Note: The 800 calorie diet is a low-calorie diet and must be supervised by a registered dietician.

800-Calorie Diet – What Is It?

The 800-calorie diet is a very low calorie diet (VLCD) that allows consuming a total of 800 calories per day. A supervised 800-calorie diet helps in rapid weight loss, reverses type 2 diabetes, regulates blood sugar levels, and lowers high blood pressure. It is also a part of the Blood Sugar Diet, popularized by Dr. Michael Mosley. In the blood sugar diet, dieters first go on an 800-calorie diet for eight weeks. Then, the dieters follow a 5:2 diet pattern, consuming 800 calories for two days and 1500 calories for five days. In this post, we discuss 800 calories for three days a week for a month. It will give you the following benefits.

3-Day 800-Calorie Diet Benefits

Aids weight loss – Kick-starts metabolism and fat mobilization, helps in portion control, and reduces the risk of metabolic syndrome in people with obesity (7), (8), (9).

Reduces the risk of diseases – Weight loss helps reset normal biological functions and hormone actions. A supervised 800-calorie diet helps reduce the risk of type 2 diabetes, hypertensioni  A rise in blood pressure beyond what is considered normal, due to dietary factors and high movement activities. , heart problems, digestive issues, and infertility (9). Improves energy levels – Going on a low-fat diet for a few days, avoiding unhealthy food, and leading a healthy lifestyle will improve your energy levels and make you proactive.

Reduces inflammation – Healthy, calorie-restricted eating for a few days a week helps reduce inflammation (10). This, in turn, reduces the chances of inflammation-induced obesity. Reduces sleep apnea – Going on a very low-calorie diet helps reduce weight. This, in turn, reduces sleep apneai  a disorder of breathing issues during sleep, resulting in loud snoring and even after a full night’s sleep the person still feels tired. (11).

When following an 800-calorie diet plan, you should consume nutritious foods that keep you from feeling hungry. This will help you stay within your calorie limit while also getting the essential nutrients your body needs. Scroll down to explore the list of foods to eat and avoid.

Food To Eat And Avoid In The 800-Calorie Diet

Here is a list of some common food items that you can consume:

Vegetables and fruits Wholegrains like oats and quinoa Nuts and seeds Legumes like kidney beans and chickpeas Eggs and dairy Seafood like salmon and tuna Lean meats like chicken breast and turkey Plant-based proteins like tofu and tempeh

Here is a list of some common food items that you should avoid:

Processed and fried foods like French fries, crackers, and chips Refined carbohydrates like white bread and pasta Foods with added sugars like cereal, and chocolates High-calorie condiments like heavy cream and mayonnaise Carbonated and sugary drinks like sodas

Follow this sample 3-day 800-calorie meal plan to reap all the benefits mentioned above.

800-Calorie Diet Plan – What It Looks Like 

Day 1 

Fenugreek seed water is great for increasing insulin sensitivity and reducing the risk of type 2 diabetes (12). It is also an effective addition to your weight loss plan. Have a substantial breakfast that contains dietary fiber, protein, and complex carbs. Keep the lunch as light as possible and nutritious. Green tea has no calories and is a good source of antioxidantsi  Man-made and natural molecules that help to fight free radicals and reduce cell and photo damage in the body. that will help flush out toxins from the body. Have a delicious dinner that is nutritious but low in calories. ●             2 boiled egg whites + 1 cup milk + ½ cup papaya ●             1 cup sauteed veggies ●             1 cup baked black beans and sauteed veggies

Day 2 

Continue drinking fenugreek soaked water to sensitize your cells to insulin. Kale, pomegranate, and quinoa are loaded with vitamins, minerals, and dietary fiber. Therefore, you will not feel hungry for at least 2 hours. Almonds are great sources of healthy fats that reduce inflammation and maintain cellular health. A light yet nutritious lunch will keep you active as you will not feel weighed down. Green tea and grapefruit have weight loss-aiding properties (13), (14). Have a tasty and filling high-protein diet as your last meal of the day. ●             1 cup vegetable quinoa ●             Tuna salad with olive oil and lime juice dressing ●             3 oz grilled chicken breast with 1 cup baked veggies

Day 3 

Lime is rich in vitamin C, and honey is loaded with antibacterial properties ●             Apple, almond milk, and chia seed smoothie ●             2 oz smoked ground turkey with blanched spinach and fresh tomatoes ●             Asian style sautéed chicken and veggies . Have a substantial breakfast before heading out. Explore healthy and nutritious lunch and dinner options on the third day. It will help you cut down on calories aid in appetite suppression and keep your hunger pangs at bay. Green tea should be your go-to drink on this day. Tip: Stay hydrated all the three days. Drink water, green tea, or coconut water if you feel hungry.

800-Calorie Diet Workout Plan

You must stay active on the days you are NOT on the 800-calorie diet. It will also prevent you from stopping losing weight. Here’s what you may do.

Neck rotations – 1 set of 10 reps Shoulder rotations – 1 set of 10 reps Arm circles – 1 set of 10 reps Wrist rotations – 1 set of 10 reps Waist rotations – 1 set of 10 reps Ankle rotation – 1 set of 10 reps Spot jogging – 3-7 minutes Mountain climbers – 1 set of 10 reps Jumping jacks – 1 set of 10 reps Scissor kicks – 1 set of 10 reps Horizontal out kicks – 1 set of 10 reps Squats – 1 set of 10 reps Jump squats – 1 set of 10 reps Burpees – 1 set of 10 reps Crunches – 1 set of 10 reps Jumping forward lunges – 1 set of 10 reps Pushups – 1 set of 10 reps Plank – 2 sets of 20 seconds hold Yoga for weight loss Meditation

How will you feel at the end of one month? Let’s find out below:

How Will You Feel After 1 Month?

After being on a 3-day a week 800-calorie diet for a month, you will lose weight, look slimmer, your metabolic rate will be faster, you will feel more energetic and positive, and your stress levels will reduce. A blogger shared how she lost weight with VLCD after a life-changing car accident and subsequent health challenges in her blog post. She said, “So I’ve been following that for 4 weeks now and have lost over 2&1/2 stones so far (i)”. Your new lifestyle changes will make you fall in love with healthier habits, and you will enjoy being in a better place health-wise. You will be proud of yourself for taking the step ahead and successfully completing one month of the 800-calorie diet.  But before you start being on the 800 calorie diet, you must know about its safety.

Is The 800-Calorie Diet Safe? 

Yes, a very low-calorie diet is safe (15). But there is the possibility of going wrong if you misuse or abuse it. Women require 2000 calories per day to maintain their weight and physiological functions. To lose weight, women need to consume only about 1500 (or less) calories per day (16). But if you are overweight or obese, which may give rise to life-threatening and debilitatingi  a condition that causes serious impairment of strength and ability to function where it weakens someone mentally and physically. diseases, going on a supervised VLCD is a smart choice. What if you do not have obesity, diabetes, and/or hypertension and want to use this diet to lose a bit of flab? You must know that the 800-calorie diet is NOT for people who want to lose a bit of flab. You can go for intermittent fastingi  A fasting and non-fasting schedule used to lose weight (eating in a period of 8 hours and fasting for 16 hours).  or a 1200-calorie diet plan instead! Here’s a list of precautions that you should take if you go on the 800-calorie diet to lose weight or improve your health.

800-Calorie Diet Precautions And Safety

Dietitian supervision is advised before starting this diet plan A sudden change in the diet affects the body in more ways than one. Do not force it on the body, as too great a caloric deficit may result in fatigue and diarrhea. Give your body some time to adjust to the diet. Do not overdo it. It may be important and healthy to lose a few pounds, but take breaks between weeks. Continuous nutrient deficiencies may result in long-term problems in the kidney, liver, and heart functions. You may feel nauseous and weak. Inform your doctor immediately. Do not follow this diet if you have hypoglycemiai  a condition when the blood sugar levels are lower than normal. Causing blurred vision, drowsiness, speech numbness and more. . Do not follow this diet if you are pregnant or lactating.

Wondering how the 800-calorie diet compares to other popular diets? Find out in the next section. Keep reading!

800-Calorie Diet Vs. Other Diets

An 800-calorie diet dramatically reduces daily caloric intake to promote rapid weight loss. Due to this, VLCD can be difficult to sustain and may lead to nutrient deficiencies if not carefully managed. In contrast, other dietary practices, such as the Mediterranean plan and intermittent fasting do not involve severe caloric restrictions. Instead, they focus on longer-term lifestyle changes. The Mediterranean diet emphasizes balanced nutrition and is known for its cardiovascular benefits (17). Intermittent fasting involves alternating between periods of eating and fasting, allowing the body to burn fat during the fasting window while still consuming a normal range of calories on eating days (18). Unlike VLCD, these diets are easier to maintain over time and promote steady weight loss without extreme caloric restrictions. It’s always better to work with a nutritionist and dietitian to ensure you are not depriving your body of the necessary nutrients. If possible, instead of switching to a very low calorie diet, try cutting down calories gradually. A calorie-deficit diet gives your body the time to adjust to reduced food intake. Is it recommended to survive on 800 calories a day? Ideally, it is not a healthy option for everyone. As Mary Sabat, RDN, says, “It is not recommended to survive on 800 calories a day as it is not a sustainable or healthy diet. The minimum calories required per day is 1,200-1,500, depending on age, gender, and activity level. Calorie goals should be based on body weight and activity, and falling below 1200 calories would make it impossible to meet nutrient needs for health.” Are diet coke and coffee included in this Fast 800 diet? No. Diet coke is not allowed during this diet. However, you can have coffee. Sabat recommends drinking it without added sugars or creamers. How long should you be on this diet? Be on this 3-day per week 800-calorie diet for a month. You may continue being on it for 2 months. Can I lose weight eating 800 calories a day? Yes, you can lose weight eating 800 calories thrice a week. Do not follow this every day as it will lead to weakness and compromised immunity. If you have a special occasion to attend, you may try intermittent fasting. How much weight will I lose on the 800 calorie diet? You will lose up to 10 pounds (4.5 kgs) if you consume 800 calories and exercise regularly. Make sure your doctor or nutritionist is aware of your diet pattern. Can I drink alcohol on the Fast 800? It is not recommended to drink alcohol while you are on the Fast 800. If you must, you may have a glass of wine, but keep in mind that it may affect your results. How many carbs can I have on Fast 800? The Fast 800 diet takes into consideration the total calorie intake and not carbohydrate intake. However, if you want to do a keto version of the Fast 800 diet, you need to keep your net carbs below 50 grams each day. If you prefer long term healthy results over quick goals, consider a more gradual meal plan, like a 2000 calorie diet, which allows for a balanced intake while still promoting steady weight loss over time.

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