But daytime testosterone levels can drop up to 15% when you get only 5 hours of sleep. And when your testosterone is low, your fat levels go up, which can lead to your body not using insulin well. It lowers levels of stress hormones, such as cortisol, which helps raise levels of sex hormones including testosterone. It's a natural testosterone booster because it plays a crucial role in hormone production. Both raise levels of a hormone that triggers your body to make testosterone. A minimum of 25 to 30 percent of total calories from fat, with an emphasis on monounsaturated and saturated fats, supports optimal testosterone synthesis. The clients who make the biggest testosterone gains from lifestyle optimization alone are almost always the ones who were sleeping poorly. The protocol for testosterone-optimized sleep is specific. Switching to glass food storage, filtering drinking water, choosing clean personal care products, and avoiding heating food in plastic containers are practical steps that reduce exposure. Endocrine disruptors in plastics, personal care products, and water supply represent a silent testosterone suppressor. Cortisol and testosterone exist in an inverse relationship. Research suggests that excessive alcohol consumption can decrease testosterone levels. High exposure to estrogen-like chemicals may also affect testosterone levels. Sleep quality may also have major effects on your testosterone levels. Some research shows that low vitamin D levels may be linked to lower testosterone levels. Additionally, constant dieting or overeating may disrupt your testosterone levels. Levels of testosterone are naturally much higher in males. Your adrenal glands also produce the hormone dehydroepiandrosterone (DHEA), which your body transforms into testosterone and estrogen. Testosterone levels are naturally much higher in males. Support your body’s testosterone production with Men’s Ultra Vitality Extra Strength by LifeSource Vitamins.