Hi guys,
I was recently doing some research on the net regarding diets which could increase endogenous levels of testosterone.
So here’s a fraction of the article:
[…]Remember, it is the bioactive fraction of total T that is important. This fraction consists of fT and albumin-bound T. Fasting suppresses T production and small amounts of either PRO or CHO do not reverse the suppression. Diets with a PRO intake greater than the CHO intake lower total T levels, and may actually decrease the bioactivity of T in the body. Higher CHO diets (70% or more from CHOs) may increase T levels, but they also affect the metabolism of T as well.
While the role of fat is not entirely clear, saturated fat and cholesterol are closely linked to higher levels of T and PUFAs have some modifying role.
So, what is the best type of diet to follow if your only concern is to increase T levels and make more of it available to the body for the purpose of improving lean body mass and/or performance? It would seem that CHO intake must exceed PRO intake by at least 40% to keep the bioactive fraction of T high. Fat intake should be at least 30%, saturated fat needs to be higher than PUFA, and fiber intake needs to be low.
A sample diet would have roughly the following calorie breakdown: 55% CHO, 15% PRO and 30% fat. On the other hand, what if you wanted to lower your T levels in order to minimize cardiovascular disease risk factors and/or hormone-dependent cancer risks? Then a diet with more protein, more fiber, a fat intake below 25%, and a P:S ratio of 1 or higher would be a more prudent choice. The breakdown of this sample diet would be about 50% CHO, 30% PRO and 20% fat.
The problem with using percentages, however, is that people with high calorie needs will most likely take in far more protein then they need. Another strategy is to keep protein intake the same (ie 1 gram per pound of BW) and then play around with the fiber, SFA:PUFA ratio, CHO, and total fat contents of the diet. Antioxidants are important additions when trying the higher fat diets.
Keep in mind there are many factors that affect T production and they interact in a complex and seemingly unpredictable fashion. We invite feedback and will respond to all questions, comments, etc. Several readers have mentioned the idea of cycling a diet that maximizes T and then switching back to a healthier type of diet. For those that do try this, please let us know your results.
If you read the final conclusion, you will see that the author recommends HIGHER amounts of carbs AND fats as opposed to protein in order to increase free testosterone levels.
Now this came to me as a shock and total contradiction, since I’m a veteran reader of this site and we’ve all read about the added benefits of high protein diets with moderate carb and fat intake.
Your thoughts regarding the article?"