Marek Diagnostics Blog

Man getting TRT blood work drawn in a bright lab setting

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.

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Man reviewing hormone test results at a sunlit table

Why Test Hormone Levels And What Your Blood Work Shows

The reason to test hormone levels before treatment comes down to one clinical fact: symptoms of testosterone deficiency overlap with conditions that have nothing to do with testosterone. Fatigue, low libido, and loss of muscle mass appear in obesity, depression,...

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Woman sitting with coffee in the kitchen thinking about stress hormone levels

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.

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Man reviewing hormone test results on a tablet in a sunlit kitchen

Hormone Test Cost: Pricing, Panels, And What's Included

A hormone test costs $15-$595. The range depends on panel size, assay method, and draw location. A single total testosterone test through a direct-pay lab runs $15-$70. Diagnostic panels that add free testosterone, LH, FSH, SHBG, and estradiol cost $159-$595....

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Man reviewing TRT lab results at home in morning light

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.

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Man reviewing hormone test results at kitchen table in morning light

How To Get Your Hormone Levels Checked And What To Expect

Getting hormone levels checked starts with a blood test ordered through a healthcare provider or a direct-pay telehealth provider like Marek Diagnostics. For men concerned about testosterone, the American Urological Association (AUA) and Endocrine Society both recommend a specific sequence:...

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Couple reviewing hormone lab results at home

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.

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Man holding water bottle in bright waiting area before morning hormone blood test

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.

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What is Androgen Receptor Sensitivity Testing and Why it Matters

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.

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