Intermittent fasting increases testosterone and growth hormone levels
We have already discussed about the benefits of doing intermittent fasting and we also mentioned the benefits on secretion of testosterone and growth hormones in your body. Many studies have shown that any type of fasting – prolonged time without any intake of calories – increases levels of anabolic hormones such as testosterone and growth hormone.
Having an abundant supply of testosterone and growth hormone makes the difference between being a proud man or just a miserable boy. Both hormones are highly anabolic and are therefore the primary male hormones responsible for a multitude of necessary body functions.
The positive effects range from strengthening bones, building lean muscle mass to driving your libido and increasing your sex drive, testosterone is also the key to healthy lifestyle. Natural testosterone levels peak for men around the age of 30 and growth hormone even earlier in your 20’s, both then begin to decline based on a number of factors such as lifestyle, diet, stress and genetics.
Low T-levels may come with symptoms such as mood swings, loss of sex drive, and decreased levels of lean muscle mass and the same goes for low growth hormone levels. Therefore it is vital to keep your anabolic hormones at optimal levels.
Intermittent fasting greatly increases your own body’s growth hormone (HGH) production
In this human study, the researchers discovered that after 24 hours of consuming no calories, growth hormone levels were elevated by a whopping 2000% from the normal baseline. Growth hormone levels and testosterone levels are highly correlated and highly anabolic. We can easily say that the results of this study are nothing short of amazing.
Growth hormone is just like testosterone an anabolic hormone and it is responsible for normal cell growth and faster regeneration. It also increases your body muscle mass and bone density and it also plays a major role in maintaining vital health of all body tissues, including your brain and other organs that are vital for your health. HGH also helps improve your sleeping patterns and improves REM-stage sleep. It is also known to boost overall energy levels. Growth hormone is the so called youth hormone as it slows down the effects of ageing and improves the regeneration of cells.
Since HGH typically decreases with age increasing it proves to slow down the ageing process. Please don’t think this is the youth elixir everyone is looking for but it certainly has some great benefits. As we know a decrease in HGH contributes to the decrease in lean body mass both in lower muscle mass, but also lowered bone mass which are all indications of aging. Here is a study that shows the benefits of human growth hormone in men over 60 years old.
During fasting, there is the spike in the early morning, but there is regular secretion throughout the day as well. Hartman et al study also showed a 5 fold increase in HGH in response to a 2 day fast.
Intermittent Fasting and Testosterone
As you will see intermittent fasting is really the best dietary “trick” to increase testosterone levels.
1. Did you know that every time you eat, your testosterone levels drop? It doesn’t even matter what kind of food you are eating, it could be only fat, only carbs, only protein or any combination of those. So eating every 2-3 hours doesn’t really help with raising your testosterone levels, it actually makes it harder for you. When your body is fasting you increase the time where your body has higher levels of testosterone available and you’re not negatively altering your hormones throughout the whole day. Read the research here.
2. The easiest and most effective way of burning your body fat is doing Intermittent fasting (12 hours in fasted state and your enzymes will shift to burning body fat as fuel). Studies on man have also shown that high testosterone levels correlate with low body fat percentage. One could argue dough if high testosterone levels are not the cause of lower body fat. Study
3. Another study done by researchers showed that short ramadan fasting in non-obese healthy man increased the serum Luteinizing hormone (LH) levels by a whopping 67%! Luteinizing hormone (LH) is the direct precursor hormone of testosterone.
4. That same study also showed that just a short period of fasting done by the same group of non-obese men increased the serum testosterone levels by an amazing 180%. This can be interpreted as a fact that intermittent fasting has an immediate and notable effect on your testosterone levels.
5. Even short fasting can induce autophagy. Autophagy is basically a process where your cells remove toxins and estrogenic chemicals from them. Any process that reduces or removes anything related to estrogenic toxins is basically pro-testosterone as estrogen and testosterone negate each other in some way. Study
6. Fasting also regulates leptin levels, and decreased leptin levels can stimulate testosterone secretion. It is interesting that when leptin enters the hypothalamus, testosterone levels decline (study, study, study) and it goes also the other way around, when testosterone increases, leptin decreases (study, study)
This post is much to short to go into details about every process in your body but at least now you know that intermittent fasting or any type of fasting is one of the best tools you could have or use to naturally increase your anabolic hormone levels such as testosterone and growth hormone. Intermittent Fasting is a relatively new way of eating that has been shown to have many benefits and one of them is to boost your body’s natural levels of key anabolic hormones.
Another great way to additionally increase you anabolic hormone levels is with a special way of doing exercise as explained here HIIT.