[Clinical journal of endocrinology & longevity] / Peer-reviewed journal
Articles on testosterone, hormones and blood tests
Evidence-led articles on low testosterone, SHBG, reference ranges and what the clinical studies actually measured.
Lead story● Women’s health
Andropause: is there a male menopause? Signs, causes and blood tests
Is there a male menopause? The difference between andropause and low testosterone, causes and blood tests.
By the NordicTRT clinical team
6 min · References
Latest research reviews
In-depth articles
Every article is reviewed against primary research.
Diagnostics & reference ranges7 min · NordicTRT
TRT in Europe without GP referral — how the pathway works
Symptom screen, blood tests, specialist review and a prescription only if indicated. An EU telemedicine pathway, without wait-list claims.
Women’s health4 min · NordicTRT
Low testosterone in women before 40
Drive, libido and training response can fall years before menopause. Measure testosterone and SHBG with symptoms. This is not a diagnosis and not a male protocol.
Metabolism & diabetes4 min · NordicTRT
Testosterone, insulin resistance and type 2 diabetes
What Dhindsa, the T4DM trial and the Haider registry measured — including limits and haematocrit monitoring.
Men’s endocrinology4 min · NordicTRT
Testosterone levels by age: 1987 versus today
Travison 2007: men of the same age had lower testosterone in 2004 than in 1987. What that study showed, and what it did not.
Diagnostics & reference ranges4 min · NordicTRT
Why a normal testosterone result can miss the point
A reference range describes a population. Bhasin 2011, the assay, the time of day and SHBG change what normal means.
Women’s health4 min · NordicTRT
Low testosterone in women after 40
Testosterone and SHBG after 40. What Davison measured across adult life, and why symptoms are read with the whole picture — not one number.
Diagnostics & reference ranges4 min · NordicTRT
SHBG and free testosterone
Most testosterone is bound. SHBG rises with age, so total testosterone can look fine while free testosterone has fallen.
Diagnostics & reference ranges4 min · NordicTRT
How past testosterone levels were measured
Frozen samples, repeated surveys and changing assays. What historical hormone data can and cannot show.
Men’s endocrinology4 min · NordicTRT
Testosterone decline in young men
Lokeshwar, Perheentupa and Andersson: the generational fall shows from age 15–39, including normal BMI. Investigate before treating.
Metabolism & diabetes4 min · NordicTRT
Benefits of TRT for men after 40
In men with confirmed deficiency, trials have followed changes in lean mass, bone and insulin sensitivity. The diagnosis and the follow-up belong together.
Diagnostics & reference ranges4 min · NordicTRT
What does private TRT cost in Europe? Prices and process
Private TRT from approx. €62/month incl. hormone analysis and consultation; start-up approx. €187 (DKK 1,400) with a 1-hour doctor's consultation. First blood test can be taken locally.
NordicTRT
Clinical context before conclusions.
Population data informs care. It does not replace symptoms, repeat bloodwork and an individual medical assessment.