
The South Beach Diet is a weight-loss plan created by cardiologist Dr. Arthur Agatston in the mid-1990s. It is a low-carb diet that emphasizes lean meats, unsaturated fats, and low-glycemic-index carbs. The diet consists of three phases: a low-carb phase for rapid weight loss, a less restrictive phase for more gradual weight loss, and a third phase for weight maintenance. While the South Beach Diet restricts certain vegetables such as beets, carrots, corn, turnips, yams, and potatoes, tomatoes are generally considered okay to consume in moderation as part of this diet.
| Characteristics | Values |
|---|---|
| Type of diet | Lower-carb |
| Purpose | Weight loss |
| Benefits | May help reduce insulin levels and protect heart health |
| Criticism | Restrictive "fad" diet |
| Number of phases | 3 |
| Phase 1 | Two weeks long, aims to reset your body, burn fat, increase metabolism, and reduce sugar and starch cravings |
| Phase 2 | Reintroduce healthy carbs, steady weight loss |
| Phase 3 | Weight maintenance |
| Foods to avoid in Phase 1 | Fruit, fruit juices, starchy foods, dairy products, alcohol, beets, carrots, corn, white potato, tomato, sweet potato, yams |
| Foods allowed in Phase 2 | Whole grains, fruits, vegetables, lean meats, unsaturated fats, low-glycemic-index carbs |
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What You'll Learn

Tomatoes are allowed in the South Beach Diet
The South Beach Diet is a popular weight-loss plan created by cardiologist Dr. Arthur Agatston in the mid-1990s. The diet is low-carb, emphasising lean meats, unsaturated fats, and low-glycemic-index carbs. It consists of three phases: the first is a low-carb phase for rapid weight loss, the second is less restrictive and focuses on gradual weight loss, and the third is for weight maintenance.
There are some restrictions on tomatoes, however. In Phase 1 of the diet, fruit, fruit juices, starchy foods, dairy products, and alcohol are off-limits. This means that tomatoes cannot be consumed in juice form, and dairy products such as cream or cheese cannot be added to them. In Phase 2, healthy carbs like fruit and whole grains are slowly reintroduced, so tomatoes can be eaten with ingredients like cheese.
- Lunch: Grilled chicken, 1/2 an avocado, and cooked broccoli. Side of cherry tomatoes with Greek yogurt, fresh dill, and lemon juice.
- Dinner: Baked tomatoes topped with Parmesan cheese.
- Dinner: Mediterranean Sweet and Sour Chicken with 5oz. baby arugula, 1/2 cup brown rice, and grape tomatoes.
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The South Beach Diet is a low-carb diet
The South Beach Diet is designed to be a plan for life, with three different phases: two for weight loss and a third for weight maintenance. The first phase lasts for two weeks and is the most restrictive, eliminating refined carbohydrates and sugar to help reduce cravings. During this phase, you can eat three meals and two snacks per day, mainly composed of lean protein and non-starchy vegetables. Phase 2 is for steady weight loss, where you add in good carbs and limited portions of fruit to your diet. In this phase, all foods from phase 1 are allowed, and you can stay on this phase until you reach your weight goal.
Phase 3 is the weight maintenance phase, where you learn to maintain your new weight without deprivation or hunger. In this phase, the guidelines from phase 2 should be the basis for your lifestyle, but occasional treats are allowed, and no foods are off-limits. The South Beach Diet is lower in carbohydrates than a typical eating plan, but not as low as a strict low-carb diet. It emphasizes choosing good" carbs, such as low-glycemic-index carbs, and healthy fats.
The diet has been credited with producing rapid weight loss without hunger and promoting heart health. However, it has also been criticized for being restrictive and allowing processed vegetable oils, which may pose health risks. Overall, the South Beach Diet is a popular and effective approach to weight loss and improving health.
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It is divided into three phases
Tomatoes are a featured food in the South Beach Diet, a diet plan created by cardiologist Dr. Arthur Agatston. The diet is divided into three phases, with the first phase aiming to reset the body to burn fat and reduce cravings for sugar and starch. During this phase, dieters can eat three meals, one dessert, and two snacks per day, and tomatoes are included as a snack option—cherry tomatoes stuffed with low-fat cottage cheese.
The second phase of the South Beach Diet is for steady weight loss, where good carbs, such as whole grains and fruits, are added back into the diet. This phase lasts until the dieter reaches their target weight. Tomatoes continue to be a part of the diet in phase two, with one suggested meal plan including grilled chicken, half an avocado, and cooked broccoli.
The third phase of the South Beach Diet is focused on weight maintenance. This phase lasts indefinitely, and dieters learn how to incorporate other foods in moderation to maintain their weight loss. While tomatoes are not specifically mentioned in relation to phase three, they are included in a sample meal plan for this phase, where they are baked and topped with Parmesan cheese.
Overall, tomatoes are included in the South Beach Diet across all three phases, and are featured in multiple suggested meal plans.
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It emphasises lean protein, healthy fats, and low-glycemic-index carbs
The South Beach Diet is a lower-carb diet that emphasises lean protein, healthy fats, and low-glycemic-index carbs. It was created by cardiologist Dr. Arthur Agatston, who wanted to help people prevent heart disease and diabetes. The diet is designed to be followed indefinitely, with a gradual relaxing of restrictions. It includes three different phases: Phase 1 is the most restrictive and focuses on reducing cravings and resetting the body; Phase 2 is for steady weight loss, where good carbs are introduced; and Phase 3 is the weight-maintenance phase, where you learn to maintain your new weight.
Phase 1 of the South Beach Diet lasts for two weeks and is the most restrictive. It limits fruit, grains, and other high-carb foods to decrease blood sugar and insulin levels, reduce cravings, and stabilise hunger. During this phase, you consume three meals per day composed of lean protein, non-starchy vegetables, and small amounts of healthy fats and legumes. Two snacks per day are also mandatory, preferably a combination of lean protein and vegetables. Most people can expect to lose 8–13 pounds (3.5–6 kg) during this initial phase.
Phase 2 of the South Beach Diet discourages the intake of fatty meats, saturated fat, and foods high in refined or natural sugar. In this phase, you add whole grains and fruits to your diet, staying on this step until you reach your weight goal. These good-carb choices are high in fibre and take a long time to be processed and absorbed by the body, preventing fluctuations in blood glucose and quick insulin secretions.
In Phase 3 of the South Beach Diet, no food is entirely off-limits, but attention to serving sizes is essential. This final phase is a lifelong diet that you'll maintain once you've reached your goal weight. It may include elements of other diets, such as the ketogenic diet, but generally focuses on choosing "good" carbs and healthy fats. The carbs consumed are low-glycemic index, which keeps blood glucose levels steady and increases fullness after meals.
Overall, the South Beach Diet emphasises lean protein, healthy fats, and low-glycemic-index carbs to promote weight loss and improve health. It is a restrictive diet with many rules and phases, but it has been credited with producing rapid weight loss results.
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It may be restrictive
The South Beach Diet is a lower-carb diet that has been popular for over a decade. It was created by cardiologist Dr. Arthur Agatston to help overweight, diabetic, and prediabetic individuals lose weight and reduce their risk of heart disease. The diet has three phases: the first phase is low-carb for rapid weight loss, the second phase is less restrictive and encourages gradual weight loss, and the third phase focuses on weight maintenance.
While the South Beach Diet has been credited with producing rapid weight loss without hunger, it has also been criticized for being a restrictive "fad" diet. This is because it eliminates refined carbohydrates and encourages a reduction in carb intake, which may be challenging for some people to adhere to. In addition, the diet recommends avoiding certain types of vegetables, such as beets, carrots, corn, turnips, yams, peas, white potatoes, and most types of winter squash.
During Phase 1 of the diet, which lasts for two weeks, fruit, fruit juices, starchy foods, dairy products, and alcohol are off-limits. This can be quite restrictive for some people, especially those who enjoy these types of foods or drinks regularly. In Phase 2, healthy carbs such as fruit, whole-grain bread, whole-grain rice, whole wheat pasta, and sweet potatoes are slowly reintroduced. However, even during this phase, there are still restrictions on fatty meats, saturated fat, and foods high in refined or natural sugar.
While the South Beach Diet does allow for a wide variety of foods, including lean protein, healthy fats, whole grains, vegetables, and fruit, it may be challenging for some people to give up certain food groups or restrict their intake. Some people may find it difficult to stick to the diet due to the limitations on their favourite foods or drinks. Additionally, the South Beach Diet is not just about food choices but also encourages regular exercise, which may be restrictive for those who are not used to being physically active or have limited time or energy for working out.
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Frequently asked questions
Yes, tomatoes are allowed on the South Beach Diet.
The South Beach Diet is a lower-carb diet that promotes weight loss and improved health. It was created by cardiologist Dr. Arthur Agatston and includes three phases: the first phase aims to reset your body and burn fat, the second phase focuses on steady weight loss by reintroducing healthy carbs, and the third phase is about weight maintenance.
The South Beach Diet includes lean protein, healthy fats, low-fat dairy, whole grains, vegetables, and fruit. It eliminates refined carbohydrates, white flour, and sugar.
The South Beach Diet has been credited with producing rapid weight loss without hunger and promoting heart health. It may also help reduce insulin levels and improve other health conditions such as diabetes, high cholesterol, high blood pressure, and heart disease.
The South Beach Diet may be perceived as restrictive as it eliminates certain food groups, such as refined carbohydrates and starchy foods. It may also be criticised as a "fad" diet or challenging to follow due to its restrictions. It is always recommended to consult with your doctor before starting any new diet.











































