Is the Fast 800 worth it?

Summary answer

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.

How much weight can you lose on the Fast 800 diet?

According to founder Dr Michael Mosley, those who closely follow the Fast 800 plan could see themselves lose up to 11lb in two weeks by limiting their daily intake to 800 calories a day. It’s been praised, alongside the 16:8 diet, as one of the diets that work fast.

How long can you stay on a 800 calorie diet?

12 weeks

How much is the fast 800 12 week plan?

How much does the Online Programme cost? Your first 7 days are free with unrestricted access, and you can cancel anytime. You’ll then be charged £99 / $175 AUD / $130 USD for your 12-week plan. You will also receive a bonus one month free access to The Fast 800 Life for ongoing support.

Is 800 calories a day good?

It’s difficult to get good nutrition and feel satisfied on a very low-calorie diet. In addition, consuming as few as 800 calories daily may not give you the energy you need for daily living and regular physical activity, especially if you eat the same foods every day.

Why can’t I lose weight on 800 calories a day?

Th reality is you will be underestimating your calories, be it due to portion sizes, snacking, or drinks. You would be losing on 800 if you’re not, then you’re consuming more. Your metabolism adjusts, eating less than 1200 calories a day is bad for your metabolism because it will slow right down to maintain.

Can a woman survive on 800 calories a day?

Diets of less than 800 calories can lead to numerous complications, according to Jampolis, including heart arrhythmias, which could lead to death. Extreme dieters are also at risk of dehydration, electrolyte imbalance, low blood pressure and high uric acid, which could lead to gout or kidney stones, she says.

Can you drink alcohol on the Fast 800?

Avoid alcohol on all fasting days and whilst you are doing The Very Fast 800. Instead, stay well hydrated and create new favourites, like some of the beverages our Health Coaches enjoy.

How many carbs can I have on a fast 800?

If you want to cruise through your fasting window without consuming calories, you can have black coffee, black tea, herbal teas, water and sparkling water – we like adding a squeeze of lemon or lime and some fresh herbs!

Can I drink coffee on fast 800?

If you want to cruise through your fasting window without consuming calories, you can have black coffee, black tea, herbal teas, water and sparkling water – we like adding a squeeze of lemon or lime and some fresh herbs!

Why have I stopped losing weight on The Fast 800 diet?

Can you have a cheat day on fast 800?

But some dieters found cutting down to just 500 or 600 calories a day, even if only for two days a week, could be tough. However, the studies showed that even if you cheat a bit and go up to 800 calories, the diet still seems to work

How many pounds is 800 calories?

Calorie to Pound Conversion TableCaloriesPounds500 kcal0.142857 lb600 kcal0.171429 lb700 kcal0.2 lb800 kcal0.228571 lb

Is 800 calories enough to lose weight?

Understand 800 Calories a Day Sticking to an 800-calorie per day diet may be the right choice for you if you need to lose weight at a rate of more than 2 pounds per week to quickly improve your health, according to the U.S. National Library of Medicine’s website, MedlinePlus.

What does an 800 calorie day look like?

On a typical 800 calorie day, followers can consume an egg on toast, a milk coffee, a salad with tuna and a small, 300 calorie dinner of 100g of protein and vegetables. This is generally far too little food for the average person, doing some moderate activity each day.

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Start working on your weight loss goals


How would you like it if you

✓ Could be less dissatisfied with your body?
✓ Spend less time on your body and be able to do what you really care about?
✓ Learn to deal with that voice in your head?
✓ Stop letting your body image determine your day and emotions?
✓ Really change your relationship with food?
✓ Learn to appreciate your body, which will make you take better care of it?