Marek Diagnostics Blog
How Seasonal Testosterone Changes Affect Lab Results
Seasonal testosterone changes can shift lab readings. Learn what the largest studies found about seasonal variation and when to test. Order labs today.
What Is An LC-MS/MS Testosterone Test And Why Order One
An LC-MS/MS testosterone test uses mass spectrometry for higher accuracy than standard immunoassays. Learn why it matters and order from Marek Diagnostics.
Testosterone Levels After Stopping TRT And What To Expect
What happens to testosterone levels after stopping TRT? Recovery timelines, formulation clearance, and when levels may not return. Find out what to expect.
LH And FSH On TRT And What Happens To Sperm Production
LH and FSH on TRT fall to near-zero through HPG axis feedback. Learn what that means for sperm production and fertility. Order labs at Marek Diagnostics.
Traveling With Testosterone: TSA Rules, Packing, Customs
Traveling with testosterone is allowed on U.S. flights. Learn TSA rules for vials and syringes, customs requirements, and what to pack for safe air travel.
LH Blood Test: What It Measures And Why It Matters
An LH blood test measures luteinizing hormone to evaluate pituitary function, fertility, and testosterone status. Learn what LH results mean & when it's needed.
Does TRT Raise Blood Pressure And How To Monitor It
Does TRT raise blood pressure? FDA data confirms a class-wide increase. Learn product-specific ABPM ranges, monitoring steps, and when to talk to a provider.
What To Expect At A TRT Consultation For First Timers
A TRT consultation includes blood work, symptom review, and provider evaluation. Learn what first-time patients should expect from diagnosis to monitoring.
Testosterone Cypionate Half Life And Duration In Your Body
Testosterone cypionate has an approximate 8-day half life per FDA labeling. Learn how long it stays in your body, what affects duration, and when to time labs.