Marek Diagnostics Blog
How To Prepare For A Testosterone Test: Timing And Fasting
Doctors Won't Test Testosterone? When And How To Ask
Doctors won't test testosterone without clear symptoms. Learn why guidelines advise against routine screening, when testing is warranted, and how to request it.
Estrogen Levels On TRT: Why Regular Monitoring Matters
Estrogen levels on TRT rise through aromatization and need provider-directed monitoring. Learn which lab markers to track and when testing is indicated.
What To Avoid Before A Testosterone Test: Prep Guide
Liver And Kidney Tests For TRT: A Monitoring Guide
Liver and kidney tests for TRT include AST, ALT, creatinine, and eGFR on a CMP. Learn which formulations carry liver risk and when to retest kidney markers.
PSA Testing Before TRT: Why A Baseline PSA Level Matters
PSA testing before TRT requires a baseline level in men over 40. Learn what AUA and Endocrine Society guidelines say about prostate screening on testosterone.
What Blood Test Do You Need For TRT And Why Each Matters
What blood test do you need for TRT? Learn which labs to run before and during testosterone therapy, why each marker matters, and start building your panel.
Can TRT Blood Test Results Change From One Test To Another
TRT blood test results can shift between draws for documented reasons. Learn what moves the number and when to retest. Order labs from Marek Diagnostics.
How Many Tests Are Used For TRT? CBC, PSA, And More
How many tests are used for TRT? Two morning testosterone draws plus CBC, PSA, and safety labs. See the full panel and order baseline testing with Marek.