8 Ridiculous Myths Everyone Believes About Their Metabolism

August 5, 2018 | 338 Comments


slow metabolism myths

Most people believe their metabolism to be one of the most screwable parts of their body (yeah yeah, vagina butthole haha, grow up). They believe that all their fitness failures and shortcomings are due to messing up and “slowing down” their metabolism and success is solely determined by having a “good” metabolism.

And in this deceptive world of health and fitness, nothing is more misunderstood than your own metabolism. It’s a trendy word no doubt, but so-called “fitness gurus” and marketers are throwing metabolism around way too much nowadays with absolutely no meaning or substance.

In reality, most of what you believe about your metabolism is a myth, such as…

Eating 6 meals per day will help stoke the metabolic fire

The theory behind this commonly used phrase is that if you eat 6 small meals per day, your metabolism will never slow down since you’re constantly supplying your “metabolic flame” with more fuel and you’ll be able to burn more fat throughout the day.

And this sounds incredibly sexy on paper, but it’s just that, a sexy sounding theory. It’s also a great marketing tool to help companies sell more food.

From a body composition standpoint, there is no difference between eating 6 smaller meals as opposed to 1-3 bigger meals.

The most important thing to do is to watch your total caloric intake for the day. There’s nothing inherently wrong with eating 6 times per day, but there are no real benefits to it either.

Find the best meal frequency for your lifestyle.

Fasting will slow your metabolism down to a crawl

Continuing from my first point, fasting will not slow down your metabolism unless you take it to the extreme and do something crazy like fast for 1 week straight.

If you skip breakfast everyday and don’t eat until 2pm, you’re going to be just fine. Calm down. You could even go up to 72 hours without food as this study states and not damage your metabolism (I don’t recommend this, I’m simply trying to make a point that fasting won’t hurt you).

For a more realistic approach, you could do a Eat Stop Eat style fast 1-2x per week (read my review here).

Your metabolism slows down as you age

Yes, your metabolism does slow down as you age, but the amount is minuscule and the only reason it does slow down is because you tend to lose a tiny bit of muscle mass as you age.

For example, a 60 year old man is never going to have as much muscle mass as a 25 year old man even if they follow the exact same workout and diet plans.

Older people also tend to carry more fat. So the best thing you can do to protect your metabolism as you age is to build a lean and muscular body and maintain it for the rest of your life.

So yes in this case, the saying “If you don’t use it, you lose it” really is true.

Don’t use your age as an excuse to let yourself go. There’s no reason why you can’t be old and still look fucking incredible. As long as you continue to lift weights and eat right, your metabolism will be just fine.

Eating [insert magical food here] will boost your metabolism and burn fat

Okay people, it’s time to put on your common sense hats. If losing weight was simply a matter of eating “magical” foods like chili peppers, cinnamon, green tea, and unicorn blood then nobody would be fat.

It boggles my mind the amount of people who believe that eating specific foods is the secret behind weight loss.

Yes, there are studies showing foods like green tea and hot peppers increase your metabolic rate, but the amount is so ridiculously fucking little that eating these foods will never produce any noticeable results.

I’ve never heard of anyone who has successfully lost weight because they ate more chili peppers or drank more green tea. It’s absolute nonsense. There’s nothing wrong with eating these foods, but please don’t eat them for the sole sake of trying to lose weight.

Unicorn
The chances of losing weight by drinking green tea are as realistic as discovering a Unicorn. Oh wait!

Doing intense workouts (like intervals) boosts your metabolism and burns more calories after the workout

A lot of people these days are doing workouts that are focused around EPOC (excess post-exercise oxygen consumption) or the calories burned after the workout. Some workouts claim that it’s able to significantly boost your metabolism up to the point that you’ll be burning more calories post-workout than the actual workout itself.

And while this sounds great, the calories you burn post-workout aren’t as significant as you think.

In fact, a 2006 study done on EPOC concluded that the majority of calories burned when exercising are burned during the actual exercise itself. Things like high intensity interval training can boost EPOC a tiny bit more than traditional running, but the amount is nothing significant. This is why people are able to get results with slow, steady-state cardio – because the majority of the calories are burned during exercise.

Quick note: Here is a smart cardio routine that really goes in-depth on how to use cardio to get as lean as you desire. 

Gaining muscle will shoot your metabolism though the roof

Muscle tissue is more metabolically active than fat tissue but the extra calories it takes to maintain muscle mass is nothing to write home about. For whatever reason, the media loves to say that gaining one pound of muscle will boost your metabolism by an extra 10-15 calories, with some going as high as 50 calories.

So if you gained an 20 pounds of muscle, your metabolism could technically increase by up to 1000 calories, meaning you would get to eat 1000 extra calories per day just to maintain your weight. Sounds awesome right?

Well… the truth is that gaining 1 pound of muscle will only increase your metabolism by approximately 5 calories. This is why gaining muscle in hopes of increasing your metabolism and losing fat isn’t the smartest thing to do.

Gain muscle to be strong and look awesome, not to boost your metabolism and lose fat.

You can’t lose weight because you have a slow metabolism

Put bluntly, people who claim they can’t lose weight because they have a slow metabolism are simply lazy and ignorant.

These people have become so brainwashed by the media that all their failures are due having a shitty metabolism and that it’s “not their fault” that they can’t lose weight.

But in reality it is their fault.

Try not losing weight on 1000 calories per day.

People who blame their metabolism are people who don’t even bother with tracking their food intake.

These are people who say they got fat after college because they’re getting older and their metabolism isn’t what it used to be. Oh please! I’m sorry buddy, but you’re not fat because your metabolism slowed down, you’re fat because you eat like shit and stopped exercising. Too crude? Perhaps, but with obesity rates skyrocketing, now is not the time to kiss your ass.

Take action. Actually make an effort to track the amount of food going into your mouth. Get your ass to the gym and train with a purpose – lift weights and train with intensity. Do this for a few weeks, and I guarantee your metabolism will magically fix itself.

You can’t gain muscle because you have a fast metabolism

Yes skinny guys have problems too and one of the most common problems they have is that they can’t gain muscle because the believe that their metabolism is too fast.

And it’s true – some guys (especially younger ones) have faster metabolisms, but more often than not, the real reason skinny guys can’t gain muscle is simply because they’re not eating enough consistently.

Skinny guys who say that they eat a lot typically make one or more of the following mistakes:

  • They don’t track calories. Most skinny guys don’t have a very big appetite and stop eating the moment they feel full. If you’re trying to gain weight and you’re simply gauging the amount of food you eat by “hunger” and “how you feel” then you’re not going to make much progress. I suggest all aspiring skinny guys to track their calories. Start by adding 500 calories to your maintenance calories and scale appropriately depending on whether your gain or lose weight.
  • They eat big on occasion, meaning they’ll eat a ridiculous amount of food a couple times per week (and tell everybody they eat a ton and can’t gain weight), probably on weekends but then they’ll go right back to eating like a bird during the week. If you want to grow, you need to eat big consistently.

Some skinny guys really do have fast metabolisms, but that’s not the reason they can’t gain weight. Instead, most skinny guys lack appetite, have no idea on what it truly means to eat a lot, or don’t even make the effort track their calories.

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And if you guys could spread the word and ‘LIKE’ and share this post on Facebook, that would be awesome 🙂

Yes, I’m asking for a shameless ‘LIKE’ but it’s easy and it’ll (maybe) shut up that annoying friend you have that always complains about their metabolism.

What do you guys think? Drop a comment below with the most ridiculous metabolism myths you’ve heard.

338 Comments - Leave Your Thoughts

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  1. Hi,

    Excellent post. As you said, there are a lots of myths related to diet and excessive that people still believe. Ive heard a couple that you may consider to include:

    People that claim that for losing weight, you must get up early in the morning and jog a couple of miles empty stomach (before breakfast). I wont deny that maybe that would accelerate the process of turning fat into energy, but it is pointless if at the end of the day you don’t have a caloric deficit. I got a shocking demonstration of this basic principle when I read the experiment a nutrition professor did: http://edition.cnn.com/2010/HEALTH/11/08/twinkie.diet.professor/

    Diets that doesn’t allow any type of junk food. This kind of diets just make people angry and increase quiting rates. While is true that junk food sometimes provide too many calories in very small portions, you can feel free to eat them as long as you maintain you calorie income inside the limits.

    Believing that diet is more than enough to lose weight and look ripped, and in consequence, cutting too many calories from the diet. Ive seen overweight guys in the office where I work who claim that they just started a diet plan and have dropped an absurdly amount of pounds in a week or month. Is true that sometimes a change in the lifestyle (start a workout plan and eating healthy) can make the body to lose a lot of weight very fast in the first couple of weeks. While part of the weight is fat, another part can be just water o muscle. As you mention in your post, 1 to 2 ponds is the amount of fat that you can safely loose a week, even if it seems painfully slow. Exercise is a great way to determine if you are eating enough calories: if your workout times don’t get better with time, you are probably eating too few calories. After the initial success, people notice that they got ¨stuck¨, because they are not losing those great amounts of pounds anymore, and because they do not excessive, the logic says: ¨Maybe I should eat even less calories¨.

  2. Being a diabetic, I had a hard time all my life losing weight. I recently changed my medication and lowered my blood glucose. Working out on the treadmill never before gave me results. But with the lower blood glucose I have lost 40 lbs in 2 months and I’m finally at the weight I should be. I makes sense that your body wouldn’t burn fat if your blood had all the energy, (sugar), it needs.

  3. Thanks for telling like it is! Too many people spend too much money chasing fitness illusions propagated by people simply looking for profit

    Steven Siemons
    The Senior Health and Fitness Blog

  4. Excellent article Keith. And here’s another reality check: exercise makes you fat. For a free ebook see: www [dot] ExereciseMakesYouFat [dot] com
    Russell Eaton

  5. “Skinny guys who say that they eat a lot typically make one or more of the following mistakes
    – Don’t eat alot, consistently”

    I find this one funny…and plenty true, as well. I feel I can relate to this, when I was younger (or even a few months ago/last year, before I started counting calories). I thought I ate alot, even though it was only sometimes…reminds me of some friends who also do the same and say they eat alot and “don’t get fat”. This kind of thinking, imo, can make someone into a “skinny fat” person. The “I don’t get fat” they really mean “don’t grow an actual gut”, but still pack on the fat slowly.

  6. Fantastic post!!! LOVE THIS PART the best.

    “Put bluntly, people who claim they can’t lose weight because they have a slow metabolism are simply lazy and ignorant.

    These people have become so brainwashed by the media that all their failures are due having a shitty metabolism and that it’s “not their fault” that they can’t lose weight.

    But in reality it is their fault.”

    I don’t believe in blaming anything or anyone for your struggles. You are responsible and can change it.

  7. Very interesting article! My family and I were wondering how metabolism and weight were related. My mother and I are super skinny and don’t intentionally diet, while my father (whose shorter) and my three other brothers who are all about my height 6ft 2 in, all have heavy set builds. My mother always told me it was a skinny gene because her side of the family is thin as opposed to my father’s side who are much bigger. My doctor recently said my bmi was slightly underweight for my age and height I’m 24 years old, 6ft 2 in, and 145 lbs so he had me keep track of my food intake with a journal, measure my steps with a pedometer, and write a rough journal about physical activities daily. After he reviewed my results he said it was nothing to be alarmed about but advised me to keep nutrition bars on me for busy days and too add a protein or nutrition shake to my breakfast. I guess I never assumed my father and brothers ate so much more than me and got less physical activity. I’ll be sure to forward the link to this article for my heavy set family members who think they are genetically bigger than me they’re out of excuses.

  8. I am one of those people who eats only once a day and on a 500-1000 daily diet. I have lost 20 pounds in a month. So, I agree with everything you said………….

  9. Thanks so much for this article – I have just started eating once a day (I have about 40lbs to lose) because this way I get to eat something that doesn’t feel like ‘diet food’ in the evening while keeping a calorie deficit of around 1000 a day. I love it, I don’t miss food at all in the day as I’m busy (I now use my lunch break at work to study) I don’t have to waste time and money making/buying lunch or breakfast and my energy level is through the roof, especially in the afternoon compared to what it used to be. Yet all I get from people is “you’ll damage your metabolism and stop losing weight, then as soon as you eat you’ll gain all this fat back” which has kind of made me doubt myself a little. But not now! I can just show them this and tell them to shut the fuck up 🙂 thank you 🙂

  10. Hi Keith! First of all, thank you soooo much for clearing all my doubts regarding metabolism! I weigh arnd 50kg and my height is 165 cm. I hv recently lost 23kg in 8 months and pretty much satisfied with my body EXCEPT THAT BULGE on my lower belly. Its like I don’t wanna lose anymore body fat from other parts of my body coz that wud just end up in me looking too skinny. Can doing sit ups and crunches, along with following my usual weight loss calorie intake + 30 min elliptic, help me get rid of that annoying bulge? Thanks a lot!!!:)

    1. Ya things like hanging leg raises and dragon flies are great but it’s really about your diet too. Sometimes you just nee to be patient.

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