The CICO (energy in, energy out) method to weight administration is well-liked as a result of it appears easy. Should you devour fewer energy than you burn via train and every day residing, you’ll drop a few pounds (1). Absorb extra energy than you could gasoline your way of life, and also you’ll acquire weight (1). Should you meet your physique’s calorie wants on the nostril, you’ll keep the identical (1).
This straightforward method is efficient for a lot of, however there are a number of CICO myths that may oversimplify issues. These myths would possibly mislead you into considering that weight administration boils right down to a math equation.
On this article, we’ll debunk a few of the most typical misconceptions surrounding CICO and supply a transparent understanding of the way it works so that you could get probably the most from this instrument.
The Delusion: CICO is Easy
One of the widespread CICO myths is that it’s a easy vitality stability equation. The premise is that each one it takes is a calorie surplus or deficit to achieve or drop a few pounds.
The reality: weight reduction is sophisticated
“Whereas the CICO technique is straightforward in idea—eat fewer energy than you burn as a way to drop a few pounds—it isn’t the entire image of how protected and sustainable weight reduction occurs,” says Melissa Jaeger, RD, LD, Head of Diet at MyFitnessPal (1).
Your physique is advanced. Many components, like genetics, age, and hormones, affect physique weight (1). Additionally, each particular person physique processes vitamins from meals a little bit in a different way (2).
In different phrases, your physique isn’t a calculator. Weight reduction is extra than simply energy in, energy out.
The takeaway
Though CICO actually stands for energy in vs. energy out, CICO is simply an off-the-cuff approach of expressing the vitality stability equation (1).
Nevertheless, weight administration isn’t so simple as that. The standard of your meals, your metabolic charge, and particular person variations all affect how your physique manages weight (1, 2). So, does this imply you shouldn’t do a CICO food plan? Not precisely, nevertheless it’s necessary to do not forget that it’s one issue amongst many on the subject of your weight.

The Delusion: You Can Eat No matter You Need as Lengthy as You Keep Inside Your Calorie Restrict
A typical delusion surrounding the CICO method is that each one energy depend the identical approach, whether or not they come from protein, carbs, fat, or processed meals.
This provides you the impression that so long as you persist with your CICO calorie aim, it doesn’t matter what varieties of meals you eat or if you eat them, similar to late at night time.
The reality: there’s much more to it
It’s useful to concentrate on the variety of energy your physique must lose, acquire, or preserve your weight, nonetheless, there’s rather more to it than that (1).
In response to Jaeger, “One draw back of focusing solely on energy in vs. energy out is that it doesn’t educate us the significance of the vitamins in these energy (2).” If you focus solely on the massive image numbers and never the elements that make up these numbers it may be difficult to undertake more healthy habits and honor our our bodies’ starvation and satiety cues throughout our weight reduction journey (2).
If you eat influences weight administration, too. Our our bodies are designed to eat when it’s gentle and quick when it’s darkish. Disruptions to this rhythm can brief circuit your physique’s suggestions indicators and response to meals, leading to a better probability of weight acquire (3).
The takeaway
The standard of your meals and meal timing impacts your starvation and general well being (2, 3). Give attention to consuming high quality meals, similar to protein- and fiber-rich, nutrient-dense meals, and getting most of your meals inside daylight (2, 3).
The Delusion: Reducing 3,500 Energy All the time Equals One Pound of Weight Loss
A longstanding perception is that 3,500 energy is the variety of energy in a pound, so it’s been thought that decreasing your calorie consumption by this a lot will end in a pound of weight reduction.
The reality: weight reduction may be unpredictable
The fact is that our our bodies don’t drop a few pounds in such a predictable approach. Components like metabolism, muscle mass, stress, and genetics affect how your physique responds to calorie deficits (1). As you drop a few pounds, your physique will burn fewer energy, slowing down your progress (4). Mainly, your private consequence is much less easy than the mathematics suggests.
The takeaway
As a substitute of counting on the three,500-calorie rule, concentrate on creating sustainable habits—like consuming filling meals—that assist long-term well being along with weight administration (2).
Non-starchy veggies and protein are a filling duo, so I encourage my shoppers to make a behavior of together with at the very least 20 grams of protein and a half plate of non-starchy veggies at every meal. Bonus: Current analysis means that shedding pounds in a gradual trend is best on your metabolism (5).
In regards to the Specialists
Melissa Jaeger, RD, LD is the Head of Diet for MyFitnessPal. Melissa obtained a Bachelor of Arts in Diet (DPD) from the School of Saint Benedict and accomplished her dietetic internship via Iowa State College. In Might 2024 she was acknowledged because the Registered Younger Dietitian of the Yr awarded by the Minnesota Academy of Diet and Dietetics.
Samantha Cassetty, MS, RD, is a nationally acknowledged meals and vitamin skilled, media character, vitamin marketing consultant, and writer. Cassetty is a former vitamin director for Good Housekeeping and the co-author of the ebook Sugar Shock.
The Delusion: CICO is Simply About Meals and Train
One other widespread false impression is that the CICO method is just about how a lot you eat and the way a lot you train, which can lead you to miss different necessary components that affect weight administration.
The reality: Many different way of life components depend
Whereas meals and train are important elements of weight administration, so, too, are different consuming and way of life behaviors. As an illustration, poor sleep can disrupt hormones that regulate starvation and satiety, resulting in overeating (6). Moreover, excessive stress can improve ranges of cortisol, which can promote fats storage, particularly within the belly space (7).
Your metabolic charge is influenced by components like age, muscle mass, and even sure medical circumstances. All of which means merely slicing energy or rising train could not at all times result in the anticipated outcomes (1).
The takeaway
CICO isn’t just about food plan and train. To realize sustainable weight reduction and general wellness, it’s important to contemplate sleep, stress administration, and food plan high quality (1, 2). That doesn’t imply trying to overtake your whole habits directly. Making some tweaks to your food plan to attain a calorie deficit is a superb first step!
The Delusion: All Energy Are Created Equal
A typical perception is {that a} calorie is a calorie, no matter its supply—whether or not these energy come from strawberries or strawberry ice cream.
The reality: The standard of your energy performs a job in weight administration (2)
Living proof: A small, well-designed 2019 examine in contrast calorie consumption and weight acquire on an ultra-processed meals food plan to a minimally processed food plan. Individuals adopted one food plan after which switched to the other food plan after a washout interval–the time between the 2 diets when there’s no prescribed consuming plan (2).
Though the meals offered to each teams had the identical quantities of energy, fats, sugar, fiber, carbs, and protein, members on the ultra-processed food plan consumed about 500 extra energy per day than these on the minimally processed food plan.
The processed meals group gained a median of two kilos through the two-week interval. Nevertheless, these similar people misplaced the identical quantity of weight (about two kilos) on the much less processed food plan over two weeks following that consuming sample.
The takeaway
Meals high quality is a crucial a part of the load loss equation. Jaeger suggests utilizing MyFitnessPal that can assist you select nutritious meals for weight administration. “Monitoring with MyFitnessPal can assist you not solely determine your whole every day energy for weight reduction, but in addition key vitamins, similar to protein, fiber, and saturated fats, to assist your well being and health targets.”

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The Delusion: CICO Is the Identical as “Eat Much less, Transfer Extra”
CICO stands for energy in, energy out, so it’s simple to know why many individuals suppose it boils right down to consuming much less and shifting extra.
The reality: There’s extra nuance
Whereas energy and motion are a part of your vitality stability equation, there’s extra to it than that. (1) Different components, similar to your weight historical past, genetics, muscle mass, sleep patterns, stress, and age can have an effect on your weight (1).
The takeaway
Consider energy in, energy out (AKA eat much less, transfer extra) as an off-the-cuff approach of expressing the vitality stability equation as a substitute of the end-all be-all for weight administration (1).
The Delusion: Counting Energy is Vital for CICO
Provided that CICO stands for energy in, energy out, many individuals suppose that counting energy is a compulsory a part of following the CICO method to weight administration.
The reality: Although useful, it’s not strictly vital
Research present that being conscious of your meals high quality and consuming habits (similar to portion management and consuming mindfully) can nonetheless result in weight administration with out monitoring each single calorie (8, 9).
Nevertheless, calorie counting can present construction and consciousness, and a 2021 examine discovered that individuals are extra profitable with weight reduction utilizing monitoring instruments, together with diet-tracking instruments like MyFitnessPal (10).
The takeaway
Whereas calorie counting may be useful, it’s not the one path to success with CICO (8, 9). Conscious consuming, portion management, and specializing in the standard of your food plan are further methods that can assist you obtain your targets with out strict monitoring (8, 9). Although, MyFitnessPals’s new Premium voice logging function makes monitoring meals—and energy—sooner than earlier than within the app.
CICO Works the Identical for Everybody
The parable
A typical CICO delusion is that everybody will lose or acquire weight on the similar charge in the event that they observe the identical caloric deficit or surplus. In different phrases, individuals mistakenly imagine that it’s all in regards to the numbers.
The reality: Everyone seems to be totally different
In actuality, CICO doesn’t account for particular person variations in metabolism, genetics, muscle mass, sleep patterns, and stress, all of which might considerably affect your weight (1).
As an illustration, in case you have a gradual metabolism and are over 50, you’ll seemingly have totally different outcomes from somebody with a quick metabolism who’s 25, even in the event you’re adhering to the identical caloric deficit or surplus (1).
Key takeaway
CICO is usually a useful framework, nevertheless it’s considered one of many components that affect your physique weight. So it’s useful to tailor your weight reduction method to your wants and circumstances (1).
Ceaselessly Requested Questions (FAQs)
Are you able to out-exercise your food plan?
A sweaty train sesh feels powerful, so that you would possibly suppose it may possibly counter the injury from an unhealthy food plan. However this merely isn’t true. Analysis exhibits that train alone doesn’t promote vital weight reduction (10, 11). Plus, a food plan stuffed with saturated fats, sodium, and extreme sugar can undermine your well being (12). Train is a health-promoting exercise, and there are many causes to take part in it repeatedly–together with assist with weight upkeep–however it may possibly’t outdo an unhealthy consuming sample (11).
Can CICO be used for something aside from weight reduction?
CICO is a method to categorical the vitality stability equation, so it may be used for weight reduction, weight acquire, or weight upkeep (13).
Do you at all times have to be in a calorie deficit for CICO to work?
There are numerous components concerned in weight reduction. Except for a calorie deficit, the standard of meals you eat, entry to meals, hormones, genetics, stress, and sleep patterns all play a job (1).Moreover, you’ll want an vitality surplus for CICO to work for weight acquire (13). Should you’re attempting to keep up your weight, you’ll want roughly the identical variety of energy in vs. energy out (13).
Does meal timing matter with CICO?
Whereas calorie stability is a think about weight administration, meal timing can affect starvation, vitality ranges, and metabolism (3). Consuming irregularly or skipping meals can result in overeating later within the day, which makes it more durable to keep up a calorie deficit or stability. Moreover, consuming at constant occasions—particularly earlier within the day—can assist regulate blood sugar ranges and assist a wholesome metabolism, as your physique processes meals extra effectively if you’re lively (14).
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