Sun, January 11, 2026 at 1:56 PM UTC If you’ve ever had your testosterone levels checked, you may have come across two different numbers: one for free testosterone and the other for total testosterone ...

Reviewed by Clifton Jackness, MD, attending physician in Endocrinology, Diabetes, and Metabolism at Lenox Hill Hospital and The Mount Sinai Medical Center in New York City Serum testosterone levels ...

When testing for testosterone, your provider may measure total testosterone, free testosterone, or both. Total testosterone includes both bound and unbound hormone, while free testosterone reflects ...

When it comes to understanding testosterone levels, traditional testing reports one number: total testosterone. But there's more to the story, especially for men who may be experiencing symptoms of ...

New research finds that more men have suboptimal testosterone levels than previously known, and it may be putting these men at risk. A male's total testosterone level may be linked to more than just ...

Hypogonadism has long been associated with sexual dysfunction. 18,19,20,21,22 Hypogonadotropic hypogonadism is much more common than primary testicular failure. 11,15,23,24 In our clinic, which has a ...

A third of men with type 2 diabetes have low testosterone levels, a new study suggests. Testosterone helps men reduce body fat and improves the way their bodies handle insulin. So low testosterone ...

Testosterone is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, muscle mass, red blood cell count, mood, and more. But not all testosterone in ...

Siemens Healthineers announced its Atellica IM Testosterone II (TSTII) assay has achieved certification through the Centers for Disease Control and Prevention (CDC) Hormone Standardization Program for ...

Long-term testosterone replacement therapy (TRT) up to 5 years has been shown to produce progressive and sustainable weight loss (WL) in hypogonadal men. This study investigated effects of long-term ...

The assay enables ChLIA measurement of testosterone markers, delivering diagnostic capabilities for suspected male hypogonadism.

While TRT is only U.S. Food and Drug Administration (FDA)approved for men with clinically low testosterone levels, marketing ...