The CICO (energy in, energy out) strategy to weight administration is standard as a result of it appears easy. In case you devour fewer energy than you burn by train and every day dwelling, you’ll drop some weight (1). Absorb extra energy than it’s worthwhile to gas your life-style, and also you’ll achieve weight (1). In case you meet your physique’s calorie wants on the nostril, you’ll keep the identical (1).
This easy strategy is efficient for a lot of, however there are a number of CICO myths that may oversimplify issues. These myths may mislead you into considering that weight administration boils all the way 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 to be able to get probably the most from this software.
The Fantasy: CICO is Easy
Probably the most frequent CICO myths is that it’s a easy vitality stability equation. The premise is that every one it takes is a calorie surplus or deficit to achieve or drop some weight.
The reality: weight reduction is difficult
“Whereas the CICO methodology is easy in idea—eat fewer energy than you burn with a purpose to drop some weight—it isn’t the entire image of how secure and sustainable weight reduction occurs,” says Melissa Jaeger, RD, LD, Head of Diet at MyFitnessPal (1).
Your physique is complicated. Many components, like genetics, age, and hormones, impression physique weight (1). Additionally, each particular person physique processes vitamins from meals a bit of in another 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 a casual approach of expressing the vitality stability equation (1).
Nevertheless, weight administration isn’t so simple as that. The standard of your meals, your metabolic price, and particular person variations all affect how your physique manages weight (1, 2). So, does this imply you shouldn’t do a CICO weight loss program? Not precisely, nevertheless it’s necessary to do not forget that it’s one issue amongst many on the subject of your weight.

The Fantasy: You Can Eat No matter You Need as Lengthy as You Keep Inside Your Calorie Restrict
A typical fable surrounding the CICO strategy is that every one energy depend the identical approach, whether or not they come from protein, carbs, fat, or processed meals.
This offers you the impression that so long as you follow your CICO calorie purpose, it doesn’t matter what varieties of meals you eat or while 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, achieve, or keep your weight, nevertheless, there’s way more to it than that (1).
In line with Jaeger, “One draw back of focusing solely on energy in vs. energy out is that it doesn’t train us the significance of the vitamins in these energy (2).” Whenever you focus solely on the massive image numbers and never the parts 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).
When you eat influences weight administration, too. Our our bodies are designed to eat when it’s mild 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 likelihood of weight achieve (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 sunlight hours (2, 3).
The Fantasy: Slicing 3,500 Energy At all times 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 might be unpredictable
The truth is that our our bodies don’t drop some weight in such a predictable approach. Components like metabolism, muscle mass, stress, and genetics impression how your physique responds to calorie deficits (1). As you drop some weight, your physique will burn fewer energy, slowing down your progress (4). Principally, your private consequence is much less easy than the maths suggests.
The takeaway
As an alternative 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 purchasers to make a behavior of together with a minimum of 20 grams of protein and a half plate of non-starchy veggies at every meal. Bonus: Latest analysis means that dropping pounds in a gradual style is healthier to your metabolism (5).
In regards to the Consultants
Melissa Jaeger, RD, LD is the Head of Diet for MyFitnessPal. Melissa acquired a Bachelor of Arts in Diet (DPD) from the Faculty of Saint Benedict and accomplished her dietetic internship by Iowa State College. In Could 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 diet professional, media character, diet advisor, and creator. Cassetty is a former diet director for Good Housekeeping and the co-author of the e-book Sugar Shock.
The Fantasy: CICO is Simply About Meals and Train
One other frequent false impression is that the CICO strategy is barely 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 life-style components depend
Whereas meals and train are important parts of weight administration, so, too, are different consuming and life-style behaviors. For example, poor sleep can disrupt hormones that regulate starvation and satiety, resulting in overeating (6). Moreover, excessive stress can enhance ranges of cortisol, which can promote fats storage, particularly within the stomach space (7).
Your metabolic price is influenced by components like age, muscle mass, and even sure medical situations. All of which means that merely chopping energy or growing train might not at all times result in the anticipated outcomes (1).
The takeaway
CICO isn’t just about weight loss program and train. To realize sustainable weight reduction and general wellness, it’s important to contemplate sleep, stress administration, and weight loss program high quality (1, 2). That doesn’t imply making an attempt to overtake all your habits without delay. Making some tweaks to your weight loss program to attain a calorie deficit is a good first step!
The Fantasy: 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 task in weight administration (2)
Living proof: A small, well-designed 2019 research in contrast calorie consumption and weight achieve on an ultra-processed meals weight loss program to a minimally processed weight loss program. Folks adopted one weight loss program after which switched to the alternative weight loss program after a washout interval–the time between the 2 diets when there’s no prescribed consuming plan (2).
Although the meals offered to each teams had the identical quantities of energy, fats, sugar, fiber, carbs, and protein, individuals on the ultra-processed weight loss program consumed about 500 extra energy per day than these on the minimally processed weight loss program.
The processed meals group gained a median of two kilos through the two-week interval. Nevertheless, these identical people misplaced the identical quantity of weight (about two kilos) on the much less processed weight loss program over two weeks following that consuming sample.
The takeaway
Meals high quality is a crucial a part of the burden loss equation. Jaeger suggests utilizing MyFitnessPal that can assist you select nutritious meals for weight administration. “Tracking with MyFitnessPal will help you not solely determine your complete 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 Fantasy: CICO Is the Similar as “Eat Much less, Transfer Extra”
CICO stands for energy in, energy out, so it’s simple to know why many individuals assume it boils all the way down to consuming much less and transferring 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 a casual approach of expressing the vitality stability equation as a substitute of the end-all be-all for weight administration (1).
The Fantasy: Counting Energy is Crucial for CICO
On condition that CICO stands for energy in, energy out, many individuals assume that counting energy is a compulsory a part of following the CICO strategy to weight administration.
The reality: Although useful, it’s not strictly needed
Research present that being aware 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 research 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 might 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 weight loss program are extra methods that can assist you obtain your targets with out strict monitoring (8, 9). Although, MyFitnessPals’s new Premium voice logging feature makes monitoring meals—and energy—sooner than earlier than within the app.
CICO Works the Similar for Everybody
The parable
A typical CICO fable is that everybody will lose or achieve weight on the identical price in the event that they observe the identical caloric deficit or surplus. In different phrases, individuals mistakenly imagine that it’s all concerning 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).
For example, if in case you have a gradual metabolism and are over 50, you’ll probably have totally different outcomes from somebody with a quick metabolism who’s 25, even when you’re adhering to the identical caloric deficit or surplus (1).
Key takeaway
CICO generally is 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 strategy to your wants and circumstances (1).
Incessantly Requested Questions (FAQs)
Are you able to out-exercise your weight loss program?
A sweaty train sesh feels powerful, so that you may assume it could possibly counter the injury from an unhealthy weight loss program. However this merely isn’t true. Analysis exhibits that train alone doesn’t promote important weight reduction (10, 11).
Plus, a weight loss program filled 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 frequently–together with assist with weight upkeep–however it could possibly’t outdo an unhealthy consuming sample (11).
Can CICO be used for something aside from weight reduction?
CICO is a option to specific the vitality stability equation, so it may be used for weight reduction, weight achieve, 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. Other than a calorie deficit, the standard of meals you eat, entry to meals, hormones, genetics, stress, and sleep patterns all play a task (1).
Moreover, you’ll want an vitality surplus for CICO to work for weight achieve (13). In case 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 tougher to keep up a calorie deficit or stability.
Moreover, consuming at constant instances—particularly earlier within the day—will help regulate blood sugar ranges and assist a wholesome metabolism, as your physique processes meals extra effectively while you’re energetic (14).
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