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. is it ok if I don’t do weights I’m currently 5’5 and weigh 155 I want to lose 10 lbs, but I don’t have weights and don’t want to buy anything

  2. I am 5’3 and 135 but I want to drop down to 115 ASAP. Will this work if I stay on this diet for the next 2 weeks?

  3. I need to loss 10 or so pounds for wrestling but im a year or 2 away from 18 I just wanted to ask if there is any actual problem that can come from this

    1. you can lose 10 pounds over the course of a year in a much more sustainable and healthy way than trying to rush it in a week.

  4. I am 39 year old and 5,5 height and 68kg I had baby and I am breastfeeding I want to loose extra 2 stone cause I was 8and half stone gone to 10 and half I am very healthy eater not eating carb atoll need help plz help me will be much appreciated

  5. I am 5’6 28 years old. With a major shoulder injury so I can’t lift weights. I was 224.5 a Week and a half ago and now I am 212. By eating one meal a day: for the first 2-3 days ONLY, I had 600-1100 calorie meals. It was hard to fight the hunger but after those 2 days it dramatically became less of a challenge to the point where I sincerely don’t feel hunger. last night I ate a 1900 calorie meal which was over 1lb of grilled seasoned boneless skinless chicken breast. And sauteed veggies with mushrooms. Hours later upon waking up I actually LOST 1lb (212)!!! today I dont feel hungry so I chose not to eat and I am typing to you 28 hours into my fast (it’s 2:34 AM ((I am playing Xbox PUBG at the moment))

    My Fitbit watch tells me My REM cycle has DOUBLED (2hr 40 min)I WISH I knew of this method of eating sooner.

    Again, eating a one meal 1300 calorie meal will make you feel like ur a binging fatso…but u lose weight…dude its like cheating the system

  6. I weigh 163.. how long before I lose 20 pounds following your method? Do these calories consumed include adult beverages calories

  7. I’m gonna do this, not just try this! I’m 53, 5ft8 and a whopping 260 lbs!! I won’t make excuses but show me a skinny Hawaiian n I’ll kiss your coconut! My whole family looks the same, a big brown walking apple. Does nationality have any real truth to this? What ever the case, tomorrow I will start this! Aloha, Brother!

  8. Im 17 turning 18 in a few months and im 5”11 and weigh 121 pounds but i wanna be 111 do you think i could lose 10 lbs in a week before i go off to holiday cus i dont wanna look fat in the pictures :/

  9. Getting married in 11 days. Weigh 122, 5’4”, do HIIT 3-4 times per week, run 3-5 miles 2-3 times per week, weight lift 2 times per week. I would like to follow this plan in attempt to debloat before my wedding. Will I be able to work out during the week, if I’m consuming 800 calories/day ? Also, how much weight realistically do you think I would lose given my stats above, because 10 pounds is not realistic.
    Thanks!

    1. maybe a few pounds, hard to say. If you’re really just doing this for your wedding, I’d try to manipulatee your carb/water intake to look leaner a few days before than just doing this for a week. Otherwise you’ll feel like shit.

  10. Loved this article! I don’t know what convinced me more, the humor or the science behind this method of weight loss. I’ve done IF before but never like this, looking forward to it. Great job on this article man!

  11. I have gained an awful lot of weight cause I stopped smoking. I need to loose 30 lbs. I just found out I have a thyroid problem . I was told since I have this problem I would never loose weight. I hope this will do the trick

  12. This is worth a try. Kind of a jump start to give you motivation to eat less overall in your diet and see some initial results. I am going to structure mine like this:
    1. 180 calories for breakfast,
    2. Infused water/sparkling drinks with 0-10 calories (natural flavor/sweetening – usually a little juice, stevia, xylitol ) throughout the day (I wish I could just drink water, but I will probably cheat if I do that only),
    3. 600 calories for dinner.
    Working with the weights and other resistance exercises, but will probably add some crunches (I need it) but basically am following your plan.
    And then off to Vegas in a week a little lighter!

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