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Glucose intake and the rise of blood sugar
may lower men's testosterone levels, a new study suggests.
A
team of researchers examined the testosterone levels of 74 men
who received a standard dose of glucose and were then administered
an oral glucose tolerance test.
The researchers
found that 42 men had normal glucose tolerance on the test,
23 had impaired glucose tolerance, and nine were newly diagnosed
with type 2 diabetes.
Regardless
of having normal glucose tolerance, prediabetes, or diabetes,
the study authors found that the glucose solution the men
ingested had lowered their testosterone blood levels by as
much as 25 percent.
After
two hours, the testosterone levels remained much lower than
before the test in 73 of the 74 men.
Before
the test, 66 men had normal testosterone levels, but 10 of
these men became hypogonadal at least once during the test.
Based
on this research, the study authors recommended that men who
have low testosterone should have their hormone levels re-tested
after an overnight fast.
The
researchers reported their results at The Endocrine Society's
91st Annual Meeting in Washington, D.C. |
