
The South Beach Diet is a popular fad diet created by celebrity doctor and cardiologist Arthur Agatston with the assistance of Marie Almon, the former chief dietitian at Mount Sinai Medical Center in Miami Beach, Florida. It was originally called the Modified Carbohydrate Diet and was renamed after the South Beach neighbourhood in Miami Beach, near Agatston's practice. The diet was created in the mid-1990s and gained popularity in 2003 with the release of Agatston's bestselling book, The South Beach Diet. The diet has three phases and focuses on categorising carbohydrates and fats as good or bad, with an emphasis on eating foods with a low glycemic index.
| Characteristics | Values |
|---|---|
| Creator | Dr. Arthur Agatston, a Florida-based cardiologist |
| Co-creator | Marie Almon, former chief dietitian at Mount Sinai Medical Center in Miami Beach, Florida |
| Year of creation | Mid-1990s |
| Original name | Modified Carbohydrate Diet |
| Original aim | Lower the risk of heart disease |
| Diet type | Low-carb |
| Number of phases | 3 |
| Phase 1 duration | 2 weeks |
| Phase 1 aim | Reset your body to burn fat, increase metabolism, reduce sugar and starch cravings |
| Phase 2 aim | Steady weight loss |
| Phase 2 diet | Add in good carbs |
| Phase 3 aim | Weight maintenance |
| Book | The South Beach Diet |
| Book release year | 2003 |
| Book copies sold | 8 million |
| Book co-author | Joseph Signorile, a professor of exercise physiology |
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What You'll Learn

The diet's origins
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 at Mount Sinai Medical Center in Miami Beach, Florida. Agatston's work in heart disease research led to the development of the Agatston score, which measures the amount of calcium in the coronary arteries.
Agatston initially developed the diet plan for his own patients. He noticed that the American Heart Association's recommended low-fat and high-carbohydrate diet was not lowering his patients' weight, cholesterol, or blood sugar levels, but that patients on the Atkins diet were experiencing weight loss. However, he was reluctant to prescribe the Atkins diet to patients with cardiac issues due to its high allowance of saturated fat and limitation of carbohydrates containing fibre and other nutrients.
Agatston referenced medical research to build an eating plan that categorized fats and carbohydrates as "good" or "bad". The South Beach Diet focuses on selecting the right carbohydrates, including whole grains, specific fruits and vegetables, appropriate fats, such as olive oil, and lean protein sources. It recommends avoiding certain carbohydrates, based on their glycemic index (GI) score. Foods with a high GI score tend to contain refined carbohydrates, such as white sugar.
The South Beach 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 diet became popular after 2003, with the launch of Agatston's bestselling book, The South Beach Diet.
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Phases of the diet
The South Beach Diet was developed in the mid-1990s by celebrity doctor Arthur Agatston and dietitian Marie Almon. It was originally called the Modified Carbohydrate Diet, but was later renamed after the South Beach neighbourhood in Miami Beach, Florida, near Agatston's practice. The diet was initially developed for Agatston's own patients, after he noticed that low-fat, high-carb diets were not helping his patients to lose weight, while those on the Atkins diet were experiencing weight loss.
The South Beach Diet has three phases:
Phase 1
The first phase aims to kick-start the weight loss process. It lasts for two weeks and focuses on eliminating cravings for sugary foods and refined starches by stabilising blood sugar levels. During this phase, dieters eat three balanced meals a day, with desserts and snacks, and can eat normal-sized portions. Chicken and salad is a good choice during this phase.
Phase 2
The second phase takes the dieter to their target weight. During this phase, the dieter can introduce some "good" carbs, such as brown rice, and complex, fibre-rich carbohydrate sources such as 100% whole grain bread. Phase 2 lasts until the person reaches their desired weight, with weight loss of 1-2 pounds a week. People usually lose weight more slowly in this phase than in Phase 1, but slow, steady weight loss is better, according to the South Beach Diet, because it is more likely to last.
Phase 3
The third phase aims to maintain the ideal weight. In this phase, occasional treats are allowed and no foods are off-limits. However, if the dieter starts to put on weight, Agatston recommends returning to Phase 1 for one to two weeks before returning to Phase 3.
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Recommended foods
The South Beach Diet was developed in the mid-1990s by celebrity doctor and cardiologist Arthur Agatston, with the assistance of Marie Almon, the former chief dietitian at Mount Sinai Medical Center in Miami Beach, Florida. Agatston created the diet after noticing that many low-fat, high-carb diets were not helping individuals lose weight in the long term. He also observed that his patients on the Atkins diet were experiencing weight loss, but he was uncomfortable with the high amount of saturated fat allowed on that diet, especially for people with heart disease.
The South Beach Diet is a low-carbohydrate diet that emphasizes lean meats, unsaturated fats, and low-glycemic-index carbs. It is based on the idea of categorizing carbohydrates and fats as "good" or "bad". While it prohibits foods rich in simple carbohydrates, such as white bread, white potatoes, and white rice, it does not require dieters to give up carbohydrates entirely or even measure their intake. Instead, it focuses on the glycemic impact of foods, or the short-term change in blood glucose levels.
Phase 1
During the first phase, which lasts for two weeks, the diet emphasizes lean protein, non-starchy vegetables, and small amounts of healthy fats and legumes. Lean meats, such as chicken, and eggs, fatty fish like salmon, and nuts are recommended. Vegetables such as leafy greens and cruciferous veggies are also encouraged. In addition, dieters can consume two mandatory snacks per day, which should preferably be a combination of lean protein and vegetables.
Phase 2
In the second phase, some "good" carbs can be introduced, such as brown rice, whole grains, and 100% whole-grain bread. More fruits and vegetables can also be included in this phase.
Phase 3
In the final phase, which is focused on weight maintenance, occasional treats are allowed, and no foods are truly off-limits. However, if weight gain occurs, Agatston recommends returning to phase 1 for one to two weeks before returning to phase 3.
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Pros and cons
The South Beach Diet was developed in the mid-1990s by celebrity doctor and cardiologist Arthur Agatston, with the assistance of Marie Almon, the former chief dietitian at Mount Sinai Medical Center in Miami Beach, Florida. Agatston created the diet to help his patients lower the risk of heart disease and type 2 diabetes. The diet was originally called the Modified Carbohydrate Diet, but it was later renamed after the South Beach neighbourhood in Miami Beach, near Agatston's practice.
The South Beach Diet is a popular fad diet that emphasizes eating food with a low glycemic index and categorizes carbohydrates and fats as "good" or "bad". The diet has three phases: the first phase aims to reset the body and curb cravings by eliminating refined carbohydrates, the second phase involves adding in good carbs to achieve steady weight loss, and the third phase focuses on weight maintenance. While the South Beach Diet is similar to other low-carb diets, it does not require completely restricting carbohydrates or measuring their intake. Instead, it focuses on choosing the right carbohydrates and consuming only 10 to 15 per cent of calories from saturated fat.
Now, here are the pros and cons of the South Beach Diet:
Pros
- The South Beach Diet is flexible and easy to follow, as it does not require counting calories or measuring food intake.
- It encourages the consumption of complex carbohydrates, such as whole grains, beans, and starchy vegetables, which can help prevent blood sugar spikes and crashes.
- It promotes the intake of heart-healthy unsaturated fats from sources like nuts, seeds, and avocados, which can help lower blood cholesterol levels.
- The diet can help reduce hunger and lower blood pressure, blood glucose, and triglycerides.
- It emphasizes controlling hunger by eating before it strikes, which can help prevent overeating.
- The diet may help individuals pay more attention to how different foods and food groups affect their bodies.
Cons
- The South Beach Diet, especially the first phase, restricts carbohydrate intake, which may not be suitable for everyone.
- The glycemic index values of foods can vary depending on factors such as ripeness, cooking method, and other foods consumed, which can create confusion.
- The diet may not provide enough structure when it comes to adding carbohydrates back in, leaving a lot up to the individual.
- Some people may not be motivated to tune into their body's signals and make adjustments accordingly.
- The diet has been marketed with bold claims and unrealistic promises of easy weight loss, and the book promoting it contains some incorrect and misleading information.
- The effectiveness of the diet in improving cardiovascular risk factors is unclear due to a lack of supporting evidence.
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The South Beach Diet book
The South Beach Diet was developed in the mid-1990s by celebrity doctor and cardiologist Arthur Agatston, with the assistance of Marie Almon, the former chief dietitian at Mount Sinai Medical Center in Miami Beach, Florida. The diet was originally called the Modified Carbohydrate Diet, but was renamed after the South Beach neighbourhood in Miami Beach, near Agatston's practice.
Agatston's work in heart disease research led to the development of the Agatston score, which measures the amount of calcium in the coronary arteries. He noticed that patients on the Atkins Diet were losing weight and belly fat, while those on low-fat, high-carb diets were not. However, he was uncomfortable with the high amount of saturated fat allowed on the Atkins Diet, especially for people with heart disease. He also didn't believe in restricting high-fibre foods with "good carbs", like fruit and whole grains.
Agatston wanted to create a diet that allowed overweight, diabetic and prediabetic individuals to lose weight and reduce their risk of heart disease. The South Beach Diet was therefore developed as an alternative to the Atkins Diet, which Agatston felt was too high in fat to be healthy. The South Beach Diet focuses on selecting the right carbohydrates, including whole grains, specific fruits and vegetables, appropriate fats, such as olive oil, and lean protein sources. It recommends avoiding certain carbohydrates, based on their glycemic index (GI) score. Foods with a high GI score tend to contain refined carbohydrates, like white sugar.
The South Beach Diet was first described in a book of the same name, written by Agatston and released in April 2003. The book became a bestseller, with about 8 million copies in print by 2004. The South Beach Diet is considered a fad diet, and has been marketed with bold claims that are not supported by evidence. However, some aspects of the diet correspond with dietary advice that is generally recognised as sensible.
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Frequently asked questions
The South Beach Diet was created by celebrity doctor and cardiologist Arthur Agatston with the assistance of Marie Almon, the former chief dietitian at Mount Sinai Medical Center in Miami Beach, Florida.
The South Beach Diet was created in the mid-1990s. It was published in a book called *The South Beach Diet* in 2003, which became a bestseller.
Dr Agatston noticed that low-fat, high-carb diets were not helping his patients lose weight in the long term. He was also uncomfortable with the high amounts of saturated fat in the Atkins Diet, especially for people with heart disease. He wanted to create a diet that allowed overweight, diabetic and prediabetic individuals to lose weight and reduce their risk of heart disease.
The South Beach Diet is a fad diet that emphasises eating food with a low glycemic index, and categorises carbohydrates and fats as "good" or "bad". It includes three phases: the first aims to kick-start weight loss, the second takes the dieter to their target weight, and the third aims to maintain the ideal weight.











































