Marek Diagnostics Blog
TRT Blood Work: How Often To Test And What To Check
TRT blood work tracks testosterone, hematocrit, and PSA at set intervals. Learn the testing schedule, which labs matter, and why draw timing affects results.
Why Test Hormone Levels And What Your Blood Work Shows
Stress And Hormone Levels: What Happens In The Body
Stress and hormone levels are connected through the HPA axis. Learn which hormones shift under chronic stress, which lab markers to test, and when to act.
Hormone Test Cost: Pricing, Panels, And What's Included
Biomarkers To Monitor While On Testosterone Therapy
Biomarkers to monitor on testosterone therapy include hematocrit, PSA, estradiol, and blood pressure. Get the guideline-based schedule and action thresholds.
How To Get Your Hormone Levels Checked And What To Expect
What Are Normal Hormone Levels? Ranges And What They Mean
Normal hormone levels depend on age, sex, and the lab running the test. See testosterone, estrogen, thyroid, and FSH reference ranges with clinical context.
Hormone Blood Test: Fasting, Timing, And Draw Rules
Fasting rules, draw timing by formulation, and biotin precautions for a hormone blood test. Based on Endocrine Society and AUA guidelines. Order labs today.
What is Androgen Receptor Sensitivity Testing and Why it Matters
Why do some men thrive on “normal” testosterone levels while others feel off?
The answer might lie beyond your lab values—in your androgen receptor genes. Learn how AR Sensitivity and AR Density shape your body’s response to testosterone, and why Marek’s AR-CAG test could be the missing piece in your hormone optimization journey.










