Insulin is a hormone produced by the body. It's essential for good health. But too much insulin is harmful to your health...and to your fitness goals. Insulin's function is to lower your blood sugar levels when it gets too high. Without proper insulin levels you could develop hyperglycemia or diabetes mellitus.
But too much insulin has negative effects, it:
* Promotes fat storage
* Inhibits fat burning
* Increases your appetite and hunger
Each of these side effects ruins your effort to get healthy and toned.
Avoid excess insulin by monitoring the amount of carbohydrates you consume. In the body, high carbohydrate foods convert glucose and rapidly enter the bloodstream. Glucose in the bloodstream prompts the secretion of insulin...and glucose can cause excess insulin. Insulin shuttles glucose out of your bloodstream. This shuttling action of insulin cuts off the release of fat for energy. Stored fat becomes unavailable for energy (fat burning). Insulin promotes fat storage.
Excess insulin also cuts off the release of the hormone glucagon. Glucagon promotes fat burning by inhibiting fat-storing enzymes. Instead it mobilizes fatty acids from fat stores to be burned for energy.
It is important to know that insulin and glucagon are paired hormones. That means that when insulin is elevated, glucagon is suppressed. When insulin levels fall, glucagon is elevated. So even if you include protein in a high carbohydrate meal, the insulin produced by the carbohydrates will not allow your body to produce a sufficient amount of glucagon.
Eating pure protein only raises glucose a little. This happens whether you're following a low carbohydrate diet or a typical high carbohydrate diet. However, while on a low carbohydrate diet the protein meal produces a very little rise in insulin, but a significant rise in glucagon...the perfect conditions for fat burning!
On the other hand, the protein meal on a high carbohydrate diet produces a large rise in insulin and only a slight rise in glucagon.
Startling Facts About Carbohydrates
There is no such thing as an essential carbohydrate. Haphazard carbohydrate consumption can wreak havoc on the best of intentions. But this doesn't mean carbs should...or can...be avoided all together. The brain prefers carbohydrates for fuel because they convert so easily into glucose. They can be used for immediate energy. But know this...there are smart carbs and dumb carbs.
All Carbohydrates Are Not Alike
There are simple carbohydrates and complex carbohydrates. Both have very different effects on your blood sugar level and the secretion of insulin. And, remember the dangers of excess insulin release in the body! "So...What's the difference?" You ask. Well...
*Simple Carbohydrates are sugars. Like yogurt, honey and fat-free cookies. Simple carbs are digested easily and enter the bloodstream rapidly signaling insulin release...thus inhibiting fat burning. Grab a banana before running out the door to the gym? The banana will be in your bloodstream before you can climb two flights on the stairmaster. Now you're getting stairmaster energy from the banana...and not from fat storage.
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