
What Is The CICO Diet? The Simplest Approach To Weight Loss Explained
Energy In, Energy Out—aka, “CICO”—is a buzzword anyplace individuals discuss their weight reduction journeys today.
However not like another stylish diets, CICO is nothing new. It’s a conventional method to weight administration that comes right down to this: Should you eat fewer energy than you burn, you’ll drop some pounds (1).
Energy are the unit of vitality your physique makes use of for gas. The CICO technique hinges, partly, on the concept that having a 3,500 calorie deficit is the equal to shedding a pound. Theoretically, if you happen to create a caloric deficit, you’ll drop some pounds (1).
CICO is straightforward to follow (particularly with a calorie monitoring device like Lifenza!) so it has gained momentum just lately by way of on-line communities and social media. Let’s do a deep dive into how the CICO food plan works and tips on how to make it be just right for you.
What’s CICO? (Energy In, Energy Out)
The CICO food plan is brief for energy in, energy out, and it’s a easy idea primarily based on the precept of vitality steadiness.
The thought is that if you happen to eat fewer energy (energy in) than your physique burns (energy out), you’ll drop some pounds.
On the flip facet, if you happen to eat extra energy than you burn, you’ll acquire weight. And if you happen to match the energy you absorb with the energy you burn, you’ll keep your present weight (1).
How It Works
CICO doesn’t prohibit particular meals or macronutrients like different diets, equivalent to keto or paleo. As an alternative, it emphasizes calorie monitoring (1).
We’ll undergo tips on how to decide your caloric wants and get one of the best outcomes with this weight administration technique.
Understanding caloric consumption and expenditure
On the coronary heart of CICO is the steadiness between caloric consumption—AKA the energy you eat from every thing you eat and drink—and caloric expenditure, or energy out. These are the energy your physique makes use of to gas every thing from respiratory to operating a marathon (1).
Daily, your physique burns energy simply to remain alive. Your basal metabolic price (BMR) is the variety of energy your physique makes use of to carry out these each day capabilities (1). (You’ll discover ways to calculate this beneath.)
The quantity of muscle you will have performs a job in your metabolism as a result of muscle tissue is metabolically lively—it burns energy at relaxation (6).
One other consider your metabolism is your physique dimension. Bigger our bodies require extra energy to take care of their dimension, which suggests additionally they burn extra energy (6). As you drop some pounds, your physique’s caloric wants change, so that you’ll require fewer energy. Throughout a weight reduction journey, you’ll must recalculate your BMR on occasion if you wish to keep a calorie deficit (7).
Exterior of your BMR, further energy are burned by way of bodily exercise, together with train, strolling, and even chores like cleansing and cooking. That is the a part of your caloric expenditure that you’ve got probably the most management over (6).
Calculating basal metabolic price (BMR)
A key step in utilizing CICO is calculating your basal metabolic price (BMR), which tells you what number of energy your physique wants to remain alive (6). Understanding your BMR helps you establish your each day caloric wants and provides you a baseline for monitoring your consumption and setting targets (8).
You should utilize Lifenza BMR Calculator to simply calculate your BMR. This calculator relies on the Mifflin – St. Jeor equations and it takes your age, top, weight, and gender to supply an estimate of what number of energy your physique burns at relaxation.
As soon as you already know your BMR, you may add the energy you sometimes burn in your each day actions to seek out your whole each day vitality expenditure. That’s a extra correct reflection of your caloric wants than your BMR.
The significance of monitoring energy
Calorie monitoring is the spine of the CICO technique, and analysis suggests it’s additionally a vital a part of weight reduction success (9).
For example, a 2017 examine inspired a small group of contributors to maintain meals and train diaries whereas additionally guiding them to make wholesome meals decisions. Contributors had been additionally instructed to weigh themselves no less than weekly (9).
What the researchers discovered is that individuals who tracked extra religiously had been extra profitable at sustaining weight reduction in comparison with uncommon and inconsistent trackers whose weight tended to fluctuate extra. The much less constant trackers misplaced weight over the summer season however gained it over the vacations (9).
This examine means that utilizing instruments like Lifenza for calorie monitoring, preserving a weight log, and assessing your food plan high quality may be very useful.
By logging what you eat and drink, you acquire consciousness of your consuming patterns and may higher management portion sizes and meals decisions. Plus, this degree of accountability helps keep consistency, which is essential for long-term success.
Why CICO Issues for Weight Administration
Understanding CICO is essential for weight administration, it doesn’t matter what food plan you select (10). Whether or not you’re following a vegan food plan, a paleo food plan, or a Mediterranean food plan, it is advisable to produce a calorie deficit in an effort to drop some pounds.
The identical holds true if you happen to’re attempting to achieve weight. With a purpose to do that, you’ll must calculate your present calorie wants after which determine how a lot so as to add to create the calorie surplus wanted for weight acquire (10).
Selecting the best calorie degree to your purpose is essential to creating CICO be just right for you. Should you’re attempting to drop some pounds, it’s possible you’ll be tempted to set a really low-calorie purpose, however this isn’t suggested. Going too low can put your physique in hunger mode, which can stall weight reduction (11). In fact, weight administration is extra sophisticated than the CICO technique implies, but it surely’s a useful device nonetheless (7).
Knowledgeable Opinions

Consultants at Lifenza have some ideas that can assist you take advantage of out of the CICO technique so to attain your targets. Stephanie Nelson, RD, Lifenza’s Lead Scientist, has a cautionary story that’s value repeating: Don’t set your calorie targets too low.
“The extra you restrict your calorie consumption, the more durable your journey turns into and the extra probably you’re to stop earlier than your purpose. Lifenza knowledge exhibits that customers with the minimal each day calorie purpose stop their weight reduction journeys before these with extra beneficiant each day calorie targets,” she explains.
Nelson says it’s extra sustainable to take a slower method to weight reduction as a result of you find yourself making modifications you can sustain for the long run.
“Moderately than focusing solely on numbers, give attention to smaller habits modifications you may make,” she provides. Some examples of small modifications might contain including extra veggies to your dinner or consuming extra protein at breakfast.

In the meantime, Melissa Jaeger, RD, LD, Lifenza Head of Vitamin, provides this reminder: “Whereas the CICO technique is straightforward in idea, it isn’t the entire image of how secure and sustainable weight reduction happens.”
For wholesome weight reduction, it’s additionally essential to think about the standard of your food plan as some meals are extra filling whereas others, equivalent to closely processed meals, are simpler to overeat. Jaeger says that 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.
That is the place Lifenza can assist as a result of you may see each the energy—and the nutrient breakdown of these energy. That info can assist empower you to make extra nourishing choices over time.
CICO Well being Advantages
A serious good thing about the CICO food plan is how easy and versatile it’s. There’s no checklist of forbidden meals or an intensive variety of guidelines to comply with. You’re much less prone to really feel overwhelmed by a whole food plan overhaul.
As an alternative, the CICO technique lets you make gradual modifications to your food plan whereas prompting you to remain inside your calorie wants, whether or not that’s for weight reduction, acquire, or upkeep (10).
If the CICO food plan helps you attain a more healthy weight, you may count on the well being perks that come together with that.
Listed here are a few of these research-backed advantages (12):
- Shedding a small quantity of weight—simply 5%—has been related to higher glucose management and triglyceride ranges.
- For each 2.2 kilos of weight reduction amongst individuals who had glucose intolerance—placing them liable to diabetes—there was a 16% decrease danger of progressing to sort 2 diabetes.
- Modest weight reduction can result in enhancements in blood stress and HDL levels of cholesterol. These enhancements translate to a decrease danger of coronary heart illness.
- Enhancements in knee perform and ache amongst these with osteoarthritis
- A discount of fats within the liver
- Higher ovulatory perform and chance of being pregnant amongst ladies with PCOS.
Potential Dangers & Drawbacks
One downside to the CICO technique is the temptation to drastically minimize your energy to advertise sooner weight reduction (11). This could really backfire as a result of your physique will assume it’s ravenous, so your metabolism could decelerate, stalling weight reduction. It may possibly additionally result in different unhealthy penalties, like a discount in coronary heart muscle dimension, weakened bones, and impaired immune perform (11).

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Additionally, since calorie counting is the essence of the CICO technique, it’s possible you’ll ignore the standard of the meals you eat. And in case your food plan is excessive in unhealthy meals and low in nutrient-dense meals, it’s possible you’ll be liable to lacking the vitamins you want and well being issues stemming from an unhealthy food plan (13).
In fact, there’s additionally the truth that weight administration is extra sophisticated than energy in, energy out. Your physique may be very complicated, and the CICO technique ignores different elements, like age, genetics, and hormones, that come into play (7).
Calorie monitoring can be dangerous for sure individuals. Pregnant and breastfeeding ladies are amongst people who ought to keep away from the CICO food plan for weight reduction except suggested by a healthcare skilled (15, 16, 17).
The best way to Do the CICO Food plan
If you wish to comply with the CICO food plan, you’ll must discover ways to monitor energy. Listed here are some suggestions.
Utilizing meals journals and apps
Lifenza is a straightforward technique to monitor energy and vitamin. You may also monitor your water consumption and sync your sleep knowledge with Lifenza, permitting you to learn the way meals impacts your sleep high quality and the way your sleep impacts your urge for food and meals decisions.
The app makes it straightforward to enter meals you eat on repeat (be taught concerning the latest Voice Log function!). In fact, you should utilize a easy notepad or spreadsheet to log your meals and monitor energy and weight, however that is rather more cumbersome than an app.
Calculate caloric wants
To get began with calorie monitoring, you’ll first must calculate your caloric wants (18). You should utilize a Basal Metabolic Price Calculator to estimate your BMR after which consider your exercise degree from there.
As soon as you establish your caloric wants and targets, you should utilize Lifenza to trace your calorie consumption. You may set vitamin and health targets and monitor your progress, and you can even check out your calorie consumption by day and by week.
Monitoring is a vital step in assembly your targets, and the way incessantly you utilize the app could also be associated to your success. A 2019 examine discovered that when contributors bought the cling of it, monitoring took simply quarter-hour a day, and that those that recorded their consumption no less than twice a day had larger weight reduction success than those that weren’t as constant (2).
The best way to Create a Caloric Deficit for Weight Loss
Listed here are the fundamentals of utilizing CICO for weight reduction:
- Deal with small, manageable modifications, like swapping soda for water.
- When deciding the quantity of calorie deficit you’re aiming for, take your exercise degree into consideration (8, 20).
- Select nutritious and satisfying meals like non-starchy greens and lean protein (3, 18).
- Measure portion sizes, particularly high-calorie meals like nuts and cheese (19).
- Monitor what you eat and the energy you eat (you should utilize an app like Lifenza to assist together with your monitoring)
Don’t Mechanically Eat All Your Workout routines Energy
One of many greatest errors I see amongst individuals on a weight reduction journey is consuming again train energy.
Whereas useful, common train doesn’t burn fairly as many energy as you—or your wearables—might imagine. Plus, train could make you hungrier, so it’s possible you’ll naturally be consuming somewhat extra on days you’re employed out with out realizing it (21).
Then, if you happen to additionally determine to make use of train as a motive to splurge or select to attempt to eat again all of the energy you burned, it’s possible you’ll wind up consuming greater than your calorie wants for weight reduction and stall your progress.

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Sustaining Power Steadiness for Weight Upkeep
In case your purpose is to take care of your weight, you’ll must match your calorie consumption to the energy you burn every day (10).
Discovering Your Upkeep Stage
Whether or not you’ve simply misplaced weight or are attempting to take care of your weight as you undergo life, you should utilize the CICO food plan and a calorie monitoring app like Lifenza to assist. Weight upkeep boils right down to consuming the identical quantity of energy as you spend, however since it is a simplistic components, it could take somewhat trial and error (10).
One nice function of Lifenza is the flexibility to trace your weight alongside together with your food plan and calorie consumption. That provides you with a way of your weight traits, so you may decide the best degree of energy wanted for weight upkeep.
In upkeep, use your starvation and fullness cues to eat meals in quantities that match your urge for food. Proceed to trace your energy and do your finest to remain inside your wants, however don’t override your physique’s alerts.
It helps to decide on fiber- and protein-rich meals, which do a greater job of controlling starvation whereas managing calorie consumption (3).

The significance of continued counting energy throughout upkeep
Research recommend that as much as 80% of people that drop some pounds go on to regain it inside a 5 12 months interval (22). That makes counting energy throughout weight upkeep a vital a part of preserving weight off.
Should you’ve misplaced weight, you’ll want fewer energy to take care of your smaller physique dimension than you probably did to take care of a bigger physique weight. Holding monitor of what and the way a lot you’re consuming can assist you keep the vitality steadiness wanted for weight upkeep.
Frequent meals monitoring and weighing your self have been tied to weight upkeep success (22).
CICO for Completely different Diets and Life
The CICO mannequin may be useful it doesn’t matter what sort of food plan you’re following. Listed here are some methods the CICO food plan can assist you on numerous diets (11).
CICO and Low-Carb Diets
The fact is {that a} calorie deficit is the spine of weight reduction, so calorie monitoring can assist you establish whether or not you’re reaching that deficit no matter food plan you comply with, together with low-carb or keto food plan (11).
Plus, you should utilize the macro calculator to set your macro targets for low-carb food plan, after which monitor your consumption to ensure your calorie and carb consumption suits your targets.
CICO for Vegetarians and Vegans
Some plant-based meals like greens and fruits are decrease in energy however greater in quantity and fiber, so you may eat satisfying parts with out overdoing calorie ranges (19). Nonetheless, others, equivalent to nuts, seeds, avocados, and heart-healthy oils, are calorie-dense.
It’s essential to concentrate to your portion sizes in an effort to keep your vitality steadiness (19). That is the place the CICO food plan can turn out to be useful, serving to you handle your calorie consumption on a plant-based consuming sample (11).
CICO for Athletes
Athletes are inclined to have greater calorie wants than the typical particular person because of their excessive ranges of bodily exercise and elevated muscle mass. Should you’re an athlete, following the CICO food plan can assist make sure that you’re assembly your calorie wants. Below fueling and over fueling can each damage your efficiency (23).

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Instance Meal Plan
Right here’s what a pattern day might appear to be on a 1,600 calorie balanced food plan.
- Breakfast: Two complete grain toaster waffles topped with ½ cup plain Greek yogurt, ½ cup frozen berries (heated) , 2 tablespoons chopped nuts, and 1 teaspoon maple syrup.
- Lunch: Cobb salad made with 2 cups child spinach, ¼ cup chopped cherry tomatoes, ¼ avocado, diced, 1 sliced exhausting boiled egg, 3 ounces rotisserie rooster, shredded or cubed, and a pair of tablespoons feta cheese. Toss with a dressing made out of 1 ½ teaspoons of each further virgin olive oil and Dijon mustard, and lemon juice, salt, and pepper to style.
- Snack: Smoothie made out of a mix of 1 cup unsweetened vanilla almond milk, ¼ avocado, ½ frozen banana, and 1 cup child spinach.
- Dinner: 6 ounces of broiled or grilled salmon, 1 cup of roasted broccoli, and ½ cup brown rice.
- Snack: 1 ounce of darkish chocolate
Success Tales & Testimonials
As a younger grownup, Kaylin Gealy had simply graduated school and began a desk job, going from pretty lively to largely sedentary. When she was youthful, she described with the ability to eat no matter she wished, however she quickly discovered her weight fluctuating between 218 and 224 kilos.
To get again on monitor, Gealy began strolling and utilizing Lifenza to follow higher consuming habits.
“I noticed the calorie-in/calorie-out weight-loss resolution, and it was so useful,” says Gealy. “It requested me how lively I used to be and helped me set targets. I might scan bar codes, monitor my train and weight reduction, and regulate my macros to determine what labored finest. It was every thing I wanted in a single spot.”

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Widespread Challenges and The best way to Overcome Them
One frequent problem with the CICO food plan is simply contemplating energy in vs. energy out reasonably than contemplating different elements concerned in weight administration, like starvation and fullness, meal timing, sleep patterns, and stress ranges (1).
Whereas the vitality steadiness equation is the spine of the CICO food plan, weight administration is extra sophisticated, so it’s useful to take these different doable pitfalls (1).
- Consuming the mistaken meals. Fill your plate with lean proteins, greens and fruits, wholesome starches, and heart-healthy fat. These meals are more healthy and extra filling than ultra-processed meals (19).
- Consuming simply because you will have energy left over, whether or not you’re hungry or not. As an alternative, cease consuming while you’re now not hungry (24).
- Consuming as few energy as doable. As an alternative, construct wholesome habits you can maintain, which normally occurs while you take issues slowly (11).
Steadily Requested Questions (FAQs)
Does the CICO food plan work?
The CICO food plan is an efficient method to weight reduction. It encourages monitoring your meals consumption and monitoring energy. Analysis means that this type of frequent self-monitoring can promote profitable weight reduction (3).
Must you attempt the CICO food plan?
Many individuals will profit from attempting the CICO food plan, and it may be mixed with numerous consuming patterns, so you may make it be just right for you (18). Nonetheless, if you happen to’re pregnant, nursing, or produce other well being considerations, you need to keep away from the CICO food plan ( 15, 16, 17).
What are you able to eat on CICO?
What you eat on the CICO food plan is as much as you. The CICO food plan is versatile, so you may comply with the consuming sample that works for you. It’s healthiest to eat complete or much less processed meals and to emphasise plant meals, regardless of which consuming sample you comply with (3).
Is calorie counting efficient for shedding pounds?
Calorie counting is an efficient device for shedding pounds (18). Analysis means that calorie counting, logging your meals consumption, and different self-monitoring behaviors, equivalent to logging your weight and train, are related to profitable weight reduction (2).
What are some suggestions for CICO inexperienced persons?
The vitality steadiness equation behind the CICO food plan might not be precisely correct, so there could also be some trial and error as you start following the CICO food plan. Deal with consuming a balanced, nutritious food plan, log your meals as you go, and attempt to keep inside your calorie limits (2, 3). It’s additionally a good suggestion to tune into your starvation and fullness, and to cease consuming while you’re now not hungry as an alternative of while you’ve used up your entire energy for the day (24).
The best way to Use Lifenza for CICO
It’s straightforward to make use of Lifenza to comply with the CICO food plan. Merely log your meals consumption after every meal and snack, and you’ll see your calorie and vitamin consumption for the day and week. You may also save the meals you usually eat, saving you time every time you add them to your log.
Different useful options embrace train monitoring and weight monitoring. These instruments make it easy to make use of Lifenza for the CICO food plan.
The Backside Line
CICO is a versatile food plan method to weight administration primarily based on the precept of vitality steadiness: consuming fewer energy than you burn results in weight reduction, whereas consuming extra results in weight acquire (1). To comply with the CICO food plan, monitoring your caloric consumption is vital, and instruments like Lifenza can assist make monitoring simpler and extra correct (2).
However keep in mind, sustainable weight administration isn’t simply concerning the energy in vs. energy out—nourishing your physique with complete, nutrient-rich meals and staying per each food plan and train will help your long-term well being and wellness (5).
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