Feeling Drained Lately? – Probably free testosterone could be the cause

Your lab may say “normal,” but you still feel off.

One factor I always consider — and that’s often overlooked — is free testosterone.

  • This hormone plays a central role in:
  • Energy metabolism
  • Muscle strength and recovery
  • Cognitive clarity and focus
  • Bone and skin health
  • Cardiovascular and metabolic protection

Even mild deficiencies can affect daily function — and they often go undetected if only total testosterone is measured.

Think of it like this: your lab may say “normal,” but you still feel off.

Here’s what the science—and years in practice—confirm:

  • In men, levels decline slowly (about 1% per year after 30)
  • In women, the drop is sharper during perimenopause and menopause
  • Low free testosterone is linked to fatigue, muscle loss, insulin resistance, and cognitive changes

When I hear things like:

“I sleep but never feel rested”, “My focus and motivation are gone” or “Workouts feel harder than they should”.…I always recommend checking free and total testosterone, SHBG, estradiol, and related markers.

Treatment isn’t always needed — but testing properly can explain symptoms that often get labeled as “normal aging.”

If this sounds familiar, it’s worth a closer look.

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DR. GARANT

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