What It Measures
The total amount of testosterone in the blood, including protein-bound and free fractions.
Total testosterone includes both bound (to SHBG and albumin) and free testosterone. It is the primary male sex hormone critical for muscle, bone, mood, libido, and overall vitality.
Current Value
What High Means
Naturally high testosterone is generally beneficial. Excessively high levels (usually from exogenous use) may cause acne, hair loss, mood swings, erythrocytosis, and cardiovascular strain.
Possible Symptoms
Acne, aggression, hair loss, erythrocytosis (high from exogenous use)
What Low Means
Low testosterone (hypogonadism) causes fatigue, low libido, erectile dysfunction, muscle loss, fat gain, depression, poor concentration, and reduced bone density.
Possible Symptoms
Fatigue, low libido, erectile dysfunction, depression, muscle loss, brain fog, increased body fat
Risk Factors
Osteoporosis, metabolic syndrome, depression, cardiovascular risk (when very low)
Actionable Advice
Supplements
- •Vitamin D
- •Zinc
- •Magnesium
- •Ashwagandha
- •Tongkat ali
- •Boron
Diet & Lifestyle
- •Prioritize sleep (7-9 hours; testosterone produced during deep sleep)
- •Heavy compound resistance training
- •Maintain healthy body fat (15-20% for men)
- •Manage stress (cortisol suppresses testosterone)
- •Minimize alcohol
- •Get adequate sunlight/vitamin D
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Historical Trend
Resources & Studies
All Readings
| Date | Value | Change |
|---|---|---|
| 2026-01-28 | 1158 ng/dL | +437.0 |
| 2025-09-18 | 721 ng/dL | -437.0 |
| 2025-08-25 | 1158 ng/dL | +298.0 |
| 2025-07-31 | 860 ng/dL | — |