Extreme Weight Loss (2022): How Much Weight Can You Lose In A Week?

July 7, 2022 | 3727 Comments


how much weight can you lose in a week without eating

Important note: Please advise your doctor before following any plan. Don’t follow the advice below if you are under 18. 

People always ask: How much weight can you lose in a week?” Well… to answer your question I have good news, awesome news, and bad news.

First onto the good news: YOU CAN LOSE A TON OF WEIGHT IN ONE WEEK

That’s right, you don’t have to be bound to the conventional wisdom of only losing 1 or 2 pounds a week. Extreme weight loss diets can definitely work, but only for a short period of time.

In fact, you can lose up to 15 pounds in one week if you do it correctly.

Now onto the awesome news: ALL THAT WEIGHT YOU LOSE WILL BE WATER AND FAT, NOT MUSCLE

Yup, you read that correctly, if you follow the methods at the end of this post, all the weight you lose during the week will be pure body fat. The conventional statement that losing more than 2 pounds per week leads to muscle, organ, and hair loss is absolute unicorn shit.

How do I know this? Because some awesome scientists from the American College Of Nutrition back in 1999, conducted a study, which tested 2 groups of people for 12 weeks.

One group only did traditional cardio, while the other group only did weight training. Both groups ate 800 calories a day. At the end of the study, both groups lost large amounts of weight, but the one that only did cardio lost large amounts of lean muscle mass, and the one that only did weight training didn’t lose any muscle mass at all.

So there you go, some hard hitting scientific facts that prove that you will not lose muscle during extreme dieting as long as you lift weights.

Note: And if you don’t have a gym membership or if you don’t have access to any weights, then doing a well-designed bodyweight program like Bodyweight Burn is your next best option.

And lastly, the bad news: YOU HAVE TO EAT VERY VERY LOW CALORIES

So yeah…. you have to eat a ridiculously low amount of calories to lose a lot of weight in a week. I’m talking along the lines of 800 calories a day.

The amount that would make any nutritionist hang themselves.

And now, onto the plan, but first, a picture of steaks:

How much weight can you lose in a week protein
I didn’t want to put a boring picture of a scale, so here’s some delicious steaks. I’m guessing this isn’t the best article to put this picture in

The 2-step plan to lose the maximum amount of weight in a week

Please note that the following plan can be used by both men and woman.

And don’t do this plan if you’re under 18, you’re way too young to be eating such low calories.

I guarantee that if you follow the plan below, you will lose 10-15 pounds(water and fat) in one week:

1) For one week only, eat 800 calories per day.

2) Workout 2-3 times per week with weights. Make sure the weights are heavy and be sure to hit all body parts.

That’s all.

Some notes/tips about the above 2 steps:

  • 800 calories is very little food, for any man, woman, or baby walrus. Because of this, I suggest that you only eat 1 meal per day a la Brad Pilon’s Eat Stop Eat. If you eat one 800 calorie meal per day, then you’ll at least feel somewhat satisfied, but if you split that up into 3 or even worse, 6 meals per day, then you’re not going to fare so well on this one week venture. Yes, this means that you will be fasting 24 hours every day for a whole week. Just remember, you will be burning fat, not muscle.
  • Whenever possible, eat higher protein and eat foods with high water content such as fruits and soups. Also, drink lots of coffee and green tea, since they both tend to blunt hunger quite well.
  • Stick with heavy compound exercises when in the gym. That means no curling and crunching, and if you even step foot on a treadmill, my dumbass radar will go off and I may have to kill you.
  • If you can’t lift weights, then your next best option is to do some sort of bodyweight training. You know…exercises like squats, push-ups, lunges, pull-ups, sit-ups, etc..
  • This is a mental game more than anything else. When you’re eating very few calories to lose weight faster, your mind starts playing tricks on you. Your stomach is gonna be grumbling more often. And there are gonna be times where you want nothing more than to self-sabotage yourself. Which is why the next point is so important.
  • Above all, keep yourself distracted and out of the kitchen. If you’re constantly prancing around the kitchen and thinking about food, you’re going to fail. So keep yourself busy. Read a book, play some video games, take a nap, work on your tan, or shave your pubes. I don’t care. Just do something that doesn’t involve food.
  • [EDIT 10/6/2014] I should also add that your protein intake needs to be HIGH. Like really high. In fact, the majority of your calories should probably come from protein, fruits, and veggies if you want this diet to be effective. The protein will help keep you full but more importantly also help maintain muscle.

Remember, this is only for one week

I just wanted remind you all, that this sort of extreme weight loss plan is only a temporary plan.

The results don’t have to be temporary, but the plan is. Please do not try and do this weight loss plan for more than a week.

Doing so is really going to mess with your head and you’ll most likely binge back to your original weight.

After one week, transition to a more moderate weight loss plan for the long haul.

I hope you guys now know how much weight you could lose in a week if went balls to the walls.

Want even better results? Take it to the next level with Fat Loss Boost

Many people have been asking me, “Can I do this for more than 7 days?”

Uh…

Yes and no.

Technically, you could eat 800 cals per day for a sustained period of time.

But sooner or later it’s gonna backfire on you.

If you want a more sustainable rapid fat loss plan…

Then I highly recommend checking out Fat Loss Boost.

This is a more long-term approach than the strategy I outlined in this blog post.

It’s a strategic rapid fat loss diet that works in 14 day cycles.

So you go hard on the diet for 14 days, lose a crap ton of weight, take a break, and repeat.

And the results from Fat Loss Boost are even better:

“I have been able to lose 10 pounds using this program. Starting weight 186. Weight this morning was 176.”

“I lost 12 lbs for my first attempt. Started at 201.7 and ended at 189.9. I am amazed!!! Thanks to everywhere for all the support and great hacks.”

“Ok people I’m done 😀. I hit 171.8 today, my goal was to break 172 on this round which was what I weighed almost ten years ago (lowest as an adult). That’s 30.2 lbs in just under 3 months.

Pretty crazy, right?

Definitely give it a look if you want a realistic, yet challenging plan that burns fat faster than anything. you ever tried before.

Check out Fat Loss Boost

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Questions? Like steak? Let me know down below.

I respond to (almost) every comment, which is pretty crazy considering there’s been over 3000 comments. Sigh…I need a hobby. 

3727 Comments - Leave Your Thoughts

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  1. I am trying to use this for a festival but I wasnt able to start 7 days before and consequently will only be able to manage 4 days before the festival. If i do this is it worth completing the other 3 days after the festival weekend? Bearing in mind I will be training and eating with my normal program during the festival.

  2. hi is there something special diet wise i can do to kick-start dropping my type 2 diabetes numbers.. im on medication but not keeping me in the normal levels.
    i am 60 yrs and dieting doesnt work like it used to.
    thankyou

    1. are you eating fewer calories than you burn (aka eating in a calorie deficit)? That’s how you lose weight.

      1. Yes but.. always a but.. would like to know the foods that are allowed.. i tend to starve myself then go the other extreme.. very frustrated with myself. I used to have a list of foods on a card that were free foods controlled and prohibited. And carried that with me everywhere but lost it. That was very useful but now i wing it. Lost my drive. Always had weight issues from teenage etc.. so over it. But now type 2 diabetes rears its head.. just want to control that. So over dieting.

        1. Nothing is “off limits”.

          With dieting, the devil is in the dose. People aren’t fat because they eat one doughnut every few days. It’s because they eat it every day.

          1. Yes it is what u eat. Sugar feeds bad bacteria. High fat low carb. Good protein. Study up on Imtermittent fasting and keto. What they do to our bodies and how our bodies respond to processed foods and sugar. It’s a lot to know. The foods we eat have brought on diabetes, high blood pressures, cancers. Sugar feeds it all. We can heal our bodies with the very foods we used to kill us. Not the same foods but we can feed ourselves into health.

          2. put someone on a diet that has them eating nothing but 500 calories of pure sugar. If they don’t lose weight, I’ll cut my nut off.

            Not promoting a diet of nothing but sugar, but just saying, calories matter.

    2. Bet he!! Yesss. Pls watch Dr. John Bergman on YouTube. Also check out Dr Michael Vanderscheldon, Dr. Mercola and Dr. Eric Berg. If u can adapt to this you will be medicine free.

  3. So I’ve been eating kinda junky foods but I’ve stayed under 800 calories each day am I even gonna lose weight or do you have to eat healthy?

  4. So you said no treadmill and recommended heavy weights I do not have a gym membership so what exercises would you recommend me doing at home ?

  5. I’m interested in doing this 800 calories a day for one week. I’ve never dieted before so I’m not experienced. I’m 24 years old 6 foot 235 pounds. I’ve never had weight issues till recently. I have more of an athletic build so the whole not losing muscle is what I like about this plan. Most of my trouble is around my waste line and my thighs. I’m not yet committed to this but its definitely something I’m interested in. If you could give me an example of the types of food I should eat and amounts? Also what kind of workouts do you recommended? Thank you

  6. being 73 yrs old an a Vet on medications–Iv lost 80 pounds in 9 months an now Plateau—-I wanna loose 40 more to be at my ideal weight—Im low carb eater so I stay under 30 carbs daily—my guess is I really need to start keeping up with Calories ??????—– I can do the 800 calories a day for a week BUT can I eat 400 at like 10;;am an 400 more at 5 pm since Im a internediate fasterI try to do 16/8 fasting—-ony 2 meals a day—Thank you for a responce;;

  7. You say to do weights while cutting your calories low but no cardio . At no cardio ? Because it stresses your body more ? I understand weight lifting tones and cuts fat , but wouldn’t doing 30 mins of cardio after each weight sessions help loose it faster ?

  8. Hi…Im 17 yrs old.I weight 73 kg and im tall like 170 cm.Do you recommend me this weight loss plan and if NO,wht kind of weight loss plan (to lose 10 kg for 2 months) can u reccomend me pls.

  9. How many pounds do you lose doing this?
    I would like to know a list of food and exercises I should do to lose at least 60-80 pounds.

  10. When you recommended just having one meal per day instead of multiple small ones, what time of the day would you recommend…tea time? I thought skipping breakfast was extremely bad for you.

  11. A couple of years ago I was melting weight off rapidly. I only drank water as a source of liquid and I ate pinto beans, boiled cabbage and carrots with no salt whatsoever. Sometimes I would add oatmeal or some eggs for breakfast. Then once or twice a day I would take a short jog then add about 100 feet to it each day. The beans gave me protein, the eggs all the amino acids and adding the 100ft or so kept my goals reasonable, but yet forced my body to burn more energy to adjust to the new demands.
    Your plan in best case scenario will get me down to 227 completely naked. I feel like resuming my earlier routine will allow me to get down to right at 200 or a little less by August 15. (That’s when I go to China for a teaching job that came about rather quickly) I feel like I might be sensationalizing the numbers a bit to think I can lose over 40 pounds in 5 weeks, but at the same time weight loss has always been a bit easy for me, which is why I always put it off.

  12. Hola!

    I’m 20 years old, 62 in and 166.49lbs. I’m a singer and have a formal presentation on august 4th, but I need to look “presentable” aka not morbidly obese. Plus I don’t feel confident with myself. I’m currently on a calorie deficit of 40% and doin light excercise. Since I have a sedentary job, it’s been really hard to lose weight.
    Any tips?

    P.S: Love the writing. And the steaks.

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