The Keto Diet ranks 1st on the list of the best fast weight-loss diets, according to the U.S. News & World Report. Ketogenic—also known as "Keto"—a diet, is a diet low in carbohydrates (carbs) and high in good fats. The Keto diet helps the body burn more energy without having to go on a strict diet. The Ketogenic diet is designed to force the body to switch from using glucose (such as grains, legumes, beans, vegetables, and fruit) as its primary source of energy to using fat. The energy comes from another source, ketones, which are a type of fuel that the liver produces from stored fat in the body. This diet is aimed at helping individuals burn fat and lose weight quickly by giving followers a feeling of fullness and helping to reduce cravings.

This is an effective way to lose weight and limit the risk of weight gain. Many studies show that The menu of the Keto diet has many advantages over other low-fat diets. The Keto Diet helps the body burn fat, reduce calories and increase satiety more than other weight loss diets. One study found that people who followed the Keto diet found that they lost weight 2.2 times faster than those who followed other diets. In addition to weight loss, the Keto diet can also help prevent the risk of diabetes.

The Atkins Diet is a low-carb diet created by Dr. Robert Atkins in 1972. This diet is based on the Low Carb weight loss method that allows followers to consume only a small amount of carbs in their meal. Besides, Atkins Diet is a long-term Low Carb diet (reducing the amount of starch absorbed into the body) to get a safe weight loss process and maintain weight for a long time. This diet recommends eating foods high in protein, low in fat, vegetables and limiting or completely cutting out simple carbohydrates like sugar and flour. In short, you can eat foods that are high in protein, high in fat and low in carbs.

Instead of carbs, the Atkins Diet emphasizes protein, vegetables and healthy fats, using the Atkins Food Guide Pyramid to recommend what foods to eat and what not to eat. Basically, the Low Carb Atkins diet has 4 certain phases: Start, Balance Diet, Maintain Weight After Dieting and Maintain Lifetime. In addition to weight loss, the Atkins Diet improves heart health and improves cholesterol levels. Following the Atkins diet can be difficult in the early phases because it severely restricts entire harmful food groups for months and years. People who follow this regimen have lower success rates than short-term diets.

The Nutrisystem Diet ranks 3rd on the list of the best fast weight-loss diets, is a popular weight loss program that has been around since the 1970s. Nutrisystem is a commercial weight loss diet. That means your meals will depend on the meal plan provided by the company, which includes prepackaged meals, snacks, and frozen foods. This diet helps you lose weight without thinking much about the daily menu. The Nutrisystem Diet is designed to help followers achieve long-term results through high-protein, low-glycemic foods that help stabilize blood sugar and control hunger. Low-carb foods take longer to digest, so you'll feel full longer, which can help you eat less throughout the day. Nutrisystem offers programs for adults, vegetarians, diabetics and especially two people living in the same household.

Nutrisystem Diet is a 4-week weight loss program that divides each day into six small meals – breakfast, lunch, dinner and three snacks. If you stick to the diet closely, your daily calorie intake will average between 1,200 and 1,500 calories, which creates a calorie deficit that leads to weight loss for most people. According to the website Nutrisystem, you can lose 1-2 pounds per week if you follow this diet and you can lose up to 18 pounds in the shortest time possible. The Nutrisystem Diet is a long-term dietary program that provides quality meals. It is convenient for everyone and in addition to its ability to help with short-term weight loss, it also helps control blood sugar.

Optavia Diet is owned by Medifast, a company that provides ready-to-eat meals. Both the Master Diet (aka Medifast) and Optavia are low-calorie diets that combine packaged and homemade foods to promote weight loss. Optavia products have the same nutritional diversity as the original Medifast products, but without artificial colors, flavors or sweeteners.

The Optavia Diet consists of three weight loss plans namely 'Optimal Weight 5 & 1', 'Optimal Weight 4 & 2 & 1' and a weight maintenance plan of 'Optimal Weight 3 & 3'. Studies done for the Medifast program also apply to OPTAVIA because the nutritional profiles of the two programs are identical. With limited dietary options, sticking to this plan will almost certainly help with weight loss. According to the company, the average weight loss on the '5&1 Plan' is 12 pounds over 12 weeks. The average weight loss for 'Plan 4 & 2 & 1' is 10 pounds in 12 weeks. In addition to its ability to aid in weight loss, this diet may also lower blood sugar in people with diabetes. This diet can be difficult for believers. Currently, there are no studies examining the long-term results of the Optavia diet. However, a similar MediFast program study found that only 25% of participants maintained the diet for a year.

SlimFast Diet appeared and developed since 1977, is a weight loss plan based on smoothies and snack bars developed by the company. Smoothies come in the usual variety, mostly low in sugar and high in protein, while snacks contain 100 calories per product. Snacks can be SlimFast branded snacks, fresh fruits, vegetables or some nuts. Your third meal of the day, called the "reasonable meal," will contain between 500 and 600 calories. SlimFast is the best choice for people who need to lose about 20 pounds, this process will take 8 to 10 weeks.

Following SlimFast's 1-2-3 plan means you have to eat 1 reasonable meal, 2 replacement meals and 3 snacks daily. Women are encouraged to consume about 1,200-1,300 calories per day on the SlimFast plan. Men can consume an extra 400 calories per day or can double their calorie intake by drinking milkshakes and adding 200 calorie small meals throughout the day. As a meal replacement diet, the SlimFast Diet does not meet the USDA's definition of a healthy eating plan because it replaces whole foods with milkshakes that contain artificial ingredients and added sugars. This diet has helped many people lose weight quickly, but it is not a long-term weight loss solution or a sustainable diet. The Slimfast Diet does not teach important skills needed for long-term weight loss, such as planning and preparing healthy meals.

The Jenny Craig Diet ranks 6th on the list of the best fast weight-loss diets, founded in 1983 by Sid and Jenny Craig, is a supportive diet program for people who want to lose weight and stay in shape. The program offers low-calorie prepackaged meals and is directly supported by a coach. Your personal trainer will be with you from day one. As a result, you can get support, motivation and guidance on how much nutrition you should eat, what a balanced diet is and how to use this knowledge to maintain your weight. Follow this diet and you can lose up to 2 pounds per week.

The meals that Jenny Craig Diet provides include breakfast and lunch. Your diet will range from 1,200 to 2,300 calories per day based on your current weight, age, gender, height and exercise habits. There are three meal plans: 'Simple Meal Plan', 'Essential Meal Plan' and 'Maximum Weight Loss Meal Plan'. Sticking to the Jenny Craig Diet will increase your chances of achieving short-term and long-term weight loss results. According to Jenny Craig's website, members can lose an average of 1-2 pounds per week during the program. A second study found that Jenny Craig helped you lose about 5% more weight after a year than Weight Watchers, Nutrisystem or SlimFast (3, 4). Exercise is not required, but 30 minutes of physical activity 5 days a week is recommended to improve results.

The Mayo Clinic Diet was created based on the book Mayo Clinic Diet that was first published in 1949 and last updated in 2017. It was developed by the weight loss experts at the Mayo Clinic, one of major hospital systems in the United States.

The Mayo Clinic Diet helps you rebalance your diet by breaking bad habits and replacing them with good ones with the help of 'Mayo's Unique Food Pyramid' . Overall, this diet's menu is low in calories, meaning you can eat more while absorbing fewer calories.

The Mayo Clinic Diet is a 12-week program that includes two phases: "Lost It!" The first two weeks of the program apply 10 healthy habits and quit 5 harmful habits. At this phase, you can lose up to 6 to 10 pounds. "Live it!": you will learn wise food choices, portion sizes, meal preparation and exercises about physical activity. At this phase, you can lose up to 1 to 2 pounds per week until you reach your weight goal. The Mayo Clinic diet can help you lose weight for a variety of reasons. Encouraging exercise along with a nutritious diet of fruits, vegetables, whole grains and high-fiber foods can help promote weight loss by making you feel less hungry and fuller for longer. In addition, studies have shown that exercise combined with a low-calorie diet contributes to more effective weight loss than diet alone.

The South Beach Diet was created by cardiologist Dr. Arthur Agatston in the 1990s. The diet encourages limiting harmful carbs and focuses on healthy, low-fat carbs, including whole grains, vegetables and fruits. Here's how to reduce your cravings so you can lose weight and improve your health. The first phase of this diet restricts carbohydrate-rich foods such as fruits and whole grains. The second phase is a little more gentle, it focuses on sources of fat, lean protein and complex carbohydrates. The first two phases are aimed at weight loss, while the last phase of the diet is aimed at weight maintenance.

In addition to promoting weight loss, the diet can also improve heart health and lower blood sugar levels. For most people, following the South Beach Diet with a few minor modifications to fit your needs can be a safe and effective way to lose weight and achieve better health. This mode is pretty easy to follow. You can find the food you need in any supermarket and the recipes for your meals are easy to prepare. For example, breakfast might be simple oatmeal with berries, lunch might be a grilled chicken salad and dinner might be roast pork tenderloin and sweet potatoes. Exercise is recommended. For best results, incorporate 30 minutes of exercise each day.

The Volumetrics Diet ranks 9th on the list of the best fast weight-loss diets, developed by Dr. Barbara Rolls, a registered dietitian at Pennsylvania State University, is an eating plan intended to help you combine a healthy diet and lifestyle. Healthy eating is based on nutritious foods and regular exercise. This diet focuses on foods that are high in water and low in calories to keep you full for longer and reduce cravings. The main foods in this diet include fruits, vegetables, whole grains, low-fat dairy products and low-fat meats.

Foods of the Volumetric Diet are classified into four categories. Categories 1 and 2 include very low to low energy foods (fruits, vegetables, whole grains, etc.) that should be eaten regularly. Categories 3 and 4 include fatty meats, fish, refined carbohydrates and processed foods that should be limited to meet your health goals. Dr. Rolls believes that the key to healthy weight loss is eating low-calorie foods. The diet claims to help you lose a pound or two per week. As long as you stick to this diet, you can lose weight steadily. This diet suggests you have to be patient because it is difficult to stay full for long with low energy density foods or some people do not like to eat fruits and vegetables every day.

WeightWatchers (WW) is a diet plan first developed in the 1960s that promotes weight loss through scoring. That means each food is scored differently based on their calorie, fiber and fat content. To lose weight, you must keep your score within the daily score limit. Weight Watchers (WW) is a plan to make sensible dietary choices and stay active. At the start of the program, each dieter will receive a daily score based on personal information such as height, age, gender and weight. The SmartPoints system calculates points for all WW dishes, drinks and recipes.

Many studies have shown that the Weightwatchers diet can actually help you lose weight. One study found that people who followed this diet lost 2.6% more weight than those who followed other diets and they were more likely to maintain their weight after successful weight loss. You can lose weight both short term and long term with WW if you persevere. You don't have to go hungry with this diet. The daily score is high enough to allow for three meals and at least two snacks per day. This diet is very easy, you can check the score what you are eating using the WW app. If you want to cook, go to the grocery store, the recipes are available on the app and it's completely easy to cook. More effective when combined with 30 minutes of exercise per day.