Comparing Benefits and Risks of Very Low Calorie Diets and Intermittent Fasting/Extended Fasting

Safety
What are the benefits of intermittent fasting?
Intermittent fasting can offer many benefits, such as weight loss, improved blood sugar control, and lower cholesterol levels. It may also cause side effects, such as headaches, fatigue, and irregular periods, according to a study published on Verywellfit.com in 2020. In addition, research has found that the practice may also increase the risk of developing eating disorders.
Can calorie restriction and fasting diets improve health?
Calorie restriction and fasting diets can lead to health benefits, such as weight loss, according to a study by the National Institutes of Health (NIH) in 2018. Calorie restriction is a consistent pattern of reducing average daily caloric intake, while fasting regimens primarily focus on the frequency of eating. Regular fasting has been found to reduce inflammation, improve heart health and cholesterol levels, and even slow down the aging process.
Is intermittent fasting safe for weight loss?
Intermittent fasting for weight loss is safe in the short term, according to Mayo Clinic research. The long-term effects of this type of diet are not yet known. Further research is needed to understand the potential risks and benefits of intermittent fasting for weight loss in the long-term. Diets that are very low-calorie are not recommended due to potential health risks.
Efficacy
Is intermittent fasting more effective than calorie restriction for weight loss?
Intermittent fasting was found to be more effective than caloric restriction in terms of weight loss, according to a study conducted by the University of Southern California, published on PubMed in 2017. Subjects had no daily calorie restriction during the IF period and consumed one meal in the evening and a late supper before sleeping with no eating or drinking during daylight hours. Intermittent fasting may help improve metabolic health.
What are the long-term benefits and risks of intermittent fasting?
The long-term benefits and risks of intermittent fasting are still unknown, according to Mayo Clinic's research on the topic. Studies have shown that it may have some short-term benefits for weight loss, but more research is needed to understand the long-term effects. Diets that severely restrict calories may pose risks in the short term.
What benefits do intermittent fasting and VLCDs have on metabolic markers?
Intermittent fasting (IF) has been found to have positive effects on metabolic markers, such as reducing trimethylamine N-oxide levels, according to a pilot study conducted by the University of Alabama at Birmingham, published in 2020. VLCDs (very-low-calorie diets) have been shown to improve glycemic control in patients with type 2 diabetes.
Nutrition
What health benefits are associated with intermittent fasting?
Intermittent fasting is a promising approach to weight loss, as it may prevent the body from adapting to calorie restriction and therefore promote further weight loss. As mentioned in Harvard T.H. Chan School of Public Health, on nutritionsource.hsph.harvard.edu, in 2020, intermittent fasting has been associated with improved metabolic health, including lower triglycerides and cholesterol.
What are the potential risks of intermittent fasting?
Intermittent fasting has both pros and cons, with studies reporting side effects such as moodiness and exhaustion. Mentioned in Verywell Fit, September 2020, it is important to be aware of these potential downsides when considering this type of eating program. Research has shown that intermittent fasting may reduce inflammation, improve metabolic health, and help with weight loss.
Fasting has numerous health benefits, such as improved metabolism and immune system, according to a study published by Medical News Today in 2015. The 5:2 Fast Diet is a popular intermittent fasting diet which involves eating the recommended calorie intake for 5 days a week and reducing calorie intake to 25% for the remaining two days. Studies have also found that fasting can reduce the risk of cancer and heart disease.
Hunger
Can intermittent fasting provide comparable results to caloric restriction?
This study demonstrated that intermittent fasting provides comparable results to caloric restriction in non-diabetic obese subjects, according to the growth hormone (GH)/Insulin like growth factor (IGF)-1 system, as reported by the University of Sfax in Tunisia in 2017. This suggests that IF is a viable option for those seeking to lose weight and improve metabolic health.
What are the long-term effects of intermittent fasting?
The long-term effects of intermittent fasting or other diets that severely restrict calories are not yet known, according to a recent study from the Mayo Clinic. While intermittent fasting may have some benefits in the short term, more research is needed to understand its potential long-term effects on health. Recent studies have shown that consuming a healthy, balanced diet and engaging in regular physical activity is still the best way to maintain a healthy weight.
Can fasting provide health benefits?
Fasting can provide health benefits such as weight loss, improved metabolism, and better blood sugar control, according to Medical News Today. The 5:2 Fast Diet is a popular intermittent fasting plan that involves eating the recommended calorie intake for five days a week and reducing calorie intake to 25% for the other two days. Studies have also found that fasting can reduce inflammation and oxidative stress in the body.
Cost
What effect did intermittent fasting have on weight loss?
Intermittent fasting resulted in the same weight loss as caloric restriction, with the subjects following a low calorie diet during CR and fasting for 15 hours in a day during the IF period, according to a study by NCBI in 2017. The nutritional pattern was changed to 1 meal in the evening and a late supper before sleeping with no eating or drinking during daylight hours.
Overall, no significant differences were found between the dropout rates of intermittent fasting groups and continuous calorie restriction groups for weight loss. According to a review conducted by Harvard T.H. Chan School of Public Health, on NutritionSource.org in 2020, intermittent fasting does not appear to be more effective than other diets for weight loss. Research has also shown that long-term intermittent fasting may lead to hormonal imbalances and metabolic changes that can affect your health in a negative way.
What are the potential benefits of intermittent fasting?
The long-term benefits and risks of intermittent fasting are not yet known. As stated by a recent research by the Mayo Clinic, intermittent fasting can have some short-term benefits for weight loss. More research is needed to understand the long-term effects of diets that severely restrict calories.
Time Commitment
Can IF be effective for long-term weight management?
Intermittent fasting (IF) has been shown to have comparable effects to caloric restriction (CR) in non-diabetic obese subjects over a two-year study period, according to a research conducted at the Growth Hormone/Insulin Like Growth Factor-1 Axis Laboratory in 2017. This supports the evidence that IF can be an effective factor in long-term weight management.
What benefits have been associated with calorie restriction diets?
Calorie restriction has been found to have beneficial effects on human health span and insulin, as evidenced by a review of classic CR vs. ketosis-inducing diets, including intermittent fasting (IF), classic ketogenic diet. As indicated by the study published in Apr 2021 by the National Center for Biotechnology Information (NCBI), CR diets may reduce the risk of CNCDs. Research has found that CR diets can improve metabolic health, including reducing visceral fat and improving cholesterol levels.
What are the benefits of intermittent fasting?
Intermittent fasting is a popular method of calorie restriction that involves periods of eating and fasting. Different types of IF programs require different amounts of fasting time, ranging from a few hours to several days each week or month. Generally, the practice has been linked to positive effects on health, such as improved metabolic health, reduced inflammation, and weight loss. According to research published on the National Center for Biotechnology Information website, intermittent fasting has been linked to improved cardiovascular health, reduced risk for chronic diseases, and improved quality of life.
Ease of Use
Does Intermittent Fasting provide similar health benefits to Caloric Restriction?
This study found that Intermittent Fasting (IF) was comparable to Caloric Restriction (CR) in terms of weight loss and cardiovascular health benefits. Mentioned in the published research in PubMed, conducted by the University of California, San Francisco in 2017, subjects participating in IF followed a pattern of one meal in the evening and a late supper before sleeping and no eating or drinking during the day light hours while CR required daily calorie restriction. Studies have shown that IF can be used as a successful weight loss strategy when compared to CR.
Can intermittent fasting benefit health?
Intermittent fasting can offer a range of health benefits, according to Mayo Clinic, such as weight loss and improved heart health. Common approaches include alternate-day fasting and 5:2 fasting. Studies have also shown that intermittent fasting can lead to reductions in oxidative stress, blood pressure and cholesterol.
Intermittent fasting and continuous caloric restrictions are both effective for weight loss, according to a 2011 study conducted by the USDA. While the USDA recommends caloric intake based on age, gender, and activity level, intermittent fasting typically involves a very low calorie intake on fasting days. Recent research has suggested that intermittent fasting may have numerous health benefits beyond weight loss.
Long-Term Effects
Can intermittent fasting help with weight loss?
Intermittent fasting is an effective weight loss strategy, as it can reduce physiological changes that prevent further weight loss due to prolonged low-calorie diets. [2] Harvard T.H. Chan School of Public Health states that this dieting technique can be successful in combination with calorie restriction and physical activity. Research shows that intermittent fasting can improve metabolic health markers.
What are the benefits of calorie restriction and fasting diets?
Calorie restriction and fasting diets are both effective in reducing average daily calorie intake and frequency of eating. According to the National Institutes of Health, these diets may lead to weight loss and improved health outcomes. Research suggests that fasting diets may provide the body with a period of rest and healing, leading to improved energy levels and mental clarity.
Can calorie restriction improve health and reduce risk of chronic disease?
Calorie restriction (CR) has been found to have beneficial effects on human health span and insulin levels. According to a review published in 2021 by the National Institutes of Health, CR diets, including intermittent fasting (IF) and classic ketogenic diet, can lead to improved health and reduced risk of chronic non-communicable diseases. Evidence has suggested that CR also increases lifespan in some cases.
Support Resources
Can intermittent fasting be effective for weight loss?
Intermittent fasting can be an effective tool for weight loss, however, prolonged calorie restriction can lead to the body adapting to the decreased caloric intake and stalling further weight loss. Sourced from a study by Harvard T.H. Chan School of Public Health, on nutrition.hsph.harvard.edu in 2020, this can be avoided by regularly cycling between periods of eating and fasting.
What are the potential side effects of intermittent fasting?
Intermittent fasting has several potential benefits, but also carries risk of side effects, such as fatigue and hunger. As reported by Verywell Fit, studies investigating intermittent fasting point to certain side effects that may occur during the fasting stage of the eating program. Research has shown that intermittent fasting can help people lose weight and improve their overall health.
What are the benefits of fasting?
Fasting has many health benefits, such as improved metabolism, extended lifespan and reduced risk of chronic diseases. An info from Medical News Today, one popular form of fasting is the 5:2 Fast Diet, which involves eating the recommended calorie intake for 5 days a week and reducing calorie intake to 25% for 2 days a week. Recent studies suggest that fasting can help to regulate hormones, improve cognitive function and reduce inflammation.
Sustainability
What are the effects of intermittent fasting on non-diabetic obese subjects?
The study concluded that intermittent fasting (IF) is similar to caloric restriction (CR) in terms of its effect on non-diabetic obese subjects, as reported by the growth hormone (GH)/Insulin like growth factor axis, according to a research conducted by the National Center for Biotechnology Information (NCBI) in 2017. This type of fasting has demonstrated to be more sustainable than CR over time.
Does intermittent fasting help with weight loss?
Intermittent fasting appears to be an effective treatment for obesity, according to a systematic review conducted by the National Institutes of Health in 2019. This review found that evidence supported the use of IF as an alternative to calorie-restricted diets for weight loss. The review found that IF was associated with reductions in body fat and waist circumference, improved metabolic profile, and increased adherence to diet.
What are the benefits of intermittent fasting?
Intermittent fasting has many potential benefits, including weight loss, improved metabolic health, and reduced inflammation. According to Mayo Clinic, some popular approaches to intermittent fasting include alternate-day fasting and 5:2 fasting. Studies have shown that intermittent fasting can help reduce body weight by 3-8%, improve insulin sensitivity by up to 25%, and reduce LDL cholesterol levels by up to 20%.
Source:
- Verywellfit : Intermittent Fasting, Pros, Cons.
- Nih : Comparison, Intermittent Fasting, Caloric Restriction.
- Harvard : Diet Review, Intermittent Fasting, Weight Loss.
- Mayoclinic : Mayo Clinic Q, A, Long-term benefits, risks.
- Harvard : The positive news.
