Lose weight with the right balance of carbs, fat and protein

All calories aren’t created equal. Find out where most of your calories should come from to lose weight and improve your health.

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woman holding donut and apple in hands, deciding on food

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Does it really matter where the source of your calories come from? Are all calories created equal? In scientific terms, a calorie (also known as kilocalorie or kcal), is the amount of energy required to raise one gram of water one degree Celsius. By that definition, chemically speaking, calories from fat, protein and carbs might be considered equal. When we consider the hormonal, physiological and psychological effect of various macronutrients, however, the results change…

Eat more protein to balance hormones and reduce belly fat
Protein is a necessary building block for many hormones including serotonin, melatonin, growth hormone, thyroid hormone and dopamine. If we fail to get enough in our diet, we can experience mood disorders, memory loss, increased appetite and cravings, decreased metabolism, sleep disruption, muscle loss and weight gain.

Protein triggers glucagon (which maintains normal levels of glucose in the blood while carbohydrates trigger insulin (your fat storing hormone). As you can see, two very different hormonal reactions. Protein also stimulates the release of Peptide YY from the gut, suppressing our appetite by acting on our feeding center in the hypothalamus. A protein-rich diet also helps to shed stubborn belly fat, according to a study published in Diabetes Care. Researchers compared a high-protein diet with a low-protein diet in 54 obese men and women with type-2 diabetes. Those on the high-protein diet had significantly greater reductions in total and abdominal fat mass and a greater reduction in LDL cholesterol.

Fats help to control appetite and prevent cravings
Every single cell membrane in our body is made up of fats. Fats also help us feel full and satisfied because of their effects on our appetite-controlling friends, leptin and CCK. They prevent cravings and actually help us to lose weight when we consume them in the right forms and amounts.

Perhaps the most convincing evidence proving that we need to consume fat to lose fat comes from a team of scientists at the Washington University School of Medicine. Their research showed that old fat stored around the belly, thighs or butt cannot be burned off effectively unless we have new fat coming in from our diet or our liver. In a study of 65 obese adults at City of Hope National Medical Center in Duarte, California, for example, one group added 90 grams (3 ounces) of almonds to a 1,000-calorie liquid diet; another group added complex carbohydrates like popcorn or baked potatoes. Both groups ate roughly the same number of calories and amount of protein, but the almond diet had more than double the fat, primarily healthy monounsaturated fat. Over 24 weeks, the people on the almond diet reduced their weights and body mass indexes by 18 percent compared with 11 percent in the carb group. Almost all the diabetic participants in the almond group were able to control their blood sugar on less medication, compared to only half of those in the carb group.

Cutting carbs can be more effective than cutting calories
Carbs trigger the release of insulin, the one and only hormone that is always telling our body to store energy as fat. As you can see then, consuming all of your calories from carbs in any given day would illict a completely different metabolic response than that caused by the consumption of fat or protein.

But insulin imbalance does not always outwardly manifest as obesity. Sometimes the increase in fat occurs in the liver, where its dangers can remain unseen. Curbing carbohydrates is more effective than cutting calories for individuals who want to quickly reduce the amount of fat in their liver, according to Southwestern Medical Center researchers. Both the low-calorie dieters and the low-carbohydrate dieters in the short study lost an average of 10 pounds. The study participants on the low-carb diet, however, lost more liver fat. A separate study found that cutting carbs is more effective than a low-fat diet for insulin resistant women. While another study found that even a modest reduction in consumption of carbohydrate foods may promote loss of deep belly fat, even with little or no change in weight. In a separate study, overweight and obese subjects given two eggs a day for breakfast lost 65 percent more weight than those eating a similar breakfast without eggs (note this actually involves adding more calories to the meal – yet no weight gain!). The researchers concluded that the extra protein and fats may control hunger by reducing the post-meal insulin response and control appetite by preventing large fluctuations in both glucose and insulin levels.

The bottom line: Remember, the primary hormone that tells your body to store energy as fat is insulin; therefore, lower insulin is always better for fat loss. Maintaining consistent blood sugar and insulin is one of the most important steps to balancing all hormones in the body and achieving lasting weight loss. Therefore, you should focus on eating foods that have the least impact on glucose levels in order to keep insulin in check. Enjoy plenty of protein, low glycemic fruit, green leafy vegetables, healthy fats and stick only to the carbs that keep your weight, mood and cravings in check.

So the next time you sit down to eat, look at your plate and ensure that you have enough protein and healthy fats to balance your hormones – because it is the source of the calories in your meal that matters most, not just the calories alone!

Natasha Turner, N.D. is a naturopathic doctor, Chatelaine magazine columnist, and author of the bestselling books The Hormone Diet and The Supercharged Hormone Diet. Her newest release, The Carb Sensitivity Program, is now available across Canada. She is also the founder of the Toronto-based Clear Medicine Wellness Boutique. For more wellness advice from Natasha Turner, click here.

7 comments on “Lose weight with the right balance of carbs, fat and protein

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  7. It was very interesting. However, I wish you could include a list of the best protein, carbs, etc in your blog. Also, a list of recipes would be helpful. It would get us on the right track.

    Thank you

    Reply

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