---
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title: "The Obesity Code: the bestselling guide to unlocking the secrets of weight loss: 1"
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# The Obesity Code: the bestselling guide to unlocking the secrets of weight loss: 1

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- **What is this?** The Obesity Code: the bestselling guide to unlocking the secrets of weight loss: 1
- **How much does it cost?** S/.155 with free shipping
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## Description

Groundbreaking guide reveals hormones, not willpower, cause obesity. Discover science-backed approach to reversing insulin resistance for lasting weight loss.

Review: Research clear , simple equation and solution - Really informative and helpful. Going to put to good use and see how it goes. Brings together and dispels previous research and helpfully outline Big Food hijacking Health organisations and essentially spreading diet fads that were about profits and not health. Some helpful resources and excellent. Ill come back in 6 months to update findings from my own application
Review: Great book, the true cause of obesity is isolated. - Great book. A glossary would be a good addition for the big words (offering a conceptual understanding) , of which there are not too many. It's not really a "diet" , that word infers a lifetime if you look up the derivation of the word. A lot of common sense and offers hope to all those people who've been counting calories for decades, not knowing weight gain is actually hormonal. The fasting aspect is another weapon you can add to your arsenal in the fight against obesity. I did a one page precis which I'll paste here. Hopefully someone will find it helpful. My notes from reading the book The Obesity Code by Jason Fung. https://www.desertcart.co.uk/dp/1925228797/ref=cm_sw_r_apa_i_nHm6EbTSQMBS5 (I don't make anything from this) Weight loss/gain, is hormonal, not based on calorie intake. You can eat more calories than another person and still lose weight. Which is better for you... 100 calories of broccoli? Or 100 calories of Krispy Kreme doughnuts? Kind of destroys that theory... Intermittent fasting 24 to 36 hours....build up to it...gets insulin levels low, the key to weight loss. This is the missing link, the key to resettling your weight at a lower figure. You can eat a perfect diet but still not lose weight because your "set weight" remains the same. Whole foods...brown rice, spelt flour, sour dough/wholemeal breads (easier to digest) Cut right down on wheat/bread/rice/pasta and desserts and pastries...ideally eat none. Apple cyder vinegar regularly before meals... add to your water bottle...drink all day. It reduces insulin spike by over 20% when you eat. Moderate protein, protein causes an insulin response too, especially lean cuts like chicken breast. Avoid processed foods in packages, especially if it has more than around 5 ingredients. Increase fat...dont worry...it will satiate you, you'll have less cravings and be less inclined to eat junk. Low carb fruits and vegetables...berries, plums, cherries, apricots, watermelon, kiwi, strawberry, raspberry, cantaloupe, clementine, blackberry, peach, grapefruit, olives, honeydew, blackberries. Vegetables...grean leafy, peppers, broccoli, mushrooms, asparagus, courgettes, spinach, avocado, green beans, cucumber, radish, aubergine, tomato etc. No fast food! Sucrose is 50% glucose and 50% fructose. Fructose can only be processed by the liver, and excess amounts will directly cause insulin resistance, which causes more insulin to be released (the vicious cycle of type 2 diabetes) Bone broth..home made is better. Skip breakfast...eat in the afternoon...go as long as you can. Organ meats occasionally... Liver and kidney...others if you can stomach it. Soaking in milk first cleans and softens it(the liver). Drinks: coffee with cream or butter or black, herb teas, coconut water, mineral water are good. Don't count calories, no need, the word diet is always used wrongly, to describe a temporary eating plan. But the origin of the word means "a way of life"...something you do forever! Middle English: from Old French diete (noun), dieter (verb), via Latin from Greek diaita ‘a way of life’. Don't snack, very important!!!!! ..eat proper meals... 3 but preferably 2 meals a day. Some people eat once a day but its not necessary to lose weight. You can do without that energy bar, crisps or that fizzy drink! Fat fills you up, creates little or no insulin response, and gives you energy for the day. Eat fruit as a dessert...with Greek yougurt is nice...full fat of course, honey on top in moderation. Honey is the only whole food that will cause a big spike in insulin. High blood sugar does not equal high insulin btw. Don't starve yourself, but eat till you are just satisfied, not lethargic...like after Christmas Dinner. Your brain has to go without some blood to digest a big meal so your thinking will be slow. Fasting will help reset your "set weight"...the weight your body always tries to revert to, hormones will make you eat more, and hormones will control the speed the food travels through the gut. The "set weight" tends to go up every year to the degree you eat foods that cause insulin to be released. This is like a toolbox. The more points you apply the more chance you will have of success. Everything centres around insulin, eating foods that will not cause a big spike, and having long periods without food or drink, to reset your "metabolism"...the average level of your insulin. Exercise is good, it helps nutrients reach your muscles. But it's only 5% of the battle. What you eat/drink and WHEN is the most important thing to lose weight. My notes from reading the book The Obesity Code by Jason Fung. Weight loss/gain, is hormonal, not based on calorie intake. You can eat more calories than another person and still lose weight. Which is better for you... 100 calories of broccoli? Or 100 calories of Krispy Kreme doughnuts? Kind of destroys that theory... Intermittent fasting 24 to 36 hours....build up to it...gets insulin levels low, the key to weight loss. This is the missing link, the key to resettling your weight at a lower figure. You can eat a perfect diet but still not lose weight because your "set weight" remains the same. Whole foods...brown rice, spelt flour, sour dough/wholemeal breads (easier to digest) Cut right down on wheat/bread/rice/pasta and desserts and pastries...ideally eat none. Apple cyder vinegar regularly before meals... add to your water bottle...drink all day. It reduces insulin spike by over 20% when you eat. Moderate protein, protein causes an insulin response too, especially lean cuts like chicken breast. Avoid processed foods in packages, especially if it has more than around 5 ingredients. Increase fat...dont worry...it will satiate you, you'll have less cravings and be less inclined to eat junk. Low carb fruits and vegetables...berries, plums, cherries, apricots, watermelon, kiwi, strawberry, raspberry, cantaloupe, clementine, blackberry, peach, grapefruit, olives, honeydew, blackberries. Vegetables...grean leafy, peppers, broccoli, mushrooms, asparagus, courgettes, spinach, avocado, green beans, cucumber, radish, aubergine, tomato etc. No fast food! Sucrose is 50% glucose and 50% fructose. Fructose can only be processed by the liver, and excess amounts will directly cause insulin resistance, which causes more insulin to be released (the vicious cycle of type 2 diabetes) Bone broth..home made is better. Skip breakfast...eat in the afternoon...go as long as you can. Organ meats occasionally... Liver and kidney...others if you can stomach it. Soaking in milk first cleans and softens it(the liver). Drinks: coffee with cream or butter or black, herb teas, coconut water, mineral water are good. Don't count calories, no need, the word diet is always used wrongly, to describe a temporary eating plan. But the origin of the word means "a way of life"...something you do forever! Middle English: from Old French diete (noun), dieter (verb), via Latin from Greek diaita ‘a way of life’. Don't snack, very important!!!!! ..eat proper meals... 3 but preferably 2 meals a day. Some people eat once a day but its not necessary to lose weight. You can do without that energy bar, crisps or that fizzy drink! Fat fills you up, creates little or no insulin response, and gives you energy for the day. Eat fruit as a dessert...with Greek yougurt is nice...full fat of course, honey on top in moderation. Honey is the only whole food that will cause a big spike in insulin. High blood sugar does not equal high insulin btw. Don't starve yourself, but eat till you are just satisfied, not lethargic...like after Christmas Dinner. Your brain has to go without some blood to digest a big meal so your thinking will be slow. Fasting will help reset your "set weight"...the weight your body always tries to revert to, hormones will make you eat more, and hormones will control the speed the food travels through the gut. The "set weight" tends to go up every year to the degree you eat foods that cause insulin to be released. This is like a toolbox. The more points you apply the more chance you will have of success. Everything centres around insulin, eating foods that will not cause a big spike, and having long periods without food or drink, to reset your "metabolism"...the average level of your insulin. Exercise is good, it helps nutrients reach your muscles. But it's only 5% of the battle. What you eat/drink and WHEN is the most important thing to lose weight.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | 13,613 in Books ( See Top 100 in Books ) 11 in Oncology Nutrition 18 in Public Health & Preventive Medicine 35 in General Medical Issues Guides |
| Book 1 of 2  | The Obesity Code |
| Customer reviews | 4.6 4.6 out of 5 stars (36,754) |
| Dimensions  | 13.5 x 2.4 x 21 cm |
| ISBN-10  | 1925228797 |
| ISBN-13  | 978-1925228793 |
| Item weight  | 334 g |
| Language  | English |
| Print length  | 336 pages |
| Publication date  | 17 Mar. 2016 |
| Publisher  | Scribe UK |

## Images

![The Obesity Code: the bestselling guide to unlocking the secrets of weight loss: 1 - Image 1](https://m.media-amazon.com/images/I/61W-yqm5c3L.jpg)
![The Obesity Code: the bestselling guide to unlocking the secrets of weight loss: 1 - Image 2](https://m.media-amazon.com/images/I/81dTxTCnU8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Research clear , simple equation and solution
*by H***K on 17 March 2026*

Really informative and helpful. Going to put to good use and see how it goes. Brings together and dispels previous research and helpfully outline Big Food hijacking Health organisations and essentially spreading diet fads that were about profits and not health. Some helpful resources and excellent. Ill come back in 6 months to update findings from my own application

### ⭐⭐⭐⭐⭐ Great book, the true cause of obesity is isolated.
*by C***N on 18 June 2020*

Great book. A glossary would be a good addition for the big words (offering a conceptual understanding) , of which there are not too many. It's not really a "diet" , that word infers a lifetime if you look up the derivation of the word. A lot of common sense and offers hope to all those people who've been counting calories for decades, not knowing weight gain is actually hormonal. The fasting aspect is another weapon you can add to your arsenal in the fight against obesity. I did a one page precis which I'll paste here. Hopefully someone will find it helpful. My notes from reading the book The Obesity Code by Jason Fung. https://www.amazon.co.uk/dp/1925228797/ref=cm_sw_r_apa_i_nHm6EbTSQMBS5 (I don't make anything from this) Weight loss/gain, is hormonal, not based on calorie intake. You can eat more calories than another person and still lose weight. Which is better for you... 100 calories of broccoli? Or 100 calories of Krispy Kreme doughnuts? Kind of destroys that theory... Intermittent fasting 24 to 36 hours....build up to it...gets insulin levels low, the key to weight loss. This is the missing link, the key to resettling your weight at a lower figure. You can eat a perfect diet but still not lose weight because your "set weight" remains the same. Whole foods...brown rice, spelt flour, sour dough/wholemeal breads (easier to digest) Cut right down on wheat/bread/rice/pasta and desserts and pastries...ideally eat none. Apple cyder vinegar regularly before meals... add to your water bottle...drink all day. It reduces insulin spike by over 20% when you eat. Moderate protein, protein causes an insulin response too, especially lean cuts like chicken breast. Avoid processed foods in packages, especially if it has more than around 5 ingredients. Increase fat...dont worry...it will satiate you, you'll have less cravings and be less inclined to eat junk. Low carb fruits and vegetables...berries, plums, cherries, apricots, watermelon, kiwi, strawberry, raspberry, cantaloupe, clementine, blackberry, peach, grapefruit, olives, honeydew, blackberries. Vegetables...grean leafy, peppers, broccoli, mushrooms, asparagus, courgettes, spinach, avocado, green beans, cucumber, radish, aubergine, tomato etc. No fast food! Sucrose is 50% glucose and 50% fructose. Fructose can only be processed by the liver, and excess amounts will directly cause insulin resistance, which causes more insulin to be released (the vicious cycle of type 2 diabetes) Bone broth..home made is better. Skip breakfast...eat in the afternoon...go as long as you can. Organ meats occasionally... Liver and kidney...others if you can stomach it. Soaking in milk first cleans and softens it(the liver). Drinks: coffee with cream or butter or black, herb teas, coconut water, mineral water are good. Don't count calories, no need, the word diet is always used wrongly, to describe a temporary eating plan. But the origin of the word means "a way of life"...something you do forever! Middle English: from Old French diete (noun), dieter (verb), via Latin from Greek diaita ‘a way of life’. Don't snack, very important!!!!! ..eat proper meals... 3 but preferably 2 meals a day. Some people eat once a day but its not necessary to lose weight. You can do without that energy bar, crisps or that fizzy drink! Fat fills you up, creates little or no insulin response, and gives you energy for the day. Eat fruit as a dessert...with Greek yougurt is nice...full fat of course, honey on top in moderation. Honey is the only whole food that will cause a big spike in insulin. High blood sugar does not equal high insulin btw. Don't starve yourself, but eat till you are just satisfied, not lethargic...like after Christmas Dinner. Your brain has to go without some blood to digest a big meal so your thinking will be slow. Fasting will help reset your "set weight"...the weight your body always tries to revert to, hormones will make you eat more, and hormones will control the speed the food travels through the gut. The "set weight" tends to go up every year to the degree you eat foods that cause insulin to be released. This is like a toolbox. The more points you apply the more chance you will have of success. Everything centres around insulin, eating foods that will not cause a big spike, and having long periods without food or drink, to reset your "metabolism"...the average level of your insulin. Exercise is good, it helps nutrients reach your muscles. But it's only 5% of the battle. What you eat/drink and WHEN is the most important thing to lose weight. My notes from reading the book The Obesity Code by Jason Fung. Weight loss/gain, is hormonal, not based on calorie intake. You can eat more calories than another person and still lose weight. Which is better for you... 100 calories of broccoli? Or 100 calories of Krispy Kreme doughnuts? Kind of destroys that theory... Intermittent fasting 24 to 36 hours....build up to it...gets insulin levels low, the key to weight loss. This is the missing link, the key to resettling your weight at a lower figure. You can eat a perfect diet but still not lose weight because your "set weight" remains the same. Whole foods...brown rice, spelt flour, sour dough/wholemeal breads (easier to digest) Cut right down on wheat/bread/rice/pasta and desserts and pastries...ideally eat none. Apple cyder vinegar regularly before meals... add to your water bottle...drink all day. It reduces insulin spike by over 20% when you eat. Moderate protein, protein causes an insulin response too, especially lean cuts like chicken breast. Avoid processed foods in packages, especially if it has more than around 5 ingredients. Increase fat...dont worry...it will satiate you, you'll have less cravings and be less inclined to eat junk. Low carb fruits and vegetables...berries, plums, cherries, apricots, watermelon, kiwi, strawberry, raspberry, cantaloupe, clementine, blackberry, peach, grapefruit, olives, honeydew, blackberries. Vegetables...grean leafy, peppers, broccoli, mushrooms, asparagus, courgettes, spinach, avocado, green beans, cucumber, radish, aubergine, tomato etc. No fast food! Sucrose is 50% glucose and 50% fructose. Fructose can only be processed by the liver, and excess amounts will directly cause insulin resistance, which causes more insulin to be released (the vicious cycle of type 2 diabetes) Bone broth..home made is better. Skip breakfast...eat in the afternoon...go as long as you can. Organ meats occasionally... Liver and kidney...others if you can stomach it. Soaking in milk first cleans and softens it(the liver). Drinks: coffee with cream or butter or black, herb teas, coconut water, mineral water are good. Don't count calories, no need, the word diet is always used wrongly, to describe a temporary eating plan. But the origin of the word means "a way of life"...something you do forever! Middle English: from Old French diete (noun), dieter (verb), via Latin from Greek diaita ‘a way of life’. Don't snack, very important!!!!! ..eat proper meals... 3 but preferably 2 meals a day. Some people eat once a day but its not necessary to lose weight. You can do without that energy bar, crisps or that fizzy drink! Fat fills you up, creates little or no insulin response, and gives you energy for the day. Eat fruit as a dessert...with Greek yougurt is nice...full fat of course, honey on top in moderation. Honey is the only whole food that will cause a big spike in insulin. High blood sugar does not equal high insulin btw. Don't starve yourself, but eat till you are just satisfied, not lethargic...like after Christmas Dinner. Your brain has to go without some blood to digest a big meal so your thinking will be slow. Fasting will help reset your "set weight"...the weight your body always tries to revert to, hormones will make you eat more, and hormones will control the speed the food travels through the gut. The "set weight" tends to go up every year to the degree you eat foods that cause insulin to be released. This is like a toolbox. The more points you apply the more chance you will have of success. Everything centres around insulin, eating foods that will not cause a big spike, and having long periods without food or drink, to reset your "metabolism"...the average level of your insulin. Exercise is good, it helps nutrients reach your muscles. But it's only 5% of the battle. What you eat/drink and WHEN is the most important thing to lose weight.

### ⭐⭐⭐⭐⭐ Fantastic
*by L***R on 9 July 2020*

I bought this 2 1/2 months ago and have been following the guidelines for the past 2 months. I am getting great results, feeling so much more energetic, stopped feeling the hunger pangs I used to get and best of all I get to eat everything I want, but the right foods. Fasting is a really interesting concept I never thought I would ever do but I have done around two 24-hour fasts a week since reading this. I am losing weight as well which is excellent, the real test if whether it stays off, but that will take 1-2 years until I am able to say. I have lost lost of weight on various diets over the years but this appears to promise to be sustainable and has a program to stop the body from attempting homeostasis (ie. to take your back up to your pre-diet weight). It is EASY to follow, and cheap! The science behind it really makes sense too, I completely get it, wish I'd have read this years ago. The basics of the theory is that our weight is controlled by insulin and therefore we should try not to spike our insulin too much and too often. I can only say I feel amazing doing this, I love it. This is what I have been doing: 1. Eating 2 meals a day, a later breakfast and and earlier supper 2. Drinking water/tea/coffee only, no fizzy drinks 3. Not eating refined carbohydrates - sugar, pasta, bread, etc 4. Having 18 hours between meals, eg. supper at 4pm and breakfast at 10am. 5. Making sure I eat enough calories a day, so also eating 90% dark chocolate and nuts as well, which I have grown to love. Please please read this, even if you are not overweight, it will teach you so much about how your body operates that we seem to have forgotten over the years. A real eye opener. This is the best book written by Dr Fung in my opinion, I have read all of this others since reading this. I would also recommend Eat to Live by Dr Fuhrman, which with this book has given me a great grounding in nutrition and health.

## Frequently Bought Together

- The Obesity Code: the bestselling guide to unlocking the secrets of weight loss: 1 (The Obesity Code, 1)
- The Obesity Code Cookbook: recipes to help you manage your insulin, lose weight, and improve your health: 2 (The Obesity Code, 2)
- The Diabetes Code: Prevent and Reverse Type 2 Diabetes Naturally (The Code Series, 2)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-05-17*