What is the Fast 800 diet? (2023)

FAQs

What are the basics of The Fast 800 diet? ›

Dr Michael Mosley's latest diet encourages people to eat 800 calories per day, fast intermittently and replace some meals with nutritious shakes, in a new iteration of his famous 5:2 diet. Dr Michael Mosley has unveiled a new diet that he describes as his “best plan ever”.

The NHS advise that for the majority of us to lose weight in a safe and sustainable way, we should reduce our calorie intake to 1,900 calories for men and 1,400 calories for women. Dr Mosley claims that by following the rapid weight loss stage of the Fast 800 you may lose as much as 14kg over 8 weeks.

There is limited research to support the Fast 800 diet as being superior to other equivalent energy-restricted diets. While the evidence suggests that an intermittent fasting diet may be an effective way to lose weight, it is unlikely to be more effective for weight loss than traditional methods of dieting.

Start the day with eggs

Boiled, poached, scrambled or as an omelette – they'll keep you feeling fuller for longer compared to cereal or toast. Delicious with greens and parmesan or smoked salmon and a sprinkle of chilli.

Doctor Michael Mosley - the nutritionist behind a range of diets including The Fast 800 and 5:2 - advised that you should cut out some foods, including a common fruit, if you want to shed some pounds. The experts says that eating bananas is not as beneficial as you may think, reports The Express.

Writing on his website, Mosley revealed that eating eggs in the morning can be a great building block for losing weight and that a mushroom omelette is one of his own "go-to breakfasts". He wrote: "Boiled, poached, scrambled or as an omelette - they'll keep you feeling fuller for longer compared to cereal or toast."

Keto, or ketogenic diets, are high-fat, adequate-protein, low-carbohydrate diets that force the body to burn fats rather than carbohydrates. The Fast 800 combines a traditional keto diet with low-calorie intermittent fasting - only 800 calories are consumed every day.

Some people go on a very low-calorie diet for rapid weight loss, often consuming only 800 calories a day. This type of diet usually includes special foods such as shakes, bars, or soups to replace meals and for added vitamins. Very low-calorie diets can help a person achieve weight loss of up to 3 to 5 pounds per week.

What vegetables can you eat on The Fast 800 diet? ›

Strictly speaking, black tea or coffee, herbal teas and water are the most suitable options that will not break your fast. Just steer clear of lattes if you're practising TRE and as always on fasting days, include milky drinks in your calorie intake. We always recommend full fat milk.

This is considered a rapid weight loss approach, and it isn't as scary as you might initially think. While The Very Fast 800 can be followed for up to 12 weeks or until you reach a healthy BMI (whichever comes first), in just three short weeks, the average weight loss across the group was 7kg, just over a stone.

What foods to eat on The Fast 800 Keto Diet. If you've read Dr Mosley's latest book, The Fast 800 Keto, you'll know that he recommends following the rule of 50:50. Keeping carbohydrates under 50g per day and ensuring protein remains above 50g.

Full-fat dairy products.

Such as full-fat live Greek yoghurt, cheese and butter. Healthy natural fats will keep you full for longer. When I need a snack it is a small chunk of cheese with some slices of pear.

The trick is not to cut carbs completely, but rather to be choosy about the ones you regularly eat. If you want to try going lower-carb then white bread, white pasta, potatoes and sugars, including maple syrup and agave nectar, are best eaten sparingly, if at all.

Dr Michael Mosley on the benefits of exercise

Determined and interested in achieving permanent weight loss and, more importantly, a healthy body, Sue turned to The Fast 800 programme, created by Dr Michael Mosely and lost nearly three stone in 12 weeks.

Strictly speaking, any amount of calories will break a fast. If a person follows a strict fasting schedule, they should avoid any food or drinks containing calories. Those following a modified fasting diet can often eat up to 25% of their daily calorie needs while fasting.

Choose multi-grain, seeded or rye bread over white. Again, the good bacteria in your gut will thrive on the fibre in these foods. But during both the rapid weight loss and 5:2 stages of the diet you should keep your intake of wholegrains down.

Is bread allowed on Fast 800? ›

Sugar should be reduced or avoided, starchy carbs, like white bread and white pasta, are gone, and 45-60g of good-quality protein should be consumed daily.

Breakfast. Nearly every day begins with eggs of some sort, often one yolk and two whites. Or it might be "The Usual" Egg Sandwich, which Oprah has shared with WW. This four-point meal includes a slice of toasted wheat bread, ⅛ of an avocado, 1 over-easy egg and a medium tomato.

According to People, J. Lo starts her day with protein shakes that are made up of strawberries, blueberries, Greek yogurt, cinnamon, honey, lemon juice and her Body Lab protein powder.

85 fl.

Especially when doing intermittent fasting, a well hydrated body (meaning drinking more than the minimum amount!) is an important key to success! That is why you should pay attention to drink at least 85 fl. oz (2.5 liters) a day.

There is no single cause of the weight loss plateau. One reason may be that when calories are significantly reduced, the body switches from using glucose to using its stores of glycogen (before then moving into fat-burning mode) in the muscles and liver.

The 800-calorie rapid weight loss phase is safe for most individuals for up to 12 weeks, as long as you stick to our recommendations, drink plenty of water and use a multivitamin.

How to follow The Fast 800 Keto Diet. Following a keto diet basically means reducing the amount of carbohydrates you eat, while increasing protein, healthy fats, fruit and vegetables. This dovetails perfectly with the life-extending Mediterranean diet, built around fruit, vegetables, seafood, beans and nuts.

On The Fast 800 Keto, the calories are 800-1000/day. Within this, you consume at least 50-60g of protein, around 20g or less carbohydrates (so you can still add extra low-calorie non-starchy veg without having to worry about counting extra carbs) and the remainder is made up with healthy fats.

So, generally, anything with calories in it will break your fast. Although, Dr Mosley has said that a splash of milk (1 to 2 teaspoons) should be okay. If a dash of milk in your morning tea or coffee is helping you sustain a healthy way of eating, then it's likely not detrimental to your efforts.

What did Kim K eat to lose 16 pounds? ›

According to Healthy Balance, Kim Kardashian's 3-week weight loss journey involved her cutting carbs and eating “just the cleanest veggies and protein.” When it came to working out, Kim ran on a treadmill and wore a sauna suit twice a day.

A very low calorie diet is a clinically supervised diet plan that involves eating about 800 calories a day or fewer. They are sometimes considered for obese and severely obese people who are managing diabetes, going to have surgery or preparing for fertility treatment.

The Fast-800 website also states that slimmers should avoid eating melons and pineapples too often, as they also contain high levels of sugar.

We encourage you to eat non-starchy vegetables alongside your meals. The vegetables shown contain more calories than the vegetables you can eat liberally, such as broccoli and cucumber, therefore count calories when including them on fasting days.

As a concentrated dairy product, we're not advising you to lather butter onto every meal; however, a small amount every now and then will cause far less harm than processed margarine and spreads.

PhenQ is our top pick for the best weight loss pills in 2023. It's a comprehensive formula that utilizes specialized ingredients to achieve results. This supplement is designed to help burn fat, suppress your appetite, and boost your energy levels while preventing new fat cells from forming.

Unicity recommends a form of intermittent fasting we refer to as 4-4-12. 🕓 By waiting 4 to 6 hours between breakfast and lunch, and lunch and dinner, and waiting 12-16 hours between dinner and breakfast with no snacking in-between, we give our bodies the time needed to get into what we call the FAT BURNING ZONE.

Because diet soda doesn't have calories, it's usually OK to drink while you're fasting.

A convenient, low-calorie Protein Booster, especially helpful on fasting days. This simple plant-based formula is low in salt, with no added sugar, artificial additives or preservatives. Can be used as a standalone protein shake or in a wide variety of recipes, and is keto-friendly and suitable for vegans.

5:2 Intermittent Fasting. Weight loss studies surrounding intermittent fasting have typically investigated the 5:2 diet or alternate-day fasting interventions lasting three to six months. The research revealed that it takes four to six months to lose 20 pounds with no change in diet.

Can you lose weight eating 800 calories 2 days a week? ›

This makes the fast days a little easier (!) and consuming up to 800 calories is still effective for weight loss. The advantage of the 5 2 diet is that you only need to eat less on 2 days a week, which can make the diet easier to follow in the longer term than struggling to eat less every day.

The NHS advise that for the majority of us to lose weight in a safe and sustainable way, we should reduce our calorie intake to 1,900 calories for men and 1,400 calories for women. Dr Mosley claims that by following the rapid weight loss stage of the Fast 800 you may lose as much as 14kg over 8 weeks.