
The South Beach Diet was created in the mid-1990s by celebrity doctor and cardiologist Arthur Agatston with the assistance of Marie Almon, the former chief dietitian. Originally called the Modified Carbohydrate Diet, it was renamed after the South Beach neighbourhood in Miami Beach, near Agatston's practice. The diet was initially developed for Agatston's own patients and grew in popularity as a method of weight loss. The first book describing the diet, The South Beach Diet, was written by Agatston and released in April 2003.
| Characteristics | Values |
|---|---|
| Date Created | Mid-1990s, specifically 1995 |
| Creator | Dr. Arthur Agatston, a Florida-based cardiologist, with the assistance of Marie Almon, the former chief dietitian |
| Purpose | Weight loss and improving risk factors associated with cardiovascular disease |
| Phases | 3 |
| Phase 1 | Weight loss phase, lasts 2 weeks, limited to 50 grams of net carbs each day, includes protein, non-starchy vegetables, small servings of low-fat dairy products, legumes, berries, and healthy fats |
| Phase 2 | Maintenance phase, adds back healthy carbs, whole grains, and fruits, lasts until the desired weight is achieved |
| Phase 3 | Final phase, a lifelong diet with no food restrictions but attention to serving sizes |
| Book | The South Beach Diet, released in April 2003 |
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What You'll Learn
- The South Beach Diet was created in the mid-1990s by cardiologist Dr. Arthur Agatston
- It's a low-carb, high-protein, and high-healthy-fat diet
- It's been popular for over a decade, but it's also been criticised as a fad diet
- The diet is split into three phases, with the first being the most restrictive
- The South Beach Diet may be effective for short-term weight loss, but long-term effects are unknown

The South Beach Diet was created in the mid-1990s by cardiologist Dr. Arthur Agatston
Unwilling to prescribe the Atkins approach to patients with cardiac issues due to the diet's allowance of saturated fat and limitation of carbohydrates containing fibre and other nutrients, Agatston referenced medical research to build an eating plan that categorised fats and carbohydrates as 'good' or 'bad' and emphasised lean protein and fibre. The South Beach Diet is a low-carb, high-protein, and high-healthy-fat diet. It does not require dieters to forgo carbohydrates entirely or even measure their intake. Instead, it focuses on the "glycemic impact" (short-term change in blood glucose) of foods.
The South Beach Diet grew in popularity as a method of weight loss as Agatston reported the results at conferences and patients shared photocopies outlining the diet. The first book describing the diet, The South Beach Diet, was written by Agatston and was released in April 2003. By 2004, there were about 8 million copies in print. The South Beach Diet has been popular for over a decade and has been credited with producing rapid weight loss without hunger, all while promoting heart health.
However, the South Beach Diet has also been criticised for being a restrictive "fad" diet. The UK's National Health Service (NHS) reports that dietary restrictions during stage one may cause side effects including "bad breath, a dry mouth, tiredness, dizziness, insomnia, nausea, and constipation." The South Beach Diet is considered safe in the short term, but its long-term safety is unknown. There is little research on the South Beach Diet, and it is unclear whether following the diet keeps weight off in the long term.
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It's a low-carb, high-protein, and high-healthy-fat diet
The South Beach Diet has been around for almost two decades. It was created in the mid-1990s by Dr. Arthur Agatston, a Florida-based cardiologist, and was published in a book in 2003. The diet is said to be a low-carb, high-protein, and high-healthy-fat diet.
The South Beach Diet is divided into three phases, with the first phase being the most restrictive. This phase focuses on lean protein, non-starchy vegetables, small amounts of low-fat dairy, legumes, and healthy fats like nuts, olive oil, and avocado. It aims to reduce junk food cravings and control blood sugar and insulin levels. The second phase gradually introduces healthy carbs, whole grains, and fruits, while the final phase is a lifelong maintenance plan that includes all food groups but emphasizes portion control.
The diet emphasizes choosing "good" carbs with a low glycemic index and healthy fats, especially monounsaturated fats like olive oil and avocado. It encourages the consumption of fatty fish like salmon, which is high in omega-3 fats, and discourages unhealthy fats like soybean oil and safflower oil, which are high in omega-6 fatty acids. The South Beach Diet also includes lean meats, vegetables, and low-fat dairy.
While the diet has been credited with producing rapid weight loss, some critics argue that it may be overly restrictive, particularly in the first phase. Additionally, it allows potentially harmful types of fat and processed vegetable oils, which can pose health risks. However, the South Beach Diet's emphasis on lean protein and healthy fats makes it a popular choice for those seeking a low-carb, high-protein, and high-healthy-fat diet.
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It's been popular for over a decade, but it's also been criticised as a fad diet
The South Beach Diet was created in the mid-1990s, specifically in 1995, by cardiologist Dr Arthur Agatston with the assistance of Marie Almon, the former chief dietitian. The diet was originally called the Modified Carbohydrate Diet, but it was renamed after the South Beach neighbourhood in Miami Beach, near Agatston's practice.
The South Beach Diet has been popular for over a decade. It is a low-carb, high-protein, and high-healthy-fat diet that has been credited with producing rapid weight loss without hunger, all while promoting heart health. The diet includes lean protein, healthy fats, whole grains, vegetables, and fruits. It is based around taking three main meals and two snacks per day. The first stage of the diet aims for rapid weight loss (8 to 13 lbs in two weeks).
However, the South Beach Diet has also been criticised as a restrictive "fad" diet. The UK's National Health Service (NHS) reports that the first stage of the diet may result in the loss of some vitamins, minerals, and fibre, and may cause side effects such as bad breath, a dry mouth, tiredness, dizziness, insomnia, nausea, and constipation. The diet may also be overly restrictive with respect to the amounts and types of fats allowed, and it allows potentially harmful types of fat, such as soybean oil and safflower oil, which are extremely high in omega-6 fatty acids.
There is also little research on the South Beach Diet, and some of the nutrition claims made in the original book may not be supported by evidence. A 2006 report reviewed the nutrition facts presented in the South Beach Diet and found that more than 67% of them may not be supported in the peer-reviewed literature. While the diet is considered safe in the short term, its long-term safety is unknown.
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The diet is split into three phases, with the first being the most restrictive
The South Beach Diet was created in the mid-1990s by Dr. Arthur Agatston, a Florida-based cardiologist. The diet, originally called the Modified Carbohydrate Diet, was renamed after the South Beach neighbourhood in Miami Beach near Agatston's practice. It was developed as an alternative to the Atkins diet, which Agatston believed was too high in fat and too restrictive in terms of fruit and whole grain intake.
The South Beach Diet is split into three phases, with the first being the most restrictive. Phase 1 is the weight loss phase and lasts for two weeks. During this phase, dieters are limited to 50 grams of net carbs each day, and it will mostly consist of protein and non-starchy vegetables, with very small servings of low-fat dairy products, legumes and berries, as well as sources of monounsaturated healthy fats, including nuts, olive oil and avocado. According to the UK's National Health Service (NHS), the restrictions during this phase may result in the loss of some vitamins, minerals and fibre, and may cause side effects such as bad breath, a dry mouth, tiredness, dizziness, insomnia, nausea, and constipation.
Phase 2 is the "maintenance" phase, during which healthy carbs are gradually added back into the diet. Small amounts of whole grains and fruits can be added to the menu, and certain types of alcohol are allowed. This phase lasts for as long as it takes the dieter to reach their goal weight.
Phase 3 is the final phase and is intended to be followed for life. No foods are off-limits, but attention to serving sizes is important. If a dieter falls off track, they are supposed to return to phase 1 or 2 for a while. During this phase, dieters will consume about 28% of their daily calories in the form of carbohydrates, compared to the average diet, which has around 50% of calories from carbs.
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The South Beach Diet may be effective for short-term weight loss, but long-term effects are unknown
The South Beach Diet was created in the mid-1990s, specifically in 1995, by celebrity doctor and cardiologist Arthur Agatston, with the assistance of Marie Almon, the former chief dietitian. The diet was originally called the Modified Carbohydrate Diet and was later renamed after the South Beach neighbourhood in Miami Beach, near Agatston's practice.
The South Beach Diet is a low-carb, high-protein, and healthy-fat diet that is claimed to promote rapid weight loss and improve heart health. The diet includes lean protein, healthy fats, whole grains, vegetables, and fruits. It is based on the concept of "good" fats and carbohydrates, emphasising the consumption of complex carbohydrates, such as fruits, vegetables, whole grains, beans, and legumes, while limiting simple sugars and refined flour. The diet is divided into three phases, with the first phase being the most restrictive and focusing on eliminating carbohydrates and controlling blood sugar to reduce cravings. The second phase gradually reintroduces healthy carbohydrates, and the final phase is a lifelong maintenance phase where no foods are off-limits, but serving sizes are limited.
While the South Beach Diet has been popular for over a decade, there is limited research specifically evaluating its effectiveness. Some studies suggest that it can be effective for short-term weight loss, with participants losing an average of 11 pounds and experiencing decreased insulin levels in one study. However, the long-term effects of the diet are unknown. There is limited research supporting the diet's claims of improving risk factors for cardiovascular disease, diabetes, and cancer. Additionally, the diet has been criticised for being overly restrictive and allowing potentially harmful types of fat, such as soybean oil and safflower oil, which are high in omega-6 fatty acids.
Although the South Beach Diet may provide short-term weight loss, it is important to consider the lack of long-term data and potential health risks associated with its restrictive nature and inclusion of certain types of fat. As with any diet, it is essential to consult with a healthcare professional before making significant dietary changes to ensure a safe and effective approach to weight loss and overall health.
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Frequently asked questions
The South Beach Diet was created in the mid-1990s by cardiologist Dr. Arthur Agatston, with the assistance of Marie Almon, the former chief dietitian.
The South Beach Diet is for anyone looking to lose weight and improve their heart health. It involves consuming lean protein, healthy fats, whole grains, vegetables, and fruits.
The main purpose of the South Beach Diet is weight loss. It is a lower-carb, high-protein, and high-healthy-fat diet that promotes complex carbohydrates, lean proteins, and healthy fats.
According to Dr. Agatston, the creator of the diet, the long-term effects of following the South Beach Diet include lowering cholesterol, reducing the risk of heart attack, stroke, diabetes, and even some cancers. However, it's important to note that there is little to no research supporting these claims. The South Beach Diet has been popular for over a decade, but its long-term safety is still unknown.











































