Reviewed by Peptide Treatments Medical Advisory Board (Medical Advisory Board)

Testagen: Bloodwork Guide

Name: Testagen Bloodwork Guide — What to Monitor
Published: 2026-03-12

Recommended lab tests and biomarkers to monitor before, during, and after Testagen therapy. Testing schedules are based on clinical protocols and published monitoring guidelines.

Back to Testagen overview

Before Starting (4 tests)

Biomarker	Expected Effect	Retest
Total Testosterone	↑ increases	Every 8 weeks
Free Testosterone	↑ increases	Every 8 weeks
Luteinizing Hormone (LH)	→ normalizes	Every 8 weeks
Follicle-Stimulating Hormone (FSH)	→ normalizes	Every 12 weeks