Why should I eat complex carbohydrates if I want to lose weight?

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Marshelya D. Wilson, MD
Family Medicine
Complex carbohydrates are made of a chains of simple sugars. Because it takes longer to digest them, complex carbohydrates raise the sugar less rapidly. They actually help provide energy for our body's energy demands. Because they take a longer time to digest, you feel fuller for a longer period of time.
Toby Smithson
Nutrition & Dietetics

Complex carbohydrates will help you feel fuller for longer because they are absorbed slower in the blood stream. This is helpful with satiety levels, so you are not hungry as quickly as you may be if you chose simple carbohydrates. Simple carbohydrates are sugar, syrup, honey, jelly, sweetened beverages, and sports or energy drinks. Complex carbohydrates include whole grain breads, cereals, and grains, beans, and fruits. Calories from complex carbs versus simple carbs are equivalent but the slower absorption of complex carbs is key to the managing your weight equation.

F. Michael Gloth, III
Geriatric Medicine
The body can only use simple sugars; this means complex sugars (complex carbohydrates) must be broken down into a usable form. This process requires more energy than is required when digesting a simple sugar. The energy needed to digest complex sugars is supplied by the calories consumed. Any process that requires using energy (burning calories) will help you achieve your weight loss goal. Thus, it's easy to see how eating complex carbohydrates can lead to less fat accumulation, even though they have the same number of calories as comparable quantities of simple sugars.

Some complex carbohydrates are so fibrous that they can't be assimilated by the body. Instead, they pass through the digestive tract without adding anything to the body -- including calories. Celery is an excellent example of a food that contains abundant fiber that can't be adequately assimilated. As a result, you can eat celery in quantity without gaining any weight. In fact, celery requires so many calories to break down that it leads to a net loss of calories. Many non-root stalk vegetables have similar properties, although usually to a lesser extent than celery.
Fit at Fifty and Beyond: A Balanced Exercise and Nutrition Program (A DiaMedica Guide to Optimum Wellness)

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Fit at Fifty and Beyond: A Balanced Exercise and Nutrition Program (A DiaMedica Guide to Optimum Wellness)

As people reach their fifties, the body’s metabolism slows. Without a change in eating or exercise habits, it’s common to put on weight and become less able to perform routine physical...

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Carbohydrates and Weight Loss

Carbohydrates and Weight Loss

When it comes to losing weight, not all carbohydrates are created equal. Carbs have a tendency to increase appetite, which can make it hard to lose weight. But you don't have to eliminate them completely. Simply limiting your carb...

ohydrate intake can have a positive effect on weight loss. Also, make sure you're eating your carb-heavy foods earlier in the day so you have time to burn them off. And don't forget - be wary of low-carb diets. They can raise your cholesterol and cause unpleasant side effects like stomach upset, headaches and a decrease in mental alertness.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.