What is it and how can it help you?
When you exercise, levels of various hormones rise, and some of these hormones play a role in fat-burning and muscle growth. HGH (Human Growth Hormone) is one of those. HGH is produced by the pituitary gland in the brain, and its increasecretion is stimulated mainly by sleep and exercise. Growth hormone doesn’t directly boost muscle growth but increases the size of the connective tissue, which makes the muscle look larger. It also doesn’t increase muscle strength, but it does increase the rate of fat-burning, so it helps with fat loss.
Growth Hormone Increases with Exercise
Here is the good news: when you exercise, levels of HGH naturally rise. But moderate-intensity aerobic exercise doesn’t have the same effects that high-intensity exercise does. High-intensity exercise leads to the build-up of lactic acid., which in turn boosts growth hormone secretion. Resistance exercise also increases growth hormone levels both directly and through another growth factor called IGF-1. A single high-intensity exercise session of 10 minutes or longer can increase growth hormone secretion by up to 300% and keep it elevated for up to 24-hours afterwards. A good reason to kick your workout up a notch!
The bad news is this: over time, training can reduce the amount of growth hormone the body releases during exercise–maybe because tissues become more sensitive to growth hormone with training and less of it is needed. Growth hormone release also decreases with age, and this contributes to some of the negative effects of aging such as loss of muscle mass, increased body fat and reduction in energy level.
Can You Increase Growth Hormone Levels Naturally?
To increase HGH naturally, sleep and exercise–particularly do some resistance training and work out at a high enough intensity to tap into the anaerobic energy system. Interval training where you alternate periods of high-intensity exercise like sprinting alternating with recovery intervals is a great way to do that. Lifting heavy weights, especially compound exercises and exercises that target the larger muscles in the lower extremities will do it too.
The other way to maximize growth hormone levels is to get an adequate amount of sleep. Growth hormone secretion rises during deep sleep. This may partially explain why people who don’t sleep enough at night are more prone to weight gain…
What about diet? Insulin inhibits the release of growth hormone, so eating high-glycemic carbs that trigger a strong insulin response can reduce growth hormone release and increase fat stores. Eating carbs before bedtime isn’t a good idea since it can blunt the normal release of growth hormone during sleep. Protein foods increase the release of growth hormone.
So here is the bottom line:Growth hormone helps to preserve lean body mass and increase loss of body fat. Levels decline with age, but high-intensity exercise, adequate sleep and a diet that contains moderate amounts of protein and few high-glycemic carbs will help maximize growth hormone levels – and keep you leaner too.
There you have it!