They may all be broken down and turned into glucose, but all carbohydrates are not created equal. Converted into fatty acids and triglycerides for long-term energy storage, if consumed in excess.Stored as glycogen by the liver and skeletal muscles (Glycogen in muscles is turned back into glucose for energy during exercise and liver glycogen is what maintains our blood glucose levels during short fasting periods, like while we sleep.).Immediately taken up by cells and turned into energy.Glucose is transported through the blood stream and is: Much like a car that runs on unleaded fuel, our cells only take up carbohydrates in the form of glucose, so the liver then converts all of the fructose and galactose into glucose. ![]() These monosaccharides are absorbed in the small intestine and enter the the blood stream. ![]() It’s a good thing too because carbohydrates provide around half of the energy in a well balanced diet, 45-65% of calories according to the most recent Dietary Guidelines for Americans, and similarly so in Australia and the UK.įirst, lets talk carbohydrate metabolism, how our body breaks them down and uses them.Īfter eating a meal, carbohydrates are separated from dietary fiber and broken down into three monosaccharides: glucose, fructose and galactose. Image by Kim Steinhilber | Hello Healthy | The MyFitnessPal BlogĬontinuing with our Nutrition 101 series, today we’re talking carbohydrates! Love ‘em or leave ‘em (personally, I’m a fan), carbohydrates are found in pretty much everything – fruits and vegetables, grains, nuts and seeds, dairy, sweets, soda, the list goes on.
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