Free testosterone

1. Free testosterone has no effect on measured GFR decline in humans (-0.03 [-0.15 to 0.08] ml/min per 1.73 m2 per year per nmol/L).

   Humansmultivariable-adjusted linear mixed modelmedian follow-up of 10.9 yearsmalesn = 800

   The Renal Iohexol Clearance Survey examined whether testosterone is a risk factor for age-related measured glomerular filtration rate decline in males · Kidney international · 16 Sep 2026

1. Free testosterone is associated with sarcopenic obesity in humans.

   Humanstype 2 diabetesmales

   Low serum free testosterone is independently associated with sarcopenic obesity in males with type 2 diabetes: a post hoc cross-sectional analysis from the impact of diabetes mellitus on dynapenia study · Diabetology international · 22 Sep 2026

2. Sarcopenic obesity is associated with free testosterone in humans.

   Humanstype 2 diabetesmales

   Low serum free testosterone is independently associated with sarcopenic obesity in males with type 2 diabetes: a post hoc cross-sectional analysis from the impact of diabetes mellitus on dynapenia study · Diabetology international · 22 Sep 2026

Sarcopenic obesity →

1. Free testosterone is associated with grip strength in humans.

   Reviewmales

   Endogenous androgens, physical and cognitive function in healthy midlife men: A systematic review · Mechanisms of ageing and development · 19 Sep 2026