An RD Explains Why Eating Fat Doesn’t Make You Gain Weight

Registered dietitian Jessica Bippen, MS, RD explains as soon as and for all why maintaining a healthy diet fats gained’t make you achieve weight. Read on to study why your physique wants fats, the several types of wholesome fat, and one unhealthy sort of fats you must keep away from.

It’s time to bust this fable as soon as and for all: Eating fats doesn’t make you achieve weight. Yes, you heard that proper. Dietary fats doesn’t make you achieve weight!

This outdated thought began within the 1960-70s, then grew to become the craze of the 1990s when low-fat meals have been worshiped. From low-fat ice cream and crackers to low-fat peanut butter, these meals formed the way in which individuals ate and thought of meals for years to come back.

While extra persons are embracing wholesome fat of their food plan, for some there’s nonetheless worry and confusion round this important macronutrient.

Why your physique wants wholesome fat

Fats are one of many important macronutrients together with carbohydrates and protein. You want a certain quantity of every of those macronutrients each day to ensure that your physique to perform optimally. Again, your physique wants fats. Fat is your buddy! It helps promote cell progress, hormone manufacturing, and protects your important organs.

Here are 4 extra vital advantages of dietary fats:


Dietary fats incorporates 9 energy per gram, making it extra calorie-dense than protein and carbs. However, it’s not a nasty factor! Fat supplies your physique with power with out spiking insulin manufacturing.


Contrary to the widespread perception that fats makes you fats, it’s really the other! The reality is that maintaining a healthy diet fats may also help you burn fats by boosting your metabolism and serving to break down saved fats.


Healthy fat additionally preserve you feeling glad. Why? They take extra time to digest than carbohydrates. This will increase your satiety and retains you feeling fuller for longer. Think about consuming a bag of pretzels versus a handful of nuts. The pretzels will go away you hungry an hour later, whereas the nuts maintain you over. In addition, fat additionally make meals style higher.

vitamin absorption

Another primary function of dietary fats is to assist your physique soak up fat-soluble nutritional vitamins A, D, E and Okay. For occasion, a giant bowl of salad greens is stuffed with vitamin Okay. However, to be able to soak up the vitamin Okay, you should embrace a wholesome fats like avocado, nuts, seeds, or an oil-based salad dressing.

The science behind weight and wholesome fat

We can’t speak about wholesome fat with out their connection to weight. Despite all the favored low-fat diets—and on the opposite excessive, the high-fat diets like keto—you want roughly 30 % of your energy to come back from wholesome fat to advertise well being.

In regards to weight reduction, there’s nonetheless a lot debate over what food plan is greatest for weight reduction. This is as a result of laboratory research can’t account for most of the inner and exterior components that decide weight. However, there’s extra compelling analysis exhibiting that high-fat Mediterranean-style diets result in a larger discount in physique weight and stomach fats in comparison with conventional diets.

Still, most individuals don’t weight as a result of they eat an excessive amount of wholesome fats. The drawback happens when you’ve an excessive amount of of any type of power, which means you’re over-consuming energy.

The similar is true if you eat an excessive amount of fats coupled with sugars and processed carbs. It’s not the fats itself that causes weight achieve however moderately the mixture of fats and sugar in ultra-processed meals that influences your metabolism in a destructive manner.

Avocado toast as an example of a healthy fat to eat

Types of Healthy Fats

With all this speak about fats, it’s vital to say that not all fat are created equal. The sort of fats you eat issues. When selecting wholesome fat, it’s greatest to deal with monounsaturated fat and polyunsaturated fat (particularly omega-3s) from whole-food sources.

Healthy Sources of Monounsaturated Fat

  • Olives
  • Olive oil
  • Avocado
  • Nuts
  • Seeds

Healthy Sources of Polyunsaturated Fat

  • Fatty fish (tuna and salmon)
  • Walnuts
  • Flax seeds
  • Chia seeds
  • Hemp seeds

It’s greatest to scale back the quantity of processed polyunsaturated fat within the type of vegetable oils like canola, sunflower, and safflower, that are made up of principally omega-6 fatty acids. While omega-6s are a obligatory a part of a nutritious diet, most individuals devour far more than the best ratio of three:1 omega-6s to omega-Three because of the widespread use of vegetable oils in processed meals and eating places.

Are Saturated Fats wholesome?

Saturated fat, like these in coconut oil and butter, are a bit of tougher to deal with. Research beforehand linked saturated fat to an elevated danger of coronary heart illness and stroke. However, newer analysis exhibits that this discovering will not be as correct as we as soon as thought. Many of the research on saturated fats usually have a look at individuals consuming as a part of an unhealthy food plan stuffed with refined carbohydrates and sugar whereas missing veggies and fiber. In normal, this consuming fashion is linked to poor well being outcomes, thus making the analysis inconclusive.

When selecting saturated fat, moderation is vital! Adding coconut oil or grass-fed butter to a sauté pan may be a part of a wholesome low-sugar, whole-food food plan—nevertheless it’s greatest to not overdo it.

you must Avoid trans fat

Finally, there are trans fat. These manufactured fat are made by including hydrogen to liquid vegetable oils to make them extra shelf-stable. It’s greatest to keep away from these fat in any respect prices. They do nothing on your well being, and analysis exhibits they’re extremely inflammatory and linked to quite a few well being situations.

The Bottom Line

You don’t have to worry fats! Eating wholesome fat doesn’t result in weight achieve. But that doesn’t imply it’s a must to go to the opposite excessive and undertake the keto food plan. A average quantity of wholesome fat are wanted on your physique to perform optimally. They’ll additionally make it easier to soak up the fat-soluble nutritional vitamins, assist preserve you glad, and burn extra fats in your physique!

So subsequent time you’re making a fast meal or snack, ensure you’re including a bit of wholesome fats. Simple examples embrace including an oil-based dressing to a salad and sprinkling hemp seeds on a quinoa bowl. You also can attain for mini-meal faves akin to coconut yogurt and blueberries or smashed avocado on toast.

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