The 13 Day Diet: Fad or Faithful?

As you likely already know, your metabolism plays a large role in determining how many calories you’ll burn each and every day. By speeding up the performance of your metabolism, you’ll be able to burn calories and fat faster than ever before.

There are tons of foods out there that can help you speed up your metabolism to some degree and they all work exceptionally well.

So, what would happen if you combined all of these into a single diet plan? You would get the 13 day metabolism diet.

I’ve had readers contact us with stories of them shredding up to 4kgs by just following this diet for 13 days. *read the comments section below.

Here’s the diet plan to get you started.

Day 1

  • Breakfast – cup of caffeinated coffee (no milk, cream or sugar)
  • Lunch – 2 organic boiled eggs and fresh cooked spinach (no limit on caloric intake)
  • Dinner – 1 lean grilled steak

Day 2

  • Breakfast – Cup of caffeinated coffee (no milk, cream or sugar) and 1 slice of whole wheat bread (with or without low-fat butter)
  • Lunch – 200 Grams of ham
  • Dinner – Salad (cucumber and lettuce only), grilled lean steak and fruit

Day 3

  • Breakfast – Cup caffeinated coffee (no sugar, milk or cream) and 1 slice of whole wheat bread (with or without low-fat butter)
  • Lunch – 2 organic boiled eggs, green beams and tomato salad
  • Dinner – Salad (lettuce and cucumbers only) and 1 slice of ham

Day 4

  • Breakfast – Cup of caffeinated coffee (no sugar, cream or milk) and 1 slice of whole wheat bread (with or without low-fat butter)
  • Lunch – Raw or cook carrots (with or without low-fat cheese)
  • Dinner – Plain or natural yogurt and fruit salad (a mixture of fruits)

Day 5

  • Breakfast – Cup caffeinated coffee (no cream, milk or sugar) raw or cooked carrots (with or without lemon)
  • Lunch – Grilled with fish and raw sliced tomato
  • Dinner – Salad and 1 grilled steak

Day 6

  • Breakfast – Cup of coffee (no cream, milk or sugar) and 1 slice of whole wheat bread
  • Lunch – 200 grams of grilled chicken (skinned)
  • Dinner – 2 organic boiled eggs and carrots

Day 7

Day 7 will provide you with the freedom to pick and choose. Just do not get too greedy, because you have several more days ahead. Enjoy day 7. It is only going to get harder from here on out.

  • Breakfast – Enjoy a glass of lemon tea
  • Lunch – Chow down on some fruit and a grilled steak
  • Dinner – Enjoy anything you want, even if it is not on the list! CHEAT DAY!

Day 8

Day 8 is very similar to the days before yesterday. Brace yourself for the hunger pains, because you’ll probably feel like you’re pretty hungry at this point. Hang in there though.

  • Breakfast – Drink a black coffee with as much sugar as you prefer
  • Lunch – Enjoy 2 boiled eggs with a little bit of cooked spinach
  • Dinner – Finish the day with a juicy, 200-gram grilled steak

Day 9

For day 9, you’ll be able to enjoy some delicious ham at the end of the day. You’ll also enjoy a large lunch. You’re on the down slide, but you have a few more days to go. Hang in there!

  • Breakfast – Eat a piece of buttered whole wheat bread and drink a black coffee
  • Lunch – Enjoy a piece of grilled steak and a green salad
  • Dinner – For dinner, enjoy a 200-gram Ham

Day 10

As day 10 arrives on the 13 day diet, you’ll probably feel pretty hungry. Do not worry, because day 10 brings a bit of a reprieve. Today you’ll be able to eat a lot more than you usually do.

  • Breakfast – Start the day with a black coffee and a piece of buttered whole wheat break
  • Lunch – You can have a big lunch of green beans, a tomato salad, and two boiled eggs
  • Dinner – Finish the day with ham and green salad. The salad should consist of cucumber and lettuce only

Day 11

  • Breakfast – Have a black coffee with a buttered piece of whole wheat bread
  • Lunch – Have carrots. They can be cooked or raw and add cheese
  • Dinner – Enjoy a delicious fruit salad with natural yogurt

Day 12 And 13

On day 12 and 13, you’ll begin to notice extreme changes in your body. You’re not finished yet though. You’ve got two more days to go! This is where you need to dig deep and use every bit of determination you have left.

  • Breakfast – For breakfast, you should have a piece of buttered whole wheat bread and black coffee
  • Lunch – Enjoy a piece of tomato along with grilled skinned chicken
  • Dinner – Finish the day with 2 boiled eggs and carrots

What Is The 13 Day Diet?

First and foremost, you should better familiarize yourself with the 13 day diet plan, A.K.A The 13 day metabolism diet. As the name suggests, this diet plan lasts 13 days. Unlike other diets, the 13 day diet tells you exactly what to eat during the dieting period, so there will be no guessing.

When starting the 13 day diet, you will need to avoid:

  • Alcohol
  • Cooking oil
  • Salad dressing
  • Sweeteners
  • Chewing gum

You should also avoid any and all foods that are not listed on the plan. Please also remember to drink plenty of water during the 13 day period.

Is The 13 Day Diet Healthy And Should You Try It?

There is a good chance that the 13 day diet will help you lose weight. However, you must think about how healthy the diet really is. The diet forces you to lose a significant amount of weight in a short period, and that may not be safe. On average, it is recommended that you should only lose 1kg or 1.5kg each week. So, should you give it a try? Well, the 13 day diet can work, but it is somewhat risky.

On top of that, there is a chance that you’ll gain the weight back after the 13 days have elapsed. Therefore, it might be best to choose a diet that is much safer like this highly recommended 30 day diet plan written by a qualified dietitian.

Have you tried the 13 day diet? What was your experience? Let us know in the comments section below!

*As always, please make sure you talk to your Dr before trying this diet or any other diet.

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22 Responses

  1. Mashiya Seroto says:

    I have lower back problems and as part of the things to avoid I am not sure if medication will affect my plan or not. In simple I need to know if I can continue taking my pain killers while on this diet plan?

  2. Brenda says:

    I haven’t tried this diet and will not even attempt it, I can’t imagine myself surviving on a cup of coffee throughout the morning.

  3. ntombi says:

    Can I substitute the steak with chicken?

  4. Ivy says:

    Willing to go for it but should i stop seven day banring cause i started with it last week?

  5. Goodness says:

    I’m interested I will start 13 diat tomorrow

  6. Hermi says:

    Hi! I did a 13 day challenge and it worked, and I heard that you’ll only do it after 2yrs. So I wanted to find out is it possible to try another diet, and if it won’t have any effect on my body. I want to try out the 2 week egg challenge.

    • sarah emora says:

      First of all, WELL DONE! That’s amazing progress. These diets are short because they aren’t sustainable. Your body will start to struggle with lack of colories and nutrients. Can I recommend the 30 day diet plan? It was written by a qualified dietitian we work with and it works like a BOMB. You can read more here if your are interested

  7. Can I stay 3 days longer on the diet, have lost about 3.5
    Kilos and would just like to get to get 4kilos lost.

    • sarah emora says:

      It shouldn’t be an issue. Just don’t push it for too long, especially if you start noticing you’re more fatigues etc.

  8. Loola says:

    This is exactly the same meals as the 14 day German Institute Diet that was doing the rounds in the mid 90s. I did it and lost a stupid amount of weight in the 2 weeks (around 7kgs). It did however make me feel very drained with headaches and no energy whatsoever. And the weight eventually came back, but I guess like with any plan, it requires maintenance. But hey, each to his own… I wouldn’t do it now, I much prefer living a healthy lifestyle without depriving myself of too much and that works for me.

  9. Funi says:

    I am on day 2 of this diet. The last time i did this diet i lost about 8 kg. Im on it again and hoping for the best results. I will keep you posted on the progress.

  10. Funi says:

    I am on day 9 and have lost 6kg already.
    Im soo excited, and idont even get hungry anymore.

  11. Maryam says:

    I am on day 5 of this diet. I wonder if i can have tea during the day! It is really hard without tea!!!

  12. Annamaria Moldovan says:

    Where it says you’re allowed anything even if not on this list, for day 7 dinner, could that also include a glass of wine? i think that’s what i miss the most and im only on day 3 :))

  13. Leigh says:

    Is it ok to swap day 5 & 6 around? It’s my dads birthday lunch and I’d way prefer to eat some fish rather than egg/carrots/cheese?

  14. Celeste O'Brien says:

    Good Day…I am starting the 13 Day diet today…

    I just want to know if I can drink mint green tea during this diet…

  15. F says:

    I did the 13 day diet in 2017, managed to lose 10kg. Kept the weight off for about six months by eating healthy.

  16. zandile nkosi says:

    hi I don’t eat eggs what can I add

  17. wellyTee says:

    can I eat some fruits while I am on this diet, when I feel hungry?

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