South Beach Diet: Modernized for 2025

South Beach diet

Could the South Beach diet you remember be the secret to smart, lasting weight loss in 2025?

Arthur Agatston, a cardiologist, created the original South Beach diet. It focuses on healthier carbs and fats over strict bans. Now, the modern South Beach Diet combines Mediterranean-style eating with updated low carb diet options. It also offers flexible meal plans for today’s fast-paced life.

This guide will show you how the 2025 healthy eating plan works. It keeps cravings in check, supports steady weight loss, and fits into real routines. You’ll find practical tips, simple meal ideas, and a clear weight loss program approach. It’s designed to be doable, not extreme.

What is the South Beach Diet?

The South Beach Diet started as a simple, heart-focused plan. It aimed to help people lose weight without complicated rules. It focuses on the quality of food over counting calories. It uses a phased approach to help you move from quick results to lasting habits.

A Brief History of the Diet

Cardiologist Arthur Agatston created the diet for better heart health and lasting weight loss. The diet is named after South Beach, Miami, where Agatston worked. It promotes a healthy eating plan.

Agatston shared his guidelines in a best-selling 2003 book. The book outlined a three-step program. The diet focuses on lowering cholesterol and stabilizing blood sugar for better health.

The diet has evolved over time. Now, there’s a New Keto-Friendly South Beach Diet. It updates Agatston’s ideas for today’s low carb diet choices. It keeps the diet’s focus on quality fats and whole foods.

Core Principles of the Diet

The diet emphasizes choosing the right carbs. It prefers complex carbs with low glycemic impact. This helps maintain steady energy and balanced nutrition without blood sugar spikes.

Fats are seen as beneficial when they come from unsaturated sources. This includes olive oil, nuts, and oily fish. This makes the diet more like a healthy eating plan than a strict fat-free diet.

Lean proteins are a priority. Seafood, poultry, low-fat dairy, and soy provide essential nutrients. Vegetables rich in fiber add to meals for fullness and nutrients.

Core FocusPractical ExampleBenefit
Choose the right carbsQuinoa, barley, non-starchy vegetablesStable energy and better blood sugar control
Choose the right fatsOlive oil, avocados, salmonHeart health and satiety
Prioritize lean proteinsChicken breast, fish, low-fat yogurtMuscle support and reduced hunger
Phased approachInitial strict phase, gradual reintroduction, maintenanceJump-start weight loss and long-term adherence

The Science Behind the South Beach Diet

The South Beach diet is based on solid nutrition science. You’ll learn why slow-digesting carbs are key, how net-carb counting works, and the metabolic changes you might see.

A detailed, diagrammatic illustration of the glycemic index, showcasing the relative impact of different foods on blood sugar levels. The foreground displays a clear, labeled graph with a prominent x-axis depicting food items and a y-axis representing glycemic index values. The middle ground features carefully arranged food icons, each positioned according to its corresponding glycemic index rating. The background is a minimalist, scientific-looking setting, with clean lines, subtle gradients, and a sense of precision. Soft, directional lighting casts subtle shadows, emphasizing the three-dimensional nature of the elements. The overall tone is informative, educational, and visually appealing, designed to effectively communicate the science behind the South Beach Diet.

Understanding the Glycemic Index

The glycemic index shows how fast carbs raise blood sugar. Foods with a low index digest slowly, giving steady energy. This means fewer energy crashes from meals rich in whole grains, legumes, and veggies.

Simple carbs cause quick blood sugar spikes, leading to weight gain and insulin stress. The South Beach diet focuses on complex carbs. This reduces spikes, boosts satiety, and improves mood.

How the Diet Impacts Your Body

The modern South Beach diet limits net carbs to about 50 grams daily. This balance helps your body burn fat while keeping energy from proteins and healthy fats.

Foods rich in fiber and nutrients help control cravings and support heart health. You might feel fuller after meals and see better cholesterol levels by following the diet’s guidelines.

Weight loss results vary: you might lose several pounds in two weeks, then 1–2 pounds weekly. Starting very low-carb can lead to ketosis and side effects like headaches and fatigue.

Before starting, talk to your doctor if you have diabetes, heart disease, or other health issues. They can guide you on how the diet affects your medications and health markers.

Stages of the South Beach Diet

The South Beach diet has three main phases. Each phase helps you lose weight and keep it off. You learn to make healthy food choices that fit your goals.

A vibrant, visually striking image showcasing the phases of the South Beach Diet. In the foreground, a collection of healthy, colorful foods - crisp vegetables, juicy fruits, lean proteins, and whole grains - arranged in a visually appealing manner. In the middle ground, a clean, minimalist kitchen counter or table, with simple tableware and a glass of water. The background features a bright, airy window overlooking a serene coastal landscape, capturing the essence of the South Beach lifestyle. The lighting is natural and soft, creating a warm, inviting atmosphere. The overall composition conveys a sense of balance, wellness, and the evolving stages of the renowned South Beach Diet.

Phase One: Initial Phase

Phase 1 is a two-week reset. It limits carbs to stop sugar cravings. You eat lean proteins like chicken, fish, eggs, and low-fat dairy.

Non-starchy, fiber-rich vegetables are key. But, you avoid whole-grain pasta, bread, rice, fruit, and alcohol. Healthy fats like extra-virgin olive oil, avocado, and nuts are okay in small amounts.

If cravings or weight gain happen later, go back to Phase 1. It helps you regain control.

Phase Two: Weight Loss Phase

In Phase 2, you add healthy complex carbs. Think whole-grain breads, brown rice, and select fruits. Choose lower-glycemic options and keep portions small.

This phase is flexible. You focus on lean proteins and non-starchy vegetables. Beans and starchy vegetables are limited. Many people see steady progress by making consistent choices and controlling portions.

Phase Three: Maintenance

The maintenance phase lets you enjoy most foods in moderation. You focus on lean proteins, healthy fats, and complex carbs. Use lessons from earlier phases to manage portions and avoid quick weight gain.

If needed, you can go back to Phase 1 or 2 to reset. Following these stages helps you move from short-term changes to lasting balanced nutrition.

Foods to Embrace on the South Beach Diet

Choosing the right foods makes the South Beach diet easy and satisfying. Start with high-quality lean proteins and healthy fats for steady energy. Drink plenty of water and add non-starchy vegetables to meals for fiber and fullness.

A bountiful still life of vibrant South Beach diet foods, artfully arranged against a crisp, white backdrop. In the foreground, an array of juicy fruits - glistening grapes, ripe strawberries, and tangy citrus slices. Complementing them, a selection of fresh greens, including crisp kale, spinach, and arugula. In the middle ground, lean protein sources like grilled salmon, juicy chicken breasts, and crunchy nuts. The background hints at the coastal ambiance, with a subtle seascape visible through a window, bathed in soft, natural lighting. An inviting, health-conscious scene that captures the essence of the South Beach diet.

Lean Proteins and Healthy Fats

Seafood, skinless poultry, lean beef, and soy products are great protein sources. They help you lose fat while keeping muscle. Include plant-based oils, nuts, oily fish, and avocados for healthy fats that improve heart health and satiety.

Use low- or nonfat dairy in moderation. Mayo Clinic provides a detailed guide on what to eat and how much. Learn about balanced protein and fat.

Whole Grains and Legumes

In phase two, add whole grains and legumes in small amounts. Foods like bulgur, quinoa, and brown rice provide slow-digesting carbs for steady blood sugar.

Beans, peas, and lentils are rich in fiber and plant protein. They increase fullness and add variety. Use them in salads, stews, or small portions with lean proteins for balanced meals.

Fruits and Vegetables to Include

Non-starchy vegetables are essential daily. Choose spinach, broccoli, cauliflower, tomatoes, and eggplant for vitamins, minerals, and fiber.

Be careful with fruits due to their natural sugars. Berries are best because they have less sugar and are packed with antioxidants. For more Mediterranean-style ideas, check out guidelines that focus on whole foods and healthy fats. Explore complementary meal concepts.

  • Tip: Try three servings of leafy greens or non-starchy vegetables daily.
  • Tip: Build low carb diet recipes around a lean protein, a healthy fat, and a generous portion of vegetables.
  • Tip: Use whole grains and legumes sparingly in phase two to maintain steady glucose levels.

Foods to Avoid on the South Beach Diet

Following the South Beach plan means knowing what to skip. This helps keep your blood sugar steady and weight loss steady. Here’s a quick guide to common problem foods and low carb diet tips you can start using today.

A bountiful still life showcasing an array of tempting yet forbidden delights for the South Beach dieter. In the foreground, a decadent chocolate cake, its rich frosting glistening under dramatic lighting, contrasts with a pile of crisp, golden french fries. In the middle ground, a stack of fluffy white bread and a tray of buttery croissants beckon, while in the background, a tower of sugary donuts and a steaming bowl of creamy pasta complete the temptation. The composition exudes a sense of indulgence, hinting at the allure and potential pitfalls of straying from the South Beach path.

Processed Carbohydrates

Stay away from refined items that raise blood sugar quickly. This includes white bread, white rice, regular pasta, many refined-grain cereals, and snack cakes.

In Phase 1, limit processed carbs and grain products. Bring them back in small amounts later. If you slip up, go back to a stricter phase until you regain control.

Sugary Foods and Beverages

Avoid candy, syrup, honey, molasses, fruit juices, and regular soda. These foods offer quick calories but don’t keep you full for long.

The New South Beach Diet suggests small fruit portions to stay within a daily carb limit of about 50 grams. Treats should be rare and portioned to keep your blood sugar and progress on track.

Unhealthy Fats

Stay away from trans fats and limit saturated fats like too much red meat and butter. Check labels for hydrogenated oils and hard margarines.

Choose unsaturated fats like olive oil and avocado. Be mindful of portion sizes; too many nuts or oils can slow weight loss, even if they’re healthy.

CategoryExamples to AvoidSmart Swaps
Processed carbsWhite bread, white rice, snack cakes, refined cerealsWhole-grain small portions, cauliflower rice, legume-based pasta in moderation
Sugary foodsCandy, syrup, fruit juices, regular sodaFresh berries in controlled portions, sparkling water, sugar-free flavorings
Unhealthy fatsTrans fats, excess butter, fatty processed meatsExtra-virgin olive oil, avocado, lean poultry and fish
Alcohol and starchy itemsBeer, sweet cocktails, potatoes, white pastaDry wine in moderation, vegetable noodles, small servings of whole grains

Use these tips to plan meals and read labels carefully. Avoiding processed carbs, sugary foods, and unhealthy fats will help keep your South Beach diet on track.

Meal Planning Tips for Success

Getting meal planning right makes the South Beach diet meal plans easy to follow. Start by planning breakfasts, lunches, dinners, and snacks for the week. Choose recipes that use the same ingredients to make shopping easier and reduce waste.

Focus on lean protein, healthy fats, and allowed complex carbs based on your phase. Emphasize portion control and choose foods that are rich in nutrients. Drink at least half your body weight in water and aim for 30 minutes of activity daily.

Creating Balanced Meals

Use the plate method: fill half with nonstarchy vegetables, one quarter with lean protein, and one quarter with whole grains or starchy vegetables when allowed. This ensures balanced nutrition and steady energy.

Batch-cook proteins like grilled chicken, tuna, or shrimp, and roast vegetables on the weekend. Prepare snacks like turkey roll-ups with low-fat cheese and portioned nuts to avoid unhealthy choices.

Sample Meal Ideas for Each Phase

In Phase 1, meals are low-carb and high-protein. Try an omelet with smoked salmon or baked eggs with spinach and ham for breakfast. For lunch, a mixed green salad with scallops or shrimp is great. Dinner could be grilled tuna with grilled vegetables. Snacks include sugar-free gelatin or turkey roll-ups with low-fat cheese.

In Phase 2, you can include more whole grains and legumes. Start with oatmeal with chopped almonds and berries for breakfast. A quinoa salad with grilled chicken makes a balanced lunch. For dinner, try pork tenderloin with roasted sweet potato and steamed broccoli.

In Maintenance, focus on variety and sustainable recipes. Build meals from a list of favorite healthy dishes. Use the Dining Out Guide for restaurant choices and keep a net-carb tracker handy to stay on target.

Meal TimePhase 1 ExamplePhase 2 ExampleMaintenance Example
BreakfastOmelet with smoked salmon and spinachOatmeal with almonds and berriesGreek yogurt, fruit, and granola
LunchMixed greens with shrimp and olive oilQuinoa salad with grilled chickenTurkey and avocado whole-grain sandwich
DinnerGrilled tuna with zucchini and saladPork tenderloin, roasted sweet potato, broccoliSalmon, brown rice, steamed vegetables
SnackTurkey roll-up with low-fat cheeseApple slices with almond butterHummus with carrot sticks
DessertLow-fat ricotta with unsweetened cocoa and almondsFresh berries with a dollop of ricottaDark chocolate square and mixed nuts

Staying Motivated on Your Journey

Keeping up with a diet is all about simple habits. Track your small victories, use helpful tools, and connect with others. This makes your progress feel real and keeps you going.

Tracking Your Progress

Start by logging your weight and waist size every week. You might lose 8–13 pounds in the first two weeks of Phase 1. Phase 2 usually brings 1–2 pounds of weight loss each week.

Pay attention to how your clothes fit and your energy levels too. Use tools to track your meals, steps, and workouts. Regular exercise and consistent meal times help a lot.

If you gain weight or feel strong cravings, going back to Phase 1 or Phase 2 can help. It resets your habits and confidence.

Finding Support and Community

Having a community behind you keeps you motivated and on track. South Beach Diet Online has forums, recipes, and different membership levels. These include tools for meal planning and tracking.

Look for groups for tips, advice, and encouragement. Use community check-ins to celebrate your small victories and get help with challenges. Combining tracking with social support gives you a solid plan to keep moving forward.

What to TrackWhy It MattersRecommended Tool
Weight and waist circumferenceShows short-term and long-term changesScales, tape measure, South Beach Diet Online tracker
Meal logs and carb countsReveals patterns that affect cravingsMeal-planning tools and Grocery Guide
Exercise and stepsSupports fat loss and energyFitness tracker or app integrated with membership
Clothing fit and energyPractical signs of progress beyond numbersWeekly notes and photos
Social check-insBoosts accountability and moraleForums, local groups, South Beach Diet Online community

Common Challenges and How to Overcome Them

Starting the South Beach diet can be tough. You might feel withdrawal-like symptoms from cutting simple carbs. Social events and busy days can make it hard to stick to your diet. Here are some tips to help you overcome these challenges.

Dealing with cravings

Cravings often come from eating too many simple carbs. Phase 1 removes sweets, refined grains, and most fruit for two weeks. This helps reduce cravings.

If you experience headaches, fatigue, or muscle cramps, it might mean your body is adapting to ketosis. Keep an eye on these symptoms and drink plenty of water.

Use strategies like planning meals and keeping berries on hand. Limit fruit to small portions. Include beans, whole grains, and starchy vegetables in moderation. Aim for a 50 g net-carb target when transitioning back to more flexible phases.

Short-term resets can help. If you slip up, go back to stricter choices for a few days. This can help reset your appetite and confidence. Carry protein-rich snacks and salted nuts to fight hunger without ruining your diet.

Managing social situations

Dining out and gatherings can test your resolve. Look for lean protein, healthy fats, and low-GI vegetables on menus. Ask for sauces on the side and swap fries for a simple salad.

Bring a low-carb side or appetizer to share. This way, you always have a safe choice. Tell your close friends or family about your diet goals. This can help them support you and not pressure you into unhealthy choices. Use the plan’s Dining Out Guide to pick balanced meals without stress.

If you overindulge during Phase 2, try a brief return to Phase 1. This reset approach helps you regain control and momentum without guilt.

Enhancing Your South Beach Experience

To get more from the South Beach approach, mix movement with mindful choices. A small plan that pairs daily activity, clear hydration rules, and mindful eating helps you stick with balanced nutrition. It builds healthy habits that last.

Incorporating Exercise into Your Routine

Start with at least 30 minutes of activity each day. Walking is simple and effective for heart health and weight control. Add resistance training twice a week to keep muscle and metabolism strong.

Use a short checklist to guide sessions: warm-up, 20–30 minutes of aerobic work, two strength moves, cool-down. Track steps or minutes to compare progress with weight-loss goals. The Supercharged South Beach program highlights core-strengthening routines you can do at home.

Mindfulness and Healthy Eating Habits

Practice mindfulness eating by slowing your pace, pausing between bites, and tuning into hunger and fullness cues. Scheduled meals and smaller plates reduce overeating and improve adherence to nutrition goals.

Hydration supports both exercise and appetite control. Aim to start with about half your body weight in ounces of fluid daily, then adjust for activity and personal needs with your physician. Pair mindful eating with nutrient-dense choices to reinforce fitness and diet goals.

Use simple habits: daily walks, two weekly resistance sessions, breath pauses before meals, and single-serving plates. These steps make balanced nutrition easier and turn intentions into reliable healthy habits.

Success Stories and Inspiration

Real-life stories show how a Mediterranean diet can improve health. People often lose 8–13 pounds quickly in Phase 1. Then, they lose about 1–2 pounds a week in Phase 2.

Long-term success comes from adopting Phase 3 habits. This includes eating balanced meals, being mindful of what you eat, and staying active. These habits lead to lasting weight loss and health benefits.

Read real stories and get practical tips to help you. The program offers recipes, meal plans, and tools. These make it easier to follow than strict low-carb diets. For more success stories, check out this brief roundup: South Beach Diet success stories.

Successful participants share simple tips. Meal prep, use the Grocery Guide, and focus on non-starchy veggies and lean proteins. If you slip up, try going back to an earlier phase or do a phase-reset to get back on track.

Use community support and regular exercise with the plan. Try official recipes and meal plans, track your progress, stay hydrated, and focus on mindful eating. These steps offer practical advice and real-life examples to guide you.

FAQ

What is the South Beach Diet and how has it been modernized for 2025?

The South Beach Diet was created by Dr. Arthur Agatston in 2003. It focuses on healthier carbs and fats. The 2025 version is a low-carb, Mediterranean-style diet.It uses net-carb targets of about 50 grams/day. It also emphasizes healthy fats, lean proteins, and fiber-rich veggies. The updated plan includes new meal plans, exercise tips, and recipes for balanced nutrition and weight loss.

What are the three phases of the South Beach Diet and what should you expect from each?

The diet has three phases. Phase One is a two-week jump-start to curb cravings. It focuses on lean protein, high-fiber veggies, and unsaturated fats.Phase Two reintroduces healthy complex carbs. It continues weight loss until you reach your goal. Phase Three is for lifelong maintenance, allowing all foods in moderation.Expect rapid initial loss in Phase One. Results vary by individual.

How does the South Beach Diet use the glycemic index to guide food choices?

The diet focuses on complex carbs that digest slowly. These provide steady energy and reduce cravings. Simple carbs and refined grains are limited because they cause quick blood sugar spikes.In the modern plan, you’ll favor whole grains, legumes, and non-starchy veggies. Choose berries over high-sugar fruits to stay within daily net-carb targets.

What is meant by “net carbs” and why does the updated plan recommend about 50 grams per day?

Net carbs are total carbs minus fiber and sometimes sugar alcohols. The New Keto-Friendly South Beach Diet targets about 50 grams of net carbs per day.This allows for many low-carb benefits without strict ketogenic diet restrictions. It allows three servings of non-starchy veggies daily and moderate reintroduction of beans, whole grains, and berries.

Which fats and proteins are recommended on the South Beach Diet?

Prioritize unsaturated, heart-healthy fats like extra-virgin olive oil, avocado, nuts, seeds, and oily fish. Limit saturated fats and avoid trans fats.For protein, choose lean options like seafood, skinless poultry, lean beef, low-fat dairy, eggs, and plant proteins. These choices support satiety and help maintain muscle during weight loss.

Which fruits and vegetables are best on the program?

Non-starchy, fiber-rich veggies like spinach, broccoli, cauliflower, eggplant, tomatoes, and leafy greens are staples. They’re low on the glycemic index and fill you up.Fruit is limited because of sugar; berries are preferred for lower sugar and higher fiber. In Phase Two, you can reintroduce moderate portions of whole fruits while tracking net carbs.

What foods should you avoid or limit while following the South Beach Diet?

Avoid or severely limit simple carbs and refined foods like candy, baked goods, syrups, regular soda, and refined-grain cereals. Phase One also excludes bread, rice, potatoes, pasta, fruit, fruit juice, and alcohol.Keep starchy veggies, refined sugars, and high-saturated-fat choices in check. Always read labels to avoid trans fats.

Can you follow the South Beach Diet if you want low-carb benefits but not full ketosis?

Yes. The updated South Beach approach targets around 50 grams of net carbs per day. This offers many low-carb advantages without strict carbohydrate limits.If you choose a very-low-carb or ketogenic variant, be aware of possible side effects. Consult your healthcare provider before starting.

How do you structure balanced meals on the South Beach Diet?

Build meals around a lean protein portion, a serving of healthy unsaturated fat, and a generous helping of non-starchy, fiber-rich veggies. When carbs are allowed, choose low-GI whole grains or legumes in controlled portions.The plan doesn’t require strict calorie counting. Focus on portion control, nutrient density, and prioritizing low-glycemic carbohydrates when reintroduced.

Do you need to exercise while following the South Beach Diet, and what routines are recommended?

Yes. Exercise complements the diet for heart health and long-term weight maintenance. Aim for at least 30 minutes of daily activity—walking is recommended.Include resistance training twice weekly to preserve lean mass. The Supercharged South Beach Diet adds structured walking and core-strength routines. Track activity, build consistent habits, and adjust intensity to your fitness level.

How can you manage cravings and social situations without derailing progress?

Phase One is designed to suppress cravings by removing sweets and refined carbs. For social events, use portion strategies: choose protein- and veg-based dishes, bring a low-carb side, and communicate your goals.If you overindulge during Phase Two, use a short reset by returning to Phase One or Two until you regain control. Behavioral tactics—meal prepping, packing snacks, mindful eating, and planning ahead—help prevent slip-ups.

What practical meal-planning tips and sample ideas can help you stick to the plan?

Prep lean proteins and roasted or steamed veggies in batches for grab-and-go lunches. Keep healthy snacks—nuts, turkey roll-ups, Greek yogurt (low-fat), and veggie sticks—on hand.Sample Phase One meals: omelet with smoked salmon and spinach for breakfast, shrimp salad for lunch, and grilled tuna with roasted broccoli for dinner. In later phases, add a controlled portion of quinoa, brown rice, or a small serving of berries to your plate.

How should you track progress and know when to move between phases?

Monitor scale changes, waist measurements, and how your clothes fit. The plan suggests Phase One to jump-start weight loss, Phase Two until you reach your goal, and Phase Three for maintenance.If weight plateaus or you regain weight, revert briefly to an earlier phase. Expect fast initial losses for some people in Phase One and steadier weekly losses thereafter; individual rates vary.

Are there health cautions or people who should consult a professional before starting?

Yes. Always consult a healthcare professional before starting any new diet, specially if you have diabetes, heart disease, kidney problems, or other medical conditions. Very low-carb or ketogenic variations can cause side effects and metabolic shifts; professional guidance helps tailor the program safely to your needs.

What tools and resources can help you succeed on the South Beach Diet?

Use meal plans, grocery guides, dining-out tips, net-carb trackers, and recipe collections to simplify choices. The South Beach online resources and community support can provide structured meal planning, tracking tools, and accountability.Practical routines—consistent hydration (about half your body weight in ounces as a starting point), regular walks, resistance training, and mindful eating—support long-term adherence.

Will the South Beach Diet improve heart health and cholesterol?

The diet was developed by a cardiologist to support heart health. It prioritizes unsaturated fats, lean proteins, fiber-rich veggies, and low-glycemic carbs while limiting trans fats and excess saturated fat.Many people see improvements in cholesterol and cardiovascular markers when the plan is followed alongside regular exercise and medical supervision. Individual outcomes vary; work with your clinician to monitor results.

How flexible is the plan for real life—travel, dining out, and special occasions?

The program is designed to be practical. Use the Dining Out Guide to select lower-carb, protein- and vegetable-focused options. Pack low-carb snacks for travel, plan ahead for events, and allow occasional, planned indulgences within your maintenance phase while tracking net carbs.If a slip occurs, the reset strategy—briefly returning to Phase One or Two—helps you regain momentum.

What behavioral strategies help make the South Beach Diet sustainable long term?

Plan meals ahead, practice mindful eating, keep portion control, prioritize sleep and hydration, build a regular exercise habit, and seek social or online support for accountability. Small routines—meal prepping, scheduled meals, and short-term resets when needed—encourage lasting behavior change and steady progress toward weight-loss and health goals.

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Dominhaki

Founder of Genius Nutra. Sharing practical insights on nutrition, supplements, and natural health — no hype, just science.

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