production is in by then.

(Abstain 3 days before the analysis, per the prep section.)

On-cycle monitoring: what to watch and how often

The baseline is the start, not the end. Monitoring is continuous. Two layers: cheap things you measure constantly at home, and bloodwork at defined checkpoints.

At home, ongoing:

  • Blood pressure — several times a week, same time of day, seated and rested. The cheapest early-warning system you have.
  • Resting heart rate — daily trend (your watch is fine).
  • Body weight — your Part 1.1 weight trend, which also reflects water retention.

The home-device and wearable layer has its own article

This is the snapshot; the continuous “film” — which devices to buy, the wrist-cuff caveat for muscular arms, how to use Whoop and Apple Watch, and how to read a marker that moves — is covered in full in Part 2.1 — Continuous Monitoring & Wearables.

Bloodwork checkpoints:

WhenPull (at minimum)Looking for
Baseline (pre-cycle)The full panel aboveDealbreakers + your personal reference points
Mid-cycle (~week 4–6)CBC (hematocrit), lipids, E2, prolactin (if on 19-nors), liver (if on orals), fasting glucose/HbA1c (if on GH), blood pressure dataCatching adverse moves while you can still act — adjust dose, injection frequency, ancillaries
End of cycle / pre-PCTRepeat the above + LH, FSH, total/free testosteroneHow suppressed you are; baseline for recovery
Post-PCT (~4–8 weeks after)Total/free testosterone, LH, FSH, E2Whether your axis recovered (see Part 4)

The point of mid-cycle bloods

A surprising number of avoidable disasters — hematocrit at stroke territory, HDL near zero, blood pressure quietly at 150/95 — are invisible without mid-cycle labs and a home BP cuff. Bloodwork only every 6–12 months is monitoring in name only. If a compound is harsh (high doses, orals, 19-nors, GH), check more often, not less.

Doing this in Malaysia

You don’t necessarily need a sympathetic doctor to order a comprehensive panel — private labs and hospital health-screening packages will run most of this directly.

  • Private pathology labs — BP Healthcare, Gribbles, Pathlab, and Qualitas branches offer walk-in blood draws and bundled panels (lipid, liver, renal, full blood count, hormone add-ons). Expect roughly RM150–RM400 for a solid combined panel, more once you add the full hormone and cancer-marker work.
  • Hospital health screening — Sunway Medical, Columbia Asia, Pantai, and Gleneagles offer “executive screening” packages that cover the CBC/chemistry/lipid/liver/renal/thyroid core, often with a doctor consult included. Hormone and cancer-marker panels are usually add-ons.
  • Body composition — for body-fat % and lean mass, use the three-tier scanner approach from Part 1.1: home scale for trend, InBody for cheap regular checks (RM20–RM50), DEXA every 3–6 months for the honest number (RM200–RM400).
  • Home devices — a validated upper-arm blood pressure monitor is the highest-value purchase here. Budget RM100–RM250.

Build a standing order

Keep a saved list of exactly which markers you pull at each checkpoint, in the lab’s own naming, so each visit is a 30-second reorder rather than a renegotiation. Track the results over time in a spreadsheet the same way you track your lifts and body composition — trends across cycles are more informative than any single draw.

Part 2 Takeaways

Key concepts to internalize

  • Measure before you manipulate. A complete baseline catches dealbreakers, sets your personal reference points, and captures fertility before you suppress it.
  • Prep matters. Hydrate, fast, draw in the morning, hold hard training for 48–72h, abstain 3 days before a semen analysis — or your numbers lie to you.
  • The cardiovascular core is where the cost shows first. Lipids (especially HDL and ApoB), hematocrit, and blood pressure are the markers most likely to flag real danger.
  • Use muscle-aware markers. Creatinine and AST/ALT are inflated by muscle and training — lean on cystatin-C for kidneys and GGT for liver.
  • Screen cancer markers before GH/IGF-1. Growth signals accelerate pre-existing tumors; check every ~3 years (yearly with family history).
  • Monitoring is continuous. Home BP/HR/weight constantly; bloodwork at baseline, mid-cycle, end-of-cycle, and post-PCT. Mid-cycle bloods are where you actually prevent disasters.

Your Pre-Cycle Screening Task List

  1. Buy a blood pressure monitor and start logging now, so you have weeks of “natural” baseline data.
  2. Book the comprehensive baseline panel — CBC, blood chemistry/lipids (+ApoB), kidney (+cystatin-C), liver (+GGT), full hormone panel, thyroid, fasting glucose/HbA1c. Prep properly.
  3. Add cancer markers if GH or IGF-1 are anywhere in your plans.
  4. Get a baseline semen analysis and decide whether to freeze samples.
  5. Record your general body details the same day (BP, weight, body-fat %, waist).
  6. Build your monitoring spreadsheet with checkpoints (baseline → mid-cycle → end → post-PCT) before you start.
  7. Find a physician willing to review results — ideally one who won’t be shocked by what you’re running.

Up next

With a clean, measured baseline in hand, Part 3 — The Eight Anabolic Pathways covers how to actually build muscle intelligently: spreading a moderate stimulus across multiple pathways instead of body-slamming one, for better results at lower health cost. Then Part 4 covers defending every marker on this page.

Disclaimer

This article is for harm reduction and education, not medical advice. Lab interpretation requires a qualified physician — reference ranges, assay types, and clinical si

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