Marek Diagnostics Blog
How Exercise Affects Hormone And Blood Test Results
Exercise can shift testosterone, CK, and CRP levels for hours to days after a session. Learn which labs change and how to prepare for an accurate draw.
Hormones 2 Years After Pregnancy: What's Still Changing
How Medications And Supplements Affect Hormone Test Results
Can medications affect hormone test results? Yes. Opioids, biotin, and steroids change your readings. Learn what to disclose before your next blood draw.
What Hormone Is High During Postpartum? A Lab Guide
Testosterone Test Preparation: What To Do Before Your Draw
Testosterone test preparation covers when to draw, whether to fast, and which supplements to pause. Backed by AUA and Endocrine Society clinical guidelines.
How To Check Postpartum Hormone Levels: When To Test
Can You Have Coffee Before A Hormone Test? What To Know
Can you have coffee before a hormone test? It depends on the panel. Learn which hormones caffeine affects, when to fast, and how to prepare for your blood draw.
Can TRT Testing Confirm Low Testosterone? Labs To Know
Can TRT testing confirm low testosterone? Not from a single blood draw. Two fasting morning tests and documented symptoms are required for a diagnosis.
How To Get Testosterone Tested Without A Doctor Visit
How to get testosterone tested without a doctor visit. DTC labs, telehealth orders, and what the Endocrine Society and AUA recommend for accurate results.