Here’s Why A Fast-metabolism Diet Is Good For You

Updated on April 30th, 2020

The objective of the fast metabolism diet or high metabolism diet is to speed up your body’s metabolism so that you can consume significant amounts of food but still experience weight loss. That is why it is called “The fast metabolism diet: eat more food and lose more weight.

Haylie Pomroy, a nutritionist and wellness consultant invented this diet and ascertained that this diet could help you lose about 20 pounds in approximately 28 days while consuming three proper meals and two snacks every day. Hence, it is popularly known as a “28 days fast metabolism diet.”

The body’s general dietary objectives are achieved by rotating foods throughout every seven days, as mentioned in the fast metabolism diet plan. As per Haylie Pomroy, this rotation increases the metabolism capacity of your body and burns more calories, which helps in weight loss. What’s best about this diet plan is that calorie tracking isn’t necessary!

What is Metabolism?

Metabolism is the process in which the body converts consumed food into energy. In this biochemical process, the calories consumed breakdown and combine with oxygen within the body. It then releases energy, which is required for the body to function correctly.

Metabolism has a significant amount of impact on weight gain, but proper exercise can help lose weight. Still, in some cases, eating and exercise do not help, and that’s when a fast metabolism diet can assist in weight loss.

What Role Does Diet Play In Metabolism?

The metabolism of your body works according to the food you consume. If the proper amount of carbohydrates, fats, and proteins are not introduced to the body, then you won’t be able to maintain the required mass and muscle strength to function properly. If a proper diet isn’t maintained, then metabolism of your body will transform the excess fat that has been consumed into body fat.

Several studies have shown that a healthy diet should be balanced with the required amounts of fruits, vegetables, meats, serials, fat, and sugar to maintain the required body weight and function properly. The fast or fat metabolism diet plan is properly constructed to provide the body with enough carbohydrate, fat, and protein not only to lose weight but also to maintain the required weight.

Does The Fast Metabolism Diet Work?

Yes, it works! There are three phases in the fast metabolism diet, and each phase has a distinguished list of foods. There is a rotation process of every week for 28 days, and the meals are repeated three times during this estimated period:

Phase 1: (days 1 & 2): Beginning days help to cool down the adrenals and disentangle stress. This phase is considered the moderate protein and high-glycemic phase.

This phase includes food rich in carbohydrates such as quinoa, brown rice, low-fat food items, fruits (high in natural sugar), and foods with moderate protein content.

Phase 2: (days 3 & 4): This helps build muscle mass and unfasten accumulated body fat. This phase of the fast metabolism diet plan is considered the high-vegetable, high-protein, low-fat, and low-carbohydrate diet.

It includes nutritious vegetables and a significant amount of lean protein.

Phase 3:(days 5,6 & 7):  The primary objective is to focus on the heat of the body, heart, and hormonal stabilization. This phase is considered the moderate protein, moderate carbohydrate, low-glycemic fruit, and high healthy fat phase.

It includes foods that are high in a healthy fat such as coconuts, avocados, berries, grains, and small amounts of lean meat.

This diet plan introduces all the varieties of carbohydrates, fat, and protein that your body requires to maintain the necessary nutrient content. Your body needs protein, natural sugar, complex carbohydrates, enough salt, and fat to preserve the natural body balance.

There is also a prescribed regular exercise routine along with this diet plan, which is rotated according to the food consumption routine. The week should begin with light exercises such as aerobics or yoga. It should end with slightly heavy exercises such as lifting weights, running, and flexibility training.

What Are the Benefits of a Fast Metabolism Diet?

1. Promotes Weight Loss

brown rice vs white rice weight loss

The fast metabolism diet plan significantly promotes weight loss. It includes significant quantities of whole foods with high fiber content, which helps the body lose weight.

2. No Carbs

This diet also excludes refined sugar, processed foods, wheat, and soy, which replenishes your diet and helps you consume healthy food, in turn, avoiding excessive fat build-up. And due to these food consumption and food exclusion, it can help naturally reduce calorie consumption, which promotes weight loss.

3. Essential Nutrition

This diet also has other benefits such as hydrating the body, the inclusion of all the required vitamins and minerals into the body, the exclusion of highly processed foods, rendering a robust immune system, and enables proper brain functioning.

What Are the Foods for a Fast Metabolism Diet Vegetarian?

Phase 1:

The food items that are included in the first phase of the fast metabolism diet food list is leafy green vegetables such as:

  • Mustard greens
  • Collards
  • Kale
  • Asparagus
  • Cabbage
  • Broccoli
  • White meat poultry
  • Lean beef
  • Low-fat fish
  • Egg whites

Phase 2:

The food items that increase fast metabolism in the second phase include

  • Seeds
  • Nuts
  • Avocados
  • Nut butter
  • Coconuts
  • Salmon
  • Olives
  • Asparagus
  • Berries
  • Cauliflower
  • Beans
  • Seaweed
  • Chicken liver
  • Lean beef
  • Quinoa

Phase 3:

It includes foods like

  • Coconuts
  • Avocados
  • Berries, grains
  • Small amounts of lean meat


  • This diet is a good and consistent diet, but according to several other nutritionists and researchers, it does not precisely show any results in the beginning. This diet requires about a month to show any significant effect.
  • The weight loss of 20 pounds may not be true for everybody.
  • This diet also has claimed to reduce stress and improve brain function, but there isn’t any proven study that confirms these claims.

Suggested Read:
•  Thrive Diet: The New & Popular Diet for Weight Loss

•  What is the Volumetrics Diet and Why Do Millennials Love it
•  What Is the Pegan Diet, and Why Is It the Next Big Thing?

Side Effects

In some cases, the followers of this diet have seen significant weight loss and weight fluctuation. To avoid this, consult a dietitian before adhering to this regime.


The fast metabolism diet plan is an elaborate plan which has shown proper results in the beginning, but for the long-term, this may or may not be suitable for your body. This diet plan heavily depends on how a body can adjust to the routine. That is why it is better first to consult a nutritionist or a dietitian who will be able to customize the diet for you according to your body requirements. This will help show permanent long term results rather than short term weight fluctuations.


1. What Are the Foods That You Shouldn’t Consume, or What Foods Slow Down Your Metabolism?

Refined sugar, high-fat meat, milk & milk products, oranges, mangoes, peaches, fruit juice, wheat, and corn are the foods to avoid.

2. Does Fast Metabolism Cause Weight Loss?

It can, but for a short period. But no research proves this diet plan has any significant effect for a longer time.

3. Do Bananas Slow Your Metabolism?

Bananas are great for improving your metabolism. The Potassium content in bananas may help your body in transferring nutrients into your cells, which may further help in improving your metabolism.

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