Got “Normal” testosterone on Function Health but still feel off? How to interpret results and plan next steps.
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Feb 09, 2026 · 11 min read
A testosterone result can be “normal” and still feel off because testosterone deficiency is diagnosed by symptoms plus consistently low morning total testosterone on repeat testing (often around ~300 ng/dL), and total testosterone can look adequate while free testosterone is low when SHBG is elevated. Here’s how to decide when a repeat draw matters, which ...