TRT Authority

Testosterone Testing

Blood tests, at-home kits, and understanding your testosterone levels.

7 testing guides Evidence-based Clinical sources

Getting the right tests is the first step toward diagnosis. These guides cover what to test, how to prepare, what results mean, and when at-home kits are worth it versus clinical lab work.

At-Home Testosterone Tests

At-home testosterone tests offer convenience but accuracy varies 26-194% vs clinical labs. Learn how finger-prick, saliva tests work, cost...

Optimal Testosterone Levels by Age

Age-specific testosterone ranges for men 20-50+. Learn optimal levels vs. normal, LC-MS testing, morning timing, and when results justify...

Testosterone Blood Test

Complete guide to testosterone blood testing for TRT—how it works, reference ranges by age, preparation tips, cost comparison, and...

Free vs Total Testosterone

Understand free vs total testosterone for TRT: how they're measured, reference ranges, why free T correlates better with symptoms, and what...

Understanding Your Lab Results

Learn how to read testosterone test results, interpret reference ranges, and understand the difference between normal and optimal levels...

Coming Soon (2)

How to Prepare for Testosterone Testing: Complete Guide

Full guide coming soon

When to Test Testosterone

Full guide coming soon

Not sure where to start?

Check your symptoms first or connect with a telehealth provider who can order the right tests for you.

Disclaimer: This content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.