5 Foods That Destroy Your Metabolism

This Evidence Based article was written by

These foods absolutely kill your metabolism and will make you gain weight.

Keeping your metabolism in high gear works wonders on the way you feel and keeps you fit and trim. Avoiding foods that slow down your metabolism is just as important as eating foods that rev it up. These foods are classic culprits of a slower-than-desired metabolism.


1. Donuts

Homer Simpson is a perfect example of someone whose metabolism has gone south, and his eating habits are a tipoff as to what causes it. His favorite sweet treat is a donut, and donuts have the one-two punch of being made from flour and containing copious amounts of sugar.

As if this weren’t enough to send your metabolism packing, they are often deep-fried in oil that is not a natural oil, which pretty much makes your metabolism wonder what you’re doing to it.

A Better Choice: Baked donuts may be an option, especially if they’re made with a healthier flour choice like almond flour or coconut flour, which provide extra fiber and will help speed up your metabolism rather than slow it down.


2. Pasta

You know that sleepy post-pasta food coma you find yourself in after a big bowl of it? That’s the feeling of your metabolism taking a hit. Pasta not only packs on the pounds but can really do a number on your metabolism.

Pasta is made from flour, and most times the flour it’s made from is not helping you out nutritionally. Pasta can cause a spike in your blood sugar, and makes you lethargic after a meal, making you less likely to exercise which will have a negative effect on your metabolism.

A Better Choice: Instead of conventional pasta, switch to whole wheat pasta, or better yet swap it out for a vegetable-turned-pasta. Spaghetti squash is a popular choice, or you can use a spiralizer to turn zucchini into a pasta-like dish.

soda slows metabolism

3. Colas

The caffeine in colas and other carbonated beverages might give you a surge of alertness, but in the long run it stands a big chance of shooting down your metabolism.

The High Fructose Corn Syrup is going to make it so you have an easier time of gaining weight, and a tougher time of losing it. It’s also wildly addictive, and makes it harder to kick these drinks to the curb. It’s found in nearly every soft drink on the market, and it’s just one of the many sugars these drinks contain that will wreak havoc on your metabolism.

A Better Choice: There’s really no substitute for clean, pure water when it comes to your metabolism. It will help flush out excess sodium, and hydrates your internal organs so they function better.

whole milk

4. Whole Milk

Drink a glass of whole milk thinking that you’ve just “done the body good” and you may have taken a step at slowing your metabolism down.

Remember that milk is fortified with vitamins because the processing that it goes through kills off important nutrients. That means you’re not really getting naturally occurring vitamins and minerals, but rather industrial grade synthetic vitamins and minerals manufactured by the food industry. Aside from it being the milk of another species, there’s really nothing natural for the human body in a glass of conventionally manufactured and fortified milk.

A Better Choice: If you must drink milk, try making the switch to a vegan milk. Also drink organic dairy products so you miss out on the antibiotics and hormones in conventional dairy.

fast food

5. Fast Food

It’s no secret that fast food has a negative impact on your health, and one of the reasons is because it can slow down your metabolism. There’s MSG in almost all fast food, which makes the food taste really good, and gets you to want more and more of it.

French fries are one choice that will take a toll on your metabolism, both because its made from conventional GMO potatoes, and because they’re deep fried in GMO-laden oils. The beef used at every fast food restaurant is mass produced, and there may be bits of dozens of cows in one burger. This increases the chances of getting sick from it, and you’re basically guaranteed to ingest antibiotics and growth hormones given to the cows to keep them from catching colds and to grow faster.

A Better Choice: The opposite of fast food isn’t slow food, it’s fresh vegetables and fruits and lean meat and protein sources. Don’t think they taste as good as fast food? Try eating them for a month straight without eating any fast food. You’ll find you crave these healthy foods and have no more desire for the fast stuff.

Users Comments:

  • Jen

    Whole milk and pasta do not destroy your metabolism!!!

  • Emily

    #5 is really easy to make better at home with fresh ingredients, humanely sourced, and much better for you. And if you know you have a penchant for fast food, you can do most of the home prep work the night before and have everything ready for the next day.

  • Sarah

    I have to disagree with the milk…yes, either don’t drink it, but if you are, whole milk IS the better choice. Whole and skim milk have the exact same vitamin and minerals, but that milk fat isn t bad for you. When the fat is taken out of skim milk, the colour is an off-putting grey, so they add colourant (paint, essentially) to make it palatable looking.

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