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Hormones

Total Testosterone Blood Test Results Guide

Total testosterone is a key hormone for physical performance, influencing muscle protein synthesis, recovery capacity, and energy output. For active individuals, monitoring testosterone may help optimize training adaptations and recovery strategies.

Doctor's Assessment Included

Reference Ranges

See the value that applies to you:

Choose male or female — this range differs by sex.

Enter your age — this range changes with age.

This range also depends on context such as cycle phase or sample material; the highlighted rows apply to your group.

Your reference range
nmol/l
0,1 29 nmol/l
Reference ranges by group, in nmol/l
Male · 20–49 years 8,64–29 nmol/l
8,64 29
Male · 50 years and older 6,68–25,7 nmol/l
6,68 25,7
Female · 20–49 years 0,29–1,67 nmol/l
0,29 1,67
Female · 50 years and older 0,1–1,42 nmol/l
0,1 1,42
0,1 29 nmol/l

Bijsluiterwaarde: 5e-95e percentiel per subgroep (n = 136 mannen 20-49 jaar; 78 mannen 50 jaar en ouder; 89 vrouwen 20-49 jaar; 71 vrouwen 50 jaar en ouder), bij bloedafname tussen 06.30 en 13.00 uur en zonder gebruik van anticonceptiva. Testosteron kent een dagritme; een ochtendafname is de norm. Een hormoonreferentiewaarde is assay-specifiek; deze waarden gelden voor de Roche Elecsys-methode. Belangrijk bij vrouwen: de kwantificeringsgrens van deze immunoassay is 0,416 nmol/l, en beide onderste vrouwelijke grenzen (0,290 en 0,101 nmol/l) liggen daaronder. De tussenliggende precisie bij vrouwelijke concentraties is 8,2 % variatiecoefficient (cobas e 411, bij 0,406 nmol/l) tot 14,5 % (cobas e 601/e 602, bij 0,323 nmol/l), tegenover 1,8-3,0 % bij mannelijke concentraties. LC-MS/MS is de referentiemethode voor testosteron bij vrouwen; de bijsluiter adviseert zelf om een onverwacht verhoogde vrouwelijke uitslag te bevestigen met een extractiemethode of een gevalideerde LC-MS/MS-methode.

Source: Roche Diagnostics Reference population: Roche referentiecohort (Elecsys Testosterone II bijsluiter, studie CIM 000669)

Reference ranges may vary between laboratories. When you order a test, a BIG-registered doctor assesses your personal results in context. For treatment decisions, discuss your results with your GP.

Check your own value

Total Testosterone: what this test measures

This test measures the total amount of testosterone in your blood, reported in nmol/l. It includes both testosterone bound to proteins like SHBG and albumin, and the small fraction of free, unbound testosterone available for immediate use.

Total Testosterone: why this value matters

For active individuals, testosterone may affect strength gains, recovery speed, and body composition changes. Overtraining or inadequate recovery could potentially suppress testosterone levels. Regular monitoring may help ensure your training supports rather than hinders hormonal balance.

Total Testosterone: when is testing worthwhile?

Testing may be considered when experiencing fatigue, mood changes, reduced libido, or changes in body composition. Some healthcare providers recommend morning testing, as testosterone levels tend to be highest in the early hours of the day.

Total Testosterone: symptoms of a high or low value

Low Levels

Some people with low testosterone may experience persistent fatigue, reduced muscle mass, increased body fat, low mood, decreased libido, or difficulty concentrating. These symptoms could also have other causes, so consult your healthcare provider.

High Levels

Some people with elevated testosterone may experience acne, oily skin, mood swings, or increased aggression. In women, high testosterone could potentially be associated with irregular periods, excess hair growth, or hormonal imbalance conditions.

Total Testosterone: what to do about an abnormal value

Male

If Low

Low testosterone may cause fatigue, decreased libido, and muscle loss. Consider lifestyle changes (sleep, exercise, weight loss) and consultation with an endocrinologist for possible testosterone replacement.

If High

Elevated testosterone may indicate steroid use, adrenal tumors, or testicular tumors. Consult with an endocrinologist for evaluation.

Female

If Low

Low testosterone in women may cause decreased libido and energy. Consider lifestyle optimization and consultation with an endocrinologist if symptomatic.

If High

High testosterone may indicate PCOS, adrenal disorders, or ovarian tumors. Consider evaluation for PCOS, especially if experiencing irregular periods or hirsutism.

Total Testosterone: lifestyle and this value

Regular resistance training, adequate sleep, stress management, and a balanced diet with sufficient zinc and vitamin D may support healthy testosterone levels. Limiting alcohol consumption could also be beneficial. Consult your healthcare provider for personalized guidance.

Total Testosterone: frequently asked questions

What is the difference between total and free testosterone?
Total testosterone includes all testosterone in the blood, both bound to proteins and free. Free testosterone is the small unbound portion that your body can actively use. Both measurements together may provide a more complete picture of your hormonal status.
Why should testosterone be tested in the morning?
Testosterone levels typically follow a circadian rhythm and tend to be highest in the morning, gradually declining throughout the day. Morning testing may provide the most consistent and reliable baseline measurement for comparison purposes.
Can lifestyle changes affect testosterone levels?
Research suggests that regular exercise, adequate sleep, stress reduction, and maintaining a healthy weight may support healthy testosterone levels. However, individual results can vary. Discuss any concerns or planned changes with your healthcare provider.

Test Products

This marker is included in the following test panels.

Complete Health

360 Health

Broad health panel: hormones, thyroid, vitamins, lipids, liver, kidney, and blood count.

HbA1c (Glycated Hemoglobin) TSH (Thyroid Stimulating Hormone) Triglycerides Urea (BUN) Creatinine eGFR (Estimated Glomerular Filtration Rate) Free T4 (Thyroxine) LDL Cholesterol Liver Function Test (LFT) SHBG (Sex Hormone Binding Globulin) Vitamin B12 Vitamin D (25-OH) Total Testosterone Free T3 (Triiodothyronine) Ferritin HDL Cholesterol Albumin Total Cholesterol Basic Blood Count
€346,-
Whoop

Whoop Metabolic Health

A 51-biomarker metabolic panel inspired by the WHOOP Metabolic Health Panel — blood sugar regulation, insulin, thyroid, liver and the mineral cofactors behind your metabolism.

Complete Blood Count (CBC) Leukocyte Differential ALP (Alkaline Phosphatase) ALT (Alanine Aminotransferase) AST (Aspartate Aminotransferase) Albumin Total Protein Bilirubin (Total) ApoB (Apolipoprotein B) Total Cholesterol LDL Cholesterol HDL Cholesterol Triglycerides Lipoprotein(a) Urea (BUN) Creatinine eGFR (Estimated Glomerular Filtration Rate) Calcium Bicarbonate Chloride Sodium Potassium Magnesium Cortisol DHEA-S Estradiol (E2) FSH (Follicle Stimulating Hormone) LH (Luteinizing Hormone) SHBG (Sex Hormone Binding Globulin) Total Testosterone Free Testosterone TSH (Thyroid Stimulating Hormone) Glucose (Fasting) HbA1c (Glycated Hemoglobin) Insulin (Fasting) HOMA-IR CRP (C-Reactive Protein) Homocysteine Ferritin Iron (Serum) Transferrin Transferrin Saturation Vitamin D (25-OH) Leptin Zinc Selenium Iodine Copper Free T3 (Triiodothyronine) Free T4 (Thyroxine) GGT (Gamma-Glutamyl Transferase)
€799,-
Health Checkups

InsideTracker

A 35-biomarker performance and longevity panel inspired by InsideTracker Ultimate — covering heart, hormones, metabolism, inflammation, recovery and iron status.

SHBG (Sex Hormone Binding Globulin) TSH (Thyroid Stimulating Hormone) ALT (Alanine Aminotransferase) LDL Cholesterol GGT (Gamma-Glutamyl Transferase) Cortisol DHEA-S Estradiol (E2) Free Testosterone Total Testosterone Folate (Folic Acid) Vitamin B12 Calcium Ferritin Iron (Serum) Magnesium Potassium Progesterone Sodium Transferrin CRP (C-Reactive Protein) Glucose (Fasting) HbA1c (Glycated Hemoglobin) ApoB (Apolipoprotein B) HDL Cholesterol Total Cholesterol Albumin AST (Aspartate Aminotransferase) Vitamin D (25-OH) Insulin (Fasting) Leukocyte Differential Creatine Kinase (CK) Transferrin Saturation Triglycerides Basic Blood Count
€399,-
Whoop

Whoop

A 43-biomarker comprehensive health panel inspired by WHOOP Advanced Labs — a deep look at metabolism, cardiovascular risk, hormones, liver, kidney and inflammation.

SHBG (Sex Hormone Binding Globulin) TSH (Thyroid Stimulating Hormone) ALT (Alanine Aminotransferase) LDL Cholesterol Cortisol DHEA-S Estradiol (E2) Free Testosterone FSH (Follicle Stimulating Hormone) LH (Luteinizing Hormone) Total Testosterone Bicarbonate Calcium Chloride Ferritin Iron (Serum) Magnesium Potassium Sodium Transferrin CRP (C-Reactive Protein) Homocysteine Glucose (Fasting) HbA1c (Glycated Hemoglobin) ApoB (Apolipoprotein B) HDL Cholesterol Total Cholesterol Albumin HOMA-IR ALP (Alkaline Phosphatase) AST (Aspartate Aminotransferase) Bilirubin (Total) Total Protein Urea (BUN) Creatinine Vitamin D (25-OH) eGFR (Estimated Glomerular Filtration Rate) Insulin (Fasting) Leukocyte Differential Transferrin Saturation Lipoprotein(a) Triglycerides Basic Blood Count
€499,-
Whoop

Whoop Heart Health

A 45-biomarker heart health panel inspired by the WHOOP Heart Health Panel — an advanced look at cholesterol, lipoproteins, inflammation and kidney function.

Complete Blood Count (CBC) Leukocyte Differential ALP (Alkaline Phosphatase) ALT (Alanine Aminotransferase) AST (Aspartate Aminotransferase) Albumin Total Protein Bilirubin (Total) ApoB (Apolipoprotein B) Total Cholesterol LDL Cholesterol HDL Cholesterol Triglycerides Lipoprotein(a) Urea (BUN) Creatinine eGFR (Estimated Glomerular Filtration Rate) Calcium Bicarbonate Chloride Sodium Potassium Magnesium Cortisol DHEA-S Estradiol (E2) FSH (Follicle Stimulating Hormone) LH (Luteinizing Hormone) SHBG (Sex Hormone Binding Globulin) Total Testosterone Free Testosterone TSH (Thyroid Stimulating Hormone) Glucose (Fasting) HbA1c (Glycated Hemoglobin) Insulin (Fasting) HOMA-IR CRP (C-Reactive Protein) Homocysteine Ferritin Iron (Serum) Transferrin Transferrin Saturation Vitamin D (25-OH) Cystatin C Uric Acid
€629,-
Whoop

Whoop Performance Health

A 50-biomarker performance panel inspired by the WHOOP Performance Health Panel — recovery, blood production, thyroid, hormones, iron and nutrient status for people who train.

Complete Blood Count (CBC) Leukocyte Differential ALP (Alkaline Phosphatase) ALT (Alanine Aminotransferase) AST (Aspartate Aminotransferase) Albumin Total Protein Bilirubin (Total) ApoB (Apolipoprotein B) Total Cholesterol LDL Cholesterol HDL Cholesterol Triglycerides Lipoprotein(a) Urea (BUN) Creatinine eGFR (Estimated Glomerular Filtration Rate) Calcium Bicarbonate Chloride Sodium Potassium Magnesium Cortisol DHEA-S Estradiol (E2) FSH (Follicle Stimulating Hormone) LH (Luteinizing Hormone) SHBG (Sex Hormone Binding Globulin) Total Testosterone Free Testosterone TSH (Thyroid Stimulating Hormone) Glucose (Fasting) HbA1c (Glycated Hemoglobin) Insulin (Fasting) HOMA-IR CRP (C-Reactive Protein) Homocysteine Ferritin Iron (Serum) Transferrin Transferrin Saturation Vitamin D (25-OH) IGF-1 (Insulin-like Growth Factor) Creatine Kinase (CK) Reticulocytes Free T3 (Triiodothyronine) Free T4 (Thyroxine) Vitamin B12 Folate (Folic Acid)
€689,-
Whoop

Whoop Women's Health

A 53-biomarker women's health panel inspired by the WHOOP Women's Health Panel — fertility, cycle and thyroid hormones plus a complete metabolic and nutrient base.

Complete Blood Count (CBC) Leukocyte Differential ALP (Alkaline Phosphatase) ALT (Alanine Aminotransferase) AST (Aspartate Aminotransferase) Albumin Total Protein Bilirubin (Total) ApoB (Apolipoprotein B) Total Cholesterol LDL Cholesterol HDL Cholesterol Triglycerides Lipoprotein(a) Urea (BUN) Creatinine eGFR (Estimated Glomerular Filtration Rate) Calcium Bicarbonate Chloride Sodium Potassium Magnesium Cortisol DHEA-S Estradiol (E2) FSH (Follicle Stimulating Hormone) LH (Luteinizing Hormone) SHBG (Sex Hormone Binding Globulin) Total Testosterone Free Testosterone TSH (Thyroid Stimulating Hormone) Glucose (Fasting) HbA1c (Glycated Hemoglobin) Insulin (Fasting) HOMA-IR CRP (C-Reactive Protein) Homocysteine Ferritin Iron (Serum) Transferrin Transferrin Saturation Vitamin D (25-OH) AMH (Anti-Müllerian Hormone) Progesterone Prolactin TPO Antibodies Free T3 (Triiodothyronine) Free T4 (Thyroxine) Leptin Vitamin B12 Folate (Folic Acid) Phosphorus
€709,-
Whoop

Whoop Men's Health

A 48-biomarker men's health panel inspired by the WHOOP Men's Health Panel — testosterone, PSA and prostate health plus a complete metabolic and hormone base.

Complete Blood Count (CBC) Leukocyte Differential ALP (Alkaline Phosphatase) ALT (Alanine Aminotransferase) AST (Aspartate Aminotransferase) Albumin Total Protein Bilirubin (Total) ApoB (Apolipoprotein B) Total Cholesterol LDL Cholesterol HDL Cholesterol Triglycerides Lipoprotein(a) Urea (BUN) Creatinine eGFR (Estimated Glomerular Filtration Rate) Calcium Bicarbonate Chloride Sodium Potassium Magnesium Cortisol DHEA-S Estradiol (E2) FSH (Follicle Stimulating Hormone) LH (Luteinizing Hormone) SHBG (Sex Hormone Binding Globulin) Total Testosterone Free Testosterone TSH (Thyroid Stimulating Hormone) Glucose (Fasting) HbA1c (Glycated Hemoglobin) Insulin (Fasting) HOMA-IR CRP (C-Reactive Protein) Homocysteine Ferritin Iron (Serum) Transferrin Transferrin Saturation Vitamin D (25-OH) PSA (Prostate-Specific Antigen) Prolactin Leptin Uric Acid Zinc
€659,-

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Medical standards

Dr. Naimi oversees the medical standards behind our content and assessments.

Medical policy
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Total Testosterone

€39,-