Insulin Sensitivity Affects Testosterone Levels in the Body

Insulin sensitivity affects testosterone levels in the bodyJanuary 7th, 2010 – Research has shown that people with type II diabetes and metabolic syndrome (i.e. insulin resistance) have significantly lower testosterone levels than regular men. (1,2) Insulin resistance is basically a condition where the insulin created by the body is insufficient to drive nutrients into the muscle and fat cells. This stems from having chronically elevated blood insulin levels.

Under constant stimulation from insulin, cellĂ­s become less sensitive to its effects, requiring more and more insulin to get nutrients into the cells. Therefore, anything which drives up blood sugar – like sugar, rice, pasta, beer, carbs of all kinds – and thus insulin levels can lead to a reduction in insulin sensitivity. Reduced insulin sensitivity equals lower testosterone levels.

References –

1. The dark side of testosterone deficiency: II. Type 2 diabetes and insulin resistance.

Traish AM, Saad F, Guay A.

J Androl 2009 Jan-Feb;30(1):23-32

2. Low testosterone levels are common and associated with insulin resistance in men with diabetes.

Grossmann M, Thomas MC, Panagiotopoulos S, Sharpe K, Macisaac RJ, Clarke S, Zajac JD, Jerums G.

J Clin Endocrinol Metab. 2008 May;93(5):1834-40

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