testosterone levels

  1. J

    Lifestyle Factors That Influence Testosterone Levels

    From an online article: Researchers analyzed serum total testosterone and sex hormone-binding globulin levels from a cohort of 208,677 men aged 40 to 69 years participating in the population-based, prospective cohort UK Biobank study from 2006 to 2010. Demographic and medication information...
  2. J

    More Evidence of Declining Testosterone

    Another study presented at the recent American Urological Association Conference found that over the time period studied mean testosterone levels fell by 25%. A news article explains: "From 1999 to 2016, testosterone levels have declined in adolescent and young adult men (AYA), according to...
  3. AndrogenHacker

    Decline in Serum Testosterone Levels Among Adolescent and Young Adult Men in the USA

    Decline in Serum Testosterone Levels Among Adolescent and Young Adult Men in the USA - ScienceDirect Abstract: So sad.
  4. AndrogenHacker

    Social withdrawal and testosterone levels in early adolescent boys

    Highlights • Social withdrawal in general early adolescent boys was evaluated by primary parents. • Salivary testosterone was measured by liquid chromatography-tandem mass spectrometry. • A higher risk of boy’s social withdrawal was related to a lower testosterone level. • The association...
  5. G

    How long till levels reach optimum?

    I know this is a pretty broad question, and thats why Im not looking for a exact answer. I started TRT about 2 weeks ago, or maybe 3 now. I've notied the effects this last week, and I wish I would have started it sooner. I guess my question is, how long before I see a increase in my testosterone...
  6. T

    Low testosterone symptoms at 25, Total T at 5.14 ng/ml

    Hello, I need an opinion about my testosterone levels and symptoms. I’m 25 years old, never have done any cycle or taken anything related to hormones or esteroids. I have some symptoms of low testosterone levels: Low sex drive (not motivated to talk to woman I find attractive) Depressive...
  7. P

    Can Metformin lower Free and total T levels?

    According to Life Extension, it may. http://www.lifeextension.com/Magazine/2017/4/Metformin-Slashes-Cancer-Risks/Page-01 Just got my T levels dialed in at 1076, the last thing I want is something to lower them, opinions?
  8. W

    New to This...

    I am a 39 yo male and just got my T levels checked due to some symptoms including: 1. Low Sex Drive 2. Slight Weight Gain 3. Fatigue 4. Erection Issues My T levels came back as follows: Total Testosterone 410 ng/dL Free Testosterone 14.39 Free % 3.51 SHBG 29.2 Luteinizing Hormone 1.96 mlU/L...
  9. Nelson Vergel

    Testosterone Level: How Low is Too Low? Health Consequences of Low Testosterone

    I was able to summarize all available studies on testosterone blood levels and how they are linked to several health issues. I will add references soon.