Total Testosterone blood test
All the testosterone in your blood: the part bound to proteins (SHBG and albumin) plus the small free part.
- Typical range (adult men)
- above 300 ng/dL
- Panel
- Hormones
- Also called
- Total T, Serum testosterone
Reference ranges vary between labs; use the range on your own report. Results need to be read by a doctor alongside your symptoms and other tests.
Why it’s tested
The starting point for checking male hormone health, low energy or libido, and recovery of natural production after suppression.
What can raise it
- Testosterone or anabolic steroid use
- Rarely, adrenal or testicular tumours
What can lower it
- Poor sleep, high stress or under-eating
- Obesity
- Suppression from anabolic steroids or SARMs after stopping
- Primary or secondary hypogonadism
- Some medications, including opioids
Getting an accurate result
- Test in the morning, especially for hormones, which run highest early in the day.
- Stay hydrated, and test at the same lab and time of day each time so results compare fairly.
Compounds that affect Total Testosterone
Monitored with these, based on their known properties:
- Testosterone Cypionate
- Testosterone Enanthate
- Testosterone Propionate
- Deca-Durabolin (Nandrolone Decanoate)
- NPP (Nandrolone Phenylpropionate)
- Trenbolone Acetate
- Trenbolone Enanthate
- Equipoise (Boldenone Undecylenate)
- Masteron (Drostanolone Propionate)
- Masteron Enanthate (Drostanolone Enanthate)
- Primobolan (Methenolone Enanthate)
- Dianabol (Methandrostenolone)
Other hormones tests
Questions
What is a normal Total Testosterone level?
A typical adult male reference range is above 300 ng/dL. Ranges differ for women, by age and between labs, so compare with the range printed on your report.
What does high Total Testosterone mean?
Common reasons include testosterone or anabolic steroid use and rarely, adrenal or testicular tumours. One result outside the range isn't a diagnosis: a doctor will look at it with your other markers and history.
What does low Total Testosterone mean?
Common reasons include poor sleep, high stress or under-eating, obesity, suppression from anabolic steroids or SARMs after stopping, primary or secondary hypogonadism and some medications, including opioids.