Metabolic and health implications of low carbohydrate diets.

By | August 11, 2020

metabolic and health implications of low carbohydrate diets.

Journal of obesity. Indeed, recent studies of carbohydrate intake and its relationship to the development of CHD and type 2 diabetes have been rather revealing, showing that an increase in carbohydrate intake is related to increases in both conditions [ 20 ]. Human skeletal muscle can oxidize at least seven amino acids: leucine, isoleucine, valine, glutamate, asparagine, aspartate and alanine. Weight In our review of low-carbohydrate diets in this journal, we noted that low-carbohydrate diets may achieve better early weight loss than comparison diets higher in carbohydrate, but weight loss was comparable for studies that were one year or longer. Click through the PLOS taxonomy to find articles in your field. The publisher’s final edited version of this article is available at Curr Diab Rep. Effects of a Mediterranean-style diet on the need for antihyperglycemic drug therapy in patients with newly diagnosed type 2 diabetes: a randomized trial. N Engl J Med. Macdonald IA: Carbohydrate as a nutrient in adults: range of acceptable intakes. Cardiovascular Risk Indices Research findings have been mixed with respect to the effects of the amount of dietary carbohydrate on blood lipids.

Low-carbohydrate diets are associated with cardiovascular risk factors; however, the results of different studies are inconsistent. The aim of this meta-analysis was to assess the relationship between low-carbohydrate diets and cardiovascular risk factors. We collected data from 12 randomized trials on low-carbohydrate diets including total cholesterol, high-density lipoprotein cholesterol HDL-C, low-density lipoprotein cholesterol LDL-C, triglycerides, and blood pressure levels, as well as weight as the endpoints. The average difference MD was used as the index to measure the effect of a low-carbohydrate diet on cardiovascular risk factors with a fixed-effects model or random-effects model. The analysis was further stratified by factors that might affect the results of the intervention. From studies identified in the initial search results, 12 randomized studies were included in the final analysis, which showed that a low-carbohydrate diet was associated with a decrease in triglyceride levels of Low-carbohydrate diet interventions lasting less than 6 months were associated with a decrease of The change in the body weight in the observation groups was The change in the systolic blood pressure of the observation group was The plasma LDL-C level increased by 0. This meta-analysis confirms that low-carbohydrate diets have a beneficial effect on cardiovascular risk factors but that the long-term effects on cardiovascular risk factors require further research. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Metrics details. During very low carbohydrate intake, the regulated and controlled production of ketone bodies causes a harmless physiological state known as dietary ketosis. Ketone bodies flow from the liver to extra-hepatic tissues e. In comparison with glucose, the ketone bodies are actually a very good respiratory fuel. Indeed, there is no clear requirement for dietary carbohydrates for human adults. Interestingly, the effects of ketone body metabolism suggest that mild ketosis may offer therapeutic potential in a variety of different common and rare disease states. Also, the recent landmark study showed that a very-low-carbohydrate diet resulted in a significant reduction in fat mass and a concomitant increase in lean body mass in normal-weight men. Contrary to popular belief, insulin is not needed for glucose uptake and utilization in man. Finally, both muscle fat and carbohydrate burn in an amino acid flame. Unfortunately, the leading exercise physiology textbook also claims a ” low-carbohydrate diet sets the stage for a significant loss of lean tissue as the body recruits amino acids from muscle to maintain blood glucose via gluconeogenesis [ 2 ]. The hormonal changes associated with a low carbohydrate diet include a reduction in the circulating levels of insulin along with increased levels of glucagon.

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