The cholesterol found in dietary fat provides the crucial building blocks that your body needs to create vital bodybuilding hormones like testosterone. That’s why the low-fat diets of the 1990s left people feeling weak and sore, and more interested in watching Frasier than having sex. It turns out that some fats are better at synthesizing testosterone than others.
The medical journal Lipids published research by Argentinean scientists that showed the rates at which cholesterol from different cooking oils was absorbed by the testes. (Leydig cells within the tes-tes manufacture testosterone from cholesterol.) Rats were fed one of four types of oil grapeseed, soy, olive, or coconut oil for 60 days.
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