Where on earth did you read this? Testosterone levels are mainly the result of your hypothalamus’s response to circulating levels of testosterone in the blood.

Where on earth did you read this? Testosterone levels are mainly the result of your hypothalamus’s response to circulating levels of testosterone in the blood. Lack of sleep, large alcohol consumption, stress all cause the brain to down regulate the production. Exercise causes it to be upregulated. Food probably has a very small effect on your day-to-day levels.