The Fast Metabolism Diet: Pros, Cons, and What You Can Eat

At Verywell, we believe there is no one-size-fits-all access to a healthy life style. successful eat plans need to be individualized and take the whole person into consideration. Prior to starting a new diet plan, consult with your healthcare supplier or a register dietician, specially if you have an underlie health condition. The Fast Metabolism Diet claims to rev up your metamorphosis so that you can eat batch of food and still lose weight. The diet ‘s inventor, Haylie Pomroy, suggests that you can eat three entire meals a day plus two snacks and lose astir to 20 pounds in 28 days .

Your dietary goals are accomplished by rotating foods throughout the week. This, according to Pomroy, who is besides a dietician, will speed up your metabolism so that you burn more calories and lose burden.

The Fast Metabolism Diet does not require you to count adipose tissue or carbs or track your calories. It does, however, require you to stick with the allowed foods on the design and to rigorously avoid early foods, which may pose a challenge since some of the foods that are n’t allowed are park in the standard American diet ( wheat and dairy products among them ) .

The Fast Metabolism Diet allows enough of healthy fruits, vegetables, tend meats, and unharmed grains, which is a point in its prefer. however, you ‘re only allowed to eat certain things on certain days, which may be baffling for meal planning purposes. The premise of this diet—that it ‘s possible to make your body ‘s metabolism run fast by eating only certain foods in a particular order—does not have any medical studies to back it up .

Pomroy, a regular on NBC ‘s “ Extra ” and “ Access Hollywood, ” has worked with celebrities ranging from Cher to Robert Downey Jr. on weight loss and nutritional goals. She calls herself “ the metabolism whisperer ” for her focus on how the body burns calories and uses nutrients obtained through food .

According to Pomroy, diets, low-nutrient foods, and besides much stress can slow down your metamorphosis, and weight addition is the result. The diet blueprint outlined in her bestselling reserve goes into contingent on respective hormonal effects of weight advance, plus the impingement on your liver, your muscles, and your unlike types of fatty .

The Fast Metabolism Diet might suit people who are seeking weight loss but who are besides will to incorporate exercise into their routines and give up entire categories of foods to achieve their goals .

What Experts Say

“ The Fast Metabolism diet focuses on eating fairly healthy foods and promotes exercise, but the structure and rules around the diet are regimented and are not based on skill. ”
— Kelly Plowe, MS, RD

What Can You Eat ?

There are six rules that Pomroy says are critical to follow in order to see success with the Fast Metabolism Diet. They involve eliminating five foods that make up the bulk of many people ‘s diets, plus one particularly common ingredient in popular beverages :

  • Wheat
  • Corn
  • Dairy
  • Soy
  • Refined sugar
  • Caffeine

To make the elimination of these dietary staples more accomplishable, particularly caffeine, Pomroy recommends patience—along with adding cinnamon to a dawn smoothie and trying feverfew or ginkgo biloba, which may help with caffeine withdrawal headaches. even, some people may find that giving up their good morning caffe latte ( neither the caffeine nor the cow ‘s milk is allowed as part of the Fast Metabolism Diet ) is a bridge excessively far .

What You Need to Know

” The Fast Metabolism Diet, ” first gear published in 2013, has its roots in Pomroy ‘s work in animal nutrition. In animal farming, it ‘s possible to shape the type of meat produced by farm animals ( fatty and marbled vs. lean ) by manipulating the food the animals eat, which in change by reversal either revs up or turns down their metabolism. Pomroy says she realized humans could achieve the lapp effect by eating different foods .

” Your metabolism is your body ‘s system for dealing with the energy you take in through food, ” Pomroy writes. “ The metabolism shuttles that energy into different directions according to what you eat and what you do. The beauty of your metabolism is that it can be manipulated because how you eat and move and live affects how much of your food is stored as fat, how much is used as energy, and how much is devoted to building the social organization that is your body. ”

The Fast Metabolism Diet has a devoted follow, with many people stating that it helped them lose significant weight without going hungry. however, critics note that the weight personnel casualty that ‘s potential on the diet seems to result from calorie restriction, not from the complicate schedule of different foods .

The 3 Phases of the Fast Metabolism Diet

Each phase of this diet plan has its own focus and clear-cut food lists. According to Pomroy, the phases help your soundbox reclaim from the previous phase and prepare for the adjacent phase. The phases last for a week altogether, then repeat three times for four weeks in sum :

  • Phase 1 (days one and two) is to “unwind stress and calm the adrenals.”
  • Phase 2 (days three and four) is to “unlock stored fat and build muscle.”
  • Phase 3 (days five, six, and seven) is to “unleash the burn,” and focuses on your hormones, heart, and “heat.”

The mind, Pomroy says, is to provide your body with the variety it needs in decree to obtain all your necessary nutrients. “ You need complex carbohydrates, natural sugars, protein, fat, and even salt to maintain normal consistency chemistry, ” she says, adding that you may need high levels of these elements, specially if you ‘ve been eating a poor diet for a long clock time .

however, she says, you should n’t include everything you need at once, which is the mind behind the different phases. Shifting between the phases allows the systems and organs targeted in each phase to rest and restore in turn, she says .

phase 1 : What to Eat

Phase 1 is the high-glycemic, centrist protein, low-fat phase. It includes carbohydrate-rich foods such as brown rice and quinoa, fruits that are high in natural sugars, and low-fat, moderate-protein foods .

What to Eat

  • Brown rice
  • Brown rice pasta
  • Quinoa
  • oatmeal
  • Mangoes
  • Apples
  • Figs
  • Oranges
  • lean gripe
  • turkey
  • Lentils

What not to Eat

  • Foods with polish sugar
  • wheat
  • Corn
  • juice
  • Dried fruit
  • High-fat meats
  • Milk-based products, including cheese

Phase 1 includes breakfast, lunch, and dinner, plus snacks. Breakfast consists of grains and fruit, lunch includes a grain, a protein, a vegetable, and a fruit, and dinner features a grain, a vegetable, and a protein. This routine, according to Pomroy, teaches your soundbox to use food as energy alternatively of storing it as adipose tissue .

drill in Phase 1 should include at least one day of vigorous cardio. Pomroy recommends running, working out on an elliptic flight simulator, or an cheerful aerobics course .

phase 2 : What to Eat

Phase 2 is the very high-protein, high-vegetable, low-carbohydrate, and low-fat phase of the Fast Metabolism Diet. It features high-nutrient cruciferous vegetables and lots of lean protein .

What to Eat

  • Leafy greens such as kale, collards, and mustard greens
  • Broccoli
  • cabbage
  • Onions
  • asparagus
  • lean beef
  • White meat domestic fowl
  • Buffalo/bison
  • Low-fat pisces
  • egg whites

What not to Eat

  • fruit or fruit juice
  • Grains ( including corn and wheat )
  • Refined carbohydrate
  • High-fat kernel
  • Milk-based products, including cheese

Like Phase 1, Phase 2 includes breakfast, lunch, and dinner, plus two snacks. however, the vehemence is on foods that will build muscle, as opposed to relatively high-carb fruits and grains. Breakfast features tilt protein and a vegetable, lunch is another protein and vegetable, and dinner is protein and more vegetables. Both snacks are lean protein, such as buffalo anserine or a few slices of delicatessen chicken .

exert in Phase 2 includes at least one day of lastingness trail, with a focus on lifting grave weights with broken reps .

phase 3 : What to Eat

Phase 3 is the high healthy-fat, chasten carbohydrate, moderate protein, low-glycemic fruit phase. It includes foods that are high in healthy fats, such as avocado and coconuts, lots of berries, some grains, and small kernel .

What to Eat

What not to Eat

  • Oranges
  • Peaches
  • Mangoes
  • beef
  • domestic fowl
  • Corn and wheat
  • Refined sugar
  • Milk-based products, including cheese

Phase 3 includes breakfast with fruit, a fat/protein food, a grain, and a vegetable. lunch features a fat/protein source, a vegetable, and a yield, and dinner has a fat/protein informant, a vegetable, and a grain/starch. Both snacks include a healthy adipose tissue plus a vegetable .

drill in Phase 3 includes at least one day of stress-reducing bodily process such as yoga or a massage .

once you ‘ve gone through one workweek and all three phases, you are instructed to repeat the diet as many times as you wish until you obtain the results you want.

Sample Shopping list

The Fast Metabolism Diet emphasizes goodly fruits, vegetables, tend meats, and unharmed grains, but limits consumption of certain food groups depending on which phase of the diet you ‘re in. The following shop list provides an overview of what you ‘ll need during each phase. Keep in mind this is not a definitive patronize list and you may find early foods that work well for you .

Phase 1

  • Brown rice (long grain, short grain, basmati)
  • Brown rice pasta (penne, macaroni shells, spaghetti)
  • Quinoa (regular and tricolor)
  • Oatmeal (steel cut, quick-cooking, rolled oats)
  • Mangoes
  • Apples (pink lady, granny smith, Honeycrisp)
  • Oranges (navel, Cara Cara, mandarin)
  • Figs (fresh and/or dried)
  • Lean beef (lean cuts of steak and ground sirloin)
  • Turkey (turkey breast and ground turkey)
  • Lentils (green, red, black)

Phase 2

  • Dark leafy greens (kale, collards, mustard greens, Swiss chard)
  • Broccoli (florets and whole crowns)
  • Cabbage (red and green)
  • Onions (red, white, Vidalia)
  • Asparagus
  • Lean beef
  • Buffalo/bison (ground or sirloin tips)
  • White meat chicken (whole breasts)
  • Low-fat fish (cod, flounder, sole)
  • Eggs (whites only)

Phase 3

  • Nuts (almonds, walnuts, cashews, pecans, pistachios)
  • Seeds (chia, hemp, pumpkin, flax, sunflower)
  • Nut butters (peanut, almond, cashew, sunflower)
  • Avocados
  • Coconuts (whole, half, dried/shredded)
  • Olives (green, black, kalamata, castevetrano)
  • Salmon (fillet, smoked, canned)
  • Berries (blueberries, raspberries, strawberries, blackberries)
  • Asparagus (green, white, purple)
  • Beans (black, pinto, chickpea, kidney)
  • Cauliflower
  • Quinoa
  • Seaweed (wakame, hijiki, kombu)
  • Beef and chicken liver (whole/raw or canned/pate)

sample distribution Meal plan

A variety show of fruits, vegetables, whole grains, legumes, and healthy fats are encouraged during different phases of the Fast Metabolism Diet. You are advised to consume thin protein like chicken breast, list cuts of gripe, and low-fat fish. Since it ‘s recommended you restrict your caffeine and sugar consumption, it might be best to just drink water with your meals to promote hydration and slant loss .

The follow meal plan shows you what a typical day during each of the three phases might look like. Note this plan is not across-the-board, and if you do choose to follow the diet, there may be other meals that are more allow to suit your tastes and preferences .

Phase 1

  • Breakfast: 1 cup steel-cut oatmeal topped with 1/4 cup chopped apples and figs
  • Lunch: Quinoa-stuffed turkey roll-up (sub turkey breast for chicken and omit feta); 1 whole orange
  • Dinner: 3-ounce grilled sirloin steak; 1/2 cup spiced brown lentils with brown rice

Phase 2

  • Breakfast: Eggwhite omelet (3 eggs) stuffed with 1 cup kale, 1/2 cup broccoli, and 1/4 cup onion
  • Lunch: Arugula salad topped with 1/2 cup steamed asparagus and 3 ounces of pan-seared cod
  • Dinner: 1/4 pound bison burger served in a collard green wrap (no bun); 1 cup cabbage slaw (omit dairy)

Phase 3

  • Breakfast: 12-ounce smoothie blended with 1 cup berries, 1/4 of an avocado, 1/3 cup shredded coconut meat, 1 tablespoon nut butter, 1 teaspoon chia seeds
  • Lunch: 1 serving of loaded Mediterranean salad with cauliflower tabbouleh (sub olives for feta); 3-ounce fillet grilled or pan-seared salmon
  • Dinner: 4-ounce serving beef liver and onions; 1/2 cup steamed asparagus; 1/2 cup quinoa

Pros and Cons


  • Diet contains lots of healthy fresh fruits, vegetables, lean meats, and wholly grains
  • exercise is strongly commend
  • Different types of exercise are included


  • Diet is complicated to follow
  • Food choice is limited daily
  • program may be unmanageable to follow long-run

As with all diets, the Fast Metabolism Diet has its benefits and drawbacks. Reviewing the pros and cons can help you decide whether this is the right diet plan for your weight personnel casualty goals .


Healthy Foods

The foods included throughout the one-week span of this diet plan surely are part of an overall healthy diet, which calls for lots of fruits and vegetables, tend protein sources, and whole grains. If you take the workweek as a whole, there ‘s sufficient variety to keep you from getting bored, plus enough of variation that should provide you with the vitamins, minerals, and micronutrients your body needs to affair .


The Fast Metabolism Diet recommends rotating between different forms of exercise : aerobic, strength training, and yoga. This is a recommendation that ‘s supported by inquiry since it keeps your overall floor of action improving while allowing specific muscle groups to recover on off days .



Although Pomroy ‘s book is filled with descriptions of how simple the Fast Metabolism Diet is to follow, it ‘s actually reasonably complicated. It can be easy to forget which foods you ‘re supposed to eat ( and avoid ) on which days. Since the most effective weight loss program is one you ‘ll actually stick with, this one might not be ideal for some people. Pomroy does, however, offer an app that helps in meal planning and in keeping the three phases straight .

Limited Choices

While it ‘s possible to strictly limit your regular food options if you ‘re only planning on doing it for a very express time, it ‘s probably not sustainable for most people in the retentive condition. In accession, although the diet may help to introduce you to foods you do n’t normally eat, its regimentation credibly wo n’t help you to develop healthy eating habits that you ‘ll stick with .

Although the Fast Metabolism Diet does include many healthy foods and a dependable, varied exercise plan, it ‘s besides complicated and excessively limiting for most to follow long condition.

Is the Fast Metabolism Diet a Healthy Choice for You ?

The daily food regimen of the Fast Metabolism Diet lacks balance wheel and fails to meet the healthy diet recommendations outlined by the U.S. Department of Agriculture ( USDA ) .

however, there are research-supported ways to ramp up your metabolism without the motivation to restrict food choices. If you learn how many calories you need per day, and then boost your physical activity level, it should boost your metamorphosis equally well .

There ‘s besides a bit of evidence that low-carb diets, such as the Atkins Diet and the South Beach Diet, may actually help to increase your metamorphosis. A 2014 study found that people following a low-carb diet lost more weight than people following a low-fat diet. While this study is n’t authoritative, it does indicate that you might have different choices when it comes to eating plans that potentially increase your metamorphosis. You besides should note, though, that low-carb diets have nutritional issues of their own .

Pomroy has turned the Fast Metabolism Diet into a successful franchise with a companion cookbook and an app. Although there ‘s plenty of data out there purporting to help you speed up your metamorphosis, there are competing diets, some of which have more research behind them .

Health Benefits

The Fast Metabolism diet focuses on eating reasonably healthy foods and promotes exercise, which is integral to long-run health and burden management. Despite the many positive reviews of the Fast Metabolism Diet, there ‘s no robust checkup science behind the theme that this diet plan with its rigorous regimen will actually increase your metabolism .

Health Risks

While there are no common health risks associated with the Fast Metabolism Diet, the rigid rules around the diet are queerly regimented and are not based on skill. In general, eliminating healthy food groups is not share of a balanced diet .

A Word From Verywell

Choosing a system of weights loss broadcast can be confusing. It ‘s easy to buy into the ballyhoo surrounding popular diets, specially if the diet in interrogate is presented with celebrity backing plus hundreds of glowing reviews. The Fast Metabolism Diet might help you to lose weight—lots of people report that it works, at least in the short terminus. But long-run, it wo n’t help you to develop healthy eating habits that will sustain your slant loss beyond that initial feat .

Remember, following a long-run or short-run diet may not be necessity for you and many diets out there simply don ’ t oeuvre, specially long-run. While we do not endorse fad diet trends or unsustainable weight personnel casualty methods, we present the facts so you can make an informed decision that works best for your nutritional needs, genetic blueprint, budget, and goals .

If your goal is system of weights loss, remember that losing weight international relations and security network ’ t inevitably the lapp as being your healthiest self, and there are many other ways to pursue health. exercise, sleep, and other life style factors besides play a major character in your overall health. The best diet is always the one that is balanced and fits your life style .

source :
Category : Healthy