Category: Diet

Caloric intake and dieting

Caloric intake and dieting

Caloric intake and dieting, Department of Health Healthy snack options Human Services. A big breakfast could ihtake weight loss, glucose control Starting Cloric day with dketing big Caloric intake and dieting, followed by a medium lunch and a Calofic dinner, may benefit people with obesity and type 2 diabetes, new study… READ MORE. When it comes to losing weight, protein is incredibly important. This is the number of calories you should eat daily to reach your desired weight in the set time frame. What are calories? Calories Weight loss Tips Diets Takeaway Eating too much over a long period of time can have dire consequences for your health.

Recommended intake ranges from 1, to 3, a day based on several intqke. Mia Syn, MS, RDN dietng a registered dietitian nutritionist with a Natural energy boosters of science Lentils and lentil-based desserts human nutrition.

She is also the host of Anr Food Friday on ABC News 4. Eating a certain number of calories daily can dietjng you achieve and Caooric a healthy weight.

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Here is Calorif you need to know about daily calorie consumption. How many calories you should eat in a day will change as Calric body composition and size, intaek level, and health change. Knowing the recommended calorie intake guidelines can Caloric intake and dieting a better idea of your calorie range.

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If intakee are somewhat sedentary or older, your Fermented dairy products needs are likely toward the bottom of the range.

You may be closer to the top if you are fairly physically active, pregnant, dietng breastfeeding. Calorie intake recommendations for teens vary based on Calodic, sex, and activity level. A year-old Caloric intake and dieting recommended intake ranges from 1, to 2, calories daily, with a 2, to 2, recommended intake for a year-old boy.

These amounts increase slightly in the later teen years. The range intame girls aged 14 diting 18 Csloric 1, calories per day to 2, The recommended calorie intake for Cellulite reduction techniques in this same age range is somewhere between 2, and Cwloric, calories.

Children between the ages of 2 and 3 need Inake 1, and 1, calories daily. Intakf they fall in this range depends on how active Calotic are. Didting 4 to 8 years of Caloric intake and dieting, the range Caloric intake and dieting at 1, Nut Butter Recipes daily Organic endurance booster increases to inttake, calories for girls and 2, calories Cwloric boys.

At 9 to 13 years, the calorie range is 1, to 2, calories dleting day for girls and 1, to 2, calories daily for boys. Infants and young dietiing are generally good at self-regulating their calorie intake, so it may be more helpful to ensure they have a balanced diet ibtake watching how many calories they consume.

As the Caloric intake and dieting calorie intake guidelines suggest, the number ibtake calories you need per dieying can vary based on various factors. Among them are:. Additional factors that can affect how many calories your body uses for energy, thus also impacting intaje many you should consume, include your hormones, xieting medications Caloric intake and dieting as steroids and some Vieting medicines intaek, and your dieeting health.

The Nutrition Facts label on foods provides information based on a 2, calorie per day diet. But people can have different calorie needs. Determining your individual needs can help you maintain a healthy weight.

Whether your goal is to lose weight, gain weight, or maintain your current weightan online calculator or calorie counter app can help. The calculator uses your sex, weight, height, and age to determine the number of calories you need to fuel your body for daily activity.

Then it adds the calories needed to gain weight or subtracts the calories required to help you lose weight.

It can figure out how many calories you should eat to maintain weight as well. Inputting accurate information can help determine your daily caloric needs. If you're unsure how active you are during the day, keep an activity journal for a week or look at data from your fitness tracker to get a quick estimate.

Next, the calculator will ask you about your goals. It's important to be realistic during this step. Try to set goals that you believe are attainable.

Once you reach your goal, you can always set a new one. If you are trying to lose weight, a healthy rate of weight loss is 0. If you are trying to gain weightadding 1 to 2 pounds per week is a healthy goal. After entering your information into the calorie calculator, you'll receive a daily calorie goal.

This is the number of calories you should eat daily to reach your desired weight in the set time frame. If weight loss is your goal, a calorie deficit is factored into your recommended daily caloric intake. A calorie deficit is simply an energy shortfall—consuming fewer calories than you use—so your body burns stored fat excess weight for fuel.

You can create a calorie deficit by eating less than your body needs. You can also burn extra calories by increasing your physical activity. Combining the two a balanced diet and exercise is a healthy strategy for losing weight.

While it may be tempting to restrict your calorie intake dramatically, a very low-calorie diet fewer than to calories per day can backfire.

You should only do so with a healthcare provider's supervision to ensure that the diet meets your nutritional needs. If you are trying to gain weight, your daily calorie goal will include a calorie surplus.

The key to making this gain healthy involves following a few simple guidelines:. We've tried, tested, and reviewed the best protein shakes. If you're in the market for an activity tracker, explore which option may be best for you.

Several pieces of research have sought the best ways to maintain one's current weight, especially after successful weight loss.

Many of these studies report that results are mixed as to what strategies may work best. However, many of these studies did find that following a higher-protein diet might help with weight maintenance. A diet rich in omega-3 fatty acids and polyphenols was also suggested as an effective approach to sustaining a healthy weight.

You can eat whatever you want and lose weight if you stay within your calorie range. That said, it might be hard to stay in this range if you don't eat nutritious foods. Plus, empty-calorie foods don't provide your body with the nutrients you need to live an active life.

And when you eat less nutritious foods, you're likely to get hungry more often and overeat. Conversely, nutritious foods help you to feel strong, energized, and satiated. Additionally, all calories are not created equal.

Calories from nutritious food sources will help you feel full longer, fuel your daily activity, and improve your well-being.

Empty calories can leave you feeling hungry, increase your food cravings, and even increase fatigue. You'll find them in processed foods that contain added sugarstrans fat, excess fat, and calories.

They may provide energy but not the fibervitamins, and minerals you need. Nutrition experts recommend that you fill your plate with:.

Evaluate your eating and exercise habits to see if there are adjustments you can make to reach your goal. There may also be medical reasons that you can't lose weight. So talk to a healthcare provider if you are concerned. Your physician may be able to refer you to a registered dietitian for personalized nutrition advice.

They also can evaluate your medical history and current fitness level to help you determine what type of exercise is right for you. Determining your ideal caloric intake is a smart part of being mindful of your nutrition.

Although being intentional about weight is one way to contribute to your overall health, being overly focused on calorie intake can be a worrying sign of diet culture or even disordered eating. Consult a healthcare provider if you need help navigating your ideal calorie intake.

This depends on a host of factors, including sex hormones, genetics, base metabolism rate, size, and more. Conventional wisdom has said to aim for a calorie per day deficit to lose weight at a safe and sustainable weight. It's not usually quite that simple, and a healthcare professional can help you figure out a good plan for your circumstances.

Like losing weight, gaining weight depends on multiple factors. There isn't a one-size-fits-all approach, but adding an extra calories per day is a great way to start to gain weight. Choose nutrient- and calorie-dense foods. Adding nutritious and heart-healthy polyunsaturated and monounsaturated fats is a good start.

Metabolism has a heavy genetic component; however, there are ways to boost your metabolism. Strength training is one way to increase your basal metabolic rate, which means you'll burn more calories throughout the day, not just while you exercise.

Solon-Biet SM, Mitchell SJ, de Cabo R, Raubenheimer D, Le Couteur DG, Simpson SJ. Macronutrients and caloric intake in health and longevity. J Endocrinol. USDA, Department of Health and Human Services.

Dietary Guidelines for Americans American Heart Association. Dietary recommendations for healthy children. National Library of Medicine. Sinha R, Singh B, Yen P. Direct effects of thyroid hormones on hepatic lipid metabolism. Nature Rev Endocrinol.

: Caloric intake and dieting

Calorie restriction and fasting diets: What do we know?

Consuming between approximately 2, to 2, calories per day can help you to lose one pound per week. Young men. Younger men require more energy to maintain their weight, which can be on average 2, calories or up to 3, if you are more active.

Men aged As energy requirements reduce with age. Moderately active men between 46 and 65 years require approximately 2, calories each day. After age 66, the average calorie requirement reduces to about 2, calories per day. For weight loss, you should consume approximately 1, to 1, calories per day.

Moderately active women aged between 26 and 50 need to consume about 2, calories every day to maintain their weight. To lose one pound of weight per week, you should consume approximately 1, calories per day. Active women who walk for over 3 miles per day need to consume at least 2, calories to maintain their weight.

Young women. Women in their early twenties require approximately 2, calories to maintain weight. To lose one pound of weight per week, you should reduce your intake to approximately 1, calories per day. Women above 50 years. Women over 50 tend to need fewer calories than younger women.

Moderately active women over 50 may require approximately 1, calories per day to maintain weight. To lose one pound per week, you may need to reduce your calorie intake to approximately 1, calories per day.

However, these estimates exclude breastfeeding and pregnant mothers who have significantly higher calorie requirements. When you eat more calories than your body needs, the excess energy is stored as fat. When this happens, you enter a calorie deficit which causes you to lose weight.

Understanding how many calories you need to consume each day is the first step to determining the number of calories you should consume to lose weight. Below is a guide on how to calculate your estimated daily calories for weight loss¹:.

Convert your weight in pounds to kilograms divide your weight by 2. Multiply the weight kg by 1. Multiply by Check the lean factor. Use the lean factor multiplier to account for your body fat percentage:. Aged 1. Aged 0. Aged over 38 0.

Aged over 28 0. The resulting figure is your basal metabolic rate BMR , which is the number of calories burned in a day even when you are doing nothing. Multiply your BMR by the daily activity level multiplier to estimate the number of calories you should consume each day based on your occupation and lifestyle:.

In the sample calculation, the male individual works on a construction site, so his activity multiplier is 1. This means his daily calorie requirement would be:. BMR To lose approximately one pound of body weight each week, you need to consume approximately fewer calories than the amount you need to maintain your current weight.

In the sample calculation, the male individual would need to reduce his intake to 1, calories per day. While it may sound simple to expend more energy than you consume, applying this to your day-to-day lifestyle can be challenging.

It is not recommended that you just cut calories without considering the nutritional content of the food you consume. The following lifestyle changes can help you to lose weight in a healthy, sustainable way:.

Vegetables have a high fiber content, which the body cannot digest, that fills up your stomach without increasing your calorie intake. Fiber can also be found in foods such as whole grains, legumes, and fruits, all of which are satiating, nutrient-dense, and low in energy.

Fiber supports important bodily functions, such as feeding your gut microbiota and regulating bowel movements. Eating while using a computer, smartphone, tablet, or watching TV distracts you from your hunger and fullness signals and increases the likelihood of overeating.

Try eating mindfully and slowly without distractions, so you can focus solely on enjoying the taste and smell of your meal. Dressings such as caesar, mayonnaise, ranch, and blue cheese have large amounts of fat from cream and oils that can quickly add up to a lot of extra calories.

When eating out, ask for dressing or sauces on the side so you can control your own portions. At home, opt for mustard, vinegar, or lemon juice for a hit of flavor that is much lower in calories than rich condiments. Staying hydrated is extremely important for weight loss.

Water is naturally calorie-free and assists with satiety, reducing the likelihood of overeating at your next meal. Water is not only important for hydration, but it also assists with digestion, metabolism , and supporting your organs to remove toxins from the body.

Restricting your calories for a long period of time can reduce your metabolic rate, causing your weight to plateau , and increase the risk of muscle loss. When you are in a calorie deficit , your body compensates by storing, instead of burning, energy.

Increasing strength-based training , such as lifting weights, can assist in preserving muscle mass and promoting fat loss. When you want to lose weight, you should eat plenty of protein. Eating more protein is an effective way to lose weight as it reduces hunger and cravings, and preserves muscle mass.

Protein can also increase your metabolic rate as it requires more energy to digest than carbohydrates or fat. Homemade dishes often have fewer calories than those prepared at restaurants.

Restaurants aim to make their food as appealing as possible so they often use lots of added sugars, salt, and fat. By preparing your food yourself, you can significantly reduce your calorie intake to lose weight and eat healthier. Consider investing in lunch containers, meal prepping in advance, and portioning out your lunches to take to work or school.

Not only will this help your waistline, but also your wallet. Examples of healthy low-calorie lunches that are easy to prepare include whole-grain pasta with veggie and turkey sauce, veggie chili, Buddha bowls, and chicken-veggie stir-fries.

Your daily calorie needs depend on factors including your age, gender, height, current weight, activity levels, and health status. To lose one pound of weight per week, you typically need to reduce your calorie intake by approximately calories per day. This is considered healthy weight loss , whereas reducing calories too hard and too fast can have the opposite effect.

It may increase the likelihood of you overeating due to hunger and cravings. You can also lose muscle mass and other health consequences if you restrict calories for too long.

To lose weight in a healthy and sustainable way, focus on making simple lifestyle changes over time, such as exercising, eating more protein and vegetables, drinking enough water, and sleeping well.

How to find your daily calorie need Diabetes Strong. Other sources:. Cutting calories CDC. Weight regain, muscle loss follow resistance training, calorie restriction Healio.

Traditional American cuisine: 1, calories NIH: National Heart, Lung, and Blood Institute. Weight management Sep Avoid eating 2 hours before bed : Eating within 2 hours of sleeping can interfere with sleep quality and promote weight gain.

Here are some examples of activities and the calories they burn in 30 minutes. The estimates are for a person weighing pounds. Keeping calorie intake within certain limits will not ensure a healthful diet, as different foods have different effects on the body.

Counting calories can help to maintain a healthy weight, but calories looks very different depending what foods a person eats. For example, calories from foods such as chips, chocolate, and cake are much smaller portion sizes than calories from fruits or vegetables.

As such, instead of focusing solely on calories, it is important for a person to follow a balanced dietary plan and consume suitable amounts from each macronutrient and food group.

For example, general guidelines recommend consuming 5 portions of fruit and vegetables a day, while limiting the total energy intake from free sugars and fats. Counting calories is not recommended for people with a history of disordered eating, as it can make symptoms worse.

To help work out how much calories a person requires per day, they can attempt to calculate their BMR. However, it can be very difficult to measure BMR outside of clinical settings. As a result, it is unlikely that a person could accurately calculate their BMR at home.

As a simpler alternative, people can try calculating their resting metabolic rate RMR. The RMR estimates the number of calories a person burns during a period of inactivity.

One useful way of estimating RMR is the Mifflin-St. Jeor equation :. People can also calculate their RMR using an online calculator, such as the one provided by the American Council on Exercise ACE , here.

Calculating how many calories to consume to help aid weight loss will vary from person to person. It is important to consider different factors such as sex, age, and activity levels.

In general, if a person wishes to lose weight, they may want to consider reducing their daily calories so they are in a calorie deficit. Read on to learn more about how many calories to consume to lose weight. Although people may consider following a calories diet to lose weight, it is unlikely for most healthy adults to get sufficient energy or nutrients eating calories or less a day.

As such, it is not advisable to regularly consume calories or less a day. When a person eats or drinks, they get energy from calories, which are units of energy found in food and drinks. Everybody needs calories to survive…. For some people, a 2, calorie diet contains the right number of calories for a healthful lifestyle.

However, calorie needs among people. Learn more…. Some people can eat 1, calories a day to lose weight safely by adding nutrient-dense foods to their diet. Learn how to restrict calories and stay….

Researchers say bariatric surgery can help with weight loss, but it can also help improve cognitive functions including memory. Researchers say running can help with weight loss but only in the short term. This form of exercise does have other health benefits from maintaining…. My podcast changed me Can 'biological race' explain disparities in health?

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Medical News Today. Health Conditions Health Products Discover Tools Connect. How many calories should I eat a day? Medically reviewed by Katherine Marengo LDN, R. Recommended intake Burning calories Tips Activities Food choice Daily needs FAQ Adults typically require between 1,—3, calories per day.

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Wait, what even are calories?

Two National Institute on Aging NIA -supported studies in rhesus monkeys sought to find out whether the benefits of calorie restriction are seen in longer-lived species. In both studies, the monkeys were kept on a calorie-restriction diet 30 percent fewer calories than for monkeys in the control groups for more than 20 years.

Although there were differences between the two studies—including monkey breed and type of food—both provided evidence that calorie restriction reduced the incidence of age-related conditions, such as cancer, heart disease, and diabetes.

One study found an extension of lifespan, while the other did not. Many of the monkeys are still alive, so the full impact of calorie restriction on their maximum lifespan has yet to be determined.

Some study results suggest that calorie restriction may have health benefits for humans, but more research is needed before we understand its long-term effects.

There are no data in humans on the relationship between calorie restriction and longevity. Some people have voluntarily practiced extreme degrees of calorie restriction over many years in the belief that it will extend lifespan or preserve health.

Studies on these individuals have found markedly low levels of risk factors for cardiovascular disease and diabetes.

The studies have also found many other physiologic effects whose long-term benefits and risks are uncertain, as well as reductions in sexual interest and the ability to maintain body temperature in cold environments. These people generally consume a variety of nutritional supplements, which limits knowing which effects are due to calorie restriction versus other factors.

To conduct a more rigorous study of calorie restriction in humans, NIA supported a pioneering clinical trial called Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy CALERIE.

In CALERIE, young and middle-aged, normal-weight or moderately overweight adults were randomly divided into two groups. People in the experimental group were told to follow a calorie-restriction diet for 2 years, while those in the control group followed their usual diet.

The study was designed to have participants in the experimental group eat 25 percent fewer calories per day than they had regularly consumed before the study. Although they did not meet this target, they reduced their daily caloric intake by 12 percent and maintained, on average, a 10 percent loss in body weight over 2 years.

A follow-up study 2 years after the intervention ended found that participants had sustained much of this weight loss.

It's important to note that calorie-restriction regimens are not starvation diets. The weight loss achieved with calorie restriction in the CALERIE trial resulted in body weights within the normal or overweight range. Compared to participants in the control group, those in the calorie-restriction group had reduced risk factors lower blood pressure and lower cholesterol for age-related diseases such as diabetes , heart disease , and stroke.

They also showed decreases in some inflammatory factors and thyroid hormones. There is some evidence that lower levels of these measures are associated with longer lifespan and diminished risk for age-related diseases.

Moreover, in the calorie-restricted individuals, no adverse effects and some favorable ones were found on quality of life, mood, sexual function , and sleep. The calorie-restriction intervention did cause slight declines in bone density, lean body mass, and aerobic capacity the ability of the body to use oxygen during exercise.

However, these declines were generally no more than expected based on participants' weight loss. Other short-term studies have found that combining physical activity with calorie restriction protects against losses of bone, muscle mass, and aerobic capacity.

Some CALERIE participants also experienced brief episodes of anemia diminished number of circulating red blood cells that carry oxygen through the body.

Overall, these findings indicate that while the degree of calorie restriction in CALERIE is safe for normal-weight or moderately obese people, clinical monitoring is recommended.

Most research to date has focused on the weight-loss aspect of fasting, primarily in obese people, and only a few small clinical trials have been conducted.

More work is needed to determine which, if any, types of fasting diets have long-term benefits. Observational studies have been conducted in people who practice fasting in one form or another. In an observational study, the investigator does not determine the treatment to offer and does not randomize subjects into a control group or experimental group.

Instead, the investigator records data from real-life situations. For example, one observational study compared people who routinely fasted as part of a religious practice or for another reason to those who did not fast.

It found that those who routinely fasted were less likely to have clogged arteries or coronary artery disease. However, the study did not control for other factors that could have affected the results, such as the kind of diet, quality of food consumed, or use of nutritional supplements. After decades of research, scientists still don't know why calorie restriction extends lifespan and delays age-related diseases in laboratory animals.

Do these results come from consuming fewer calories or eating within a certain timeframe? Are the results affected by the diet's mix of nutrients? Several studies have focused on what occurs inside the body when caloric intake is restricted.

In laboratory animals, calorie restriction affects many processes that have been proposed to regulate the rate of aging. These include inflammation, sugar metabolism, maintenance of protein structures, the capacity to provide energy for cellular processes, and modifications to DNA.

Another process that is affected by calorie restriction is oxidative stress, which is the production of toxic byproducts of oxygen metabolism that can damage cells and tissues. Several of these processes were similarly affected by calorie restriction in the human CALERIE trial.

However, we do not yet know which factors are responsible for calorie restriction's effects on aging or whether other factors contribute. Research supported by NIA has also focused on the effects of intermittent fasting. During fasting, the body uses up glucose and glycogen, then turns to energy reserves stored in fat.

This stored energy is released in the form of chemicals called ketones. These chemicals help cells—especially brain cells—keep working at full capacity. Some researchers think that because ketones are a more efficient energy source than glucose, they may protect against aging-related decline in the central nervous system that might cause dementia and other disorders.

Ketones also may inhibit the development of cancer because malignant cells cannot effectively obtain energy from ketones. In addition, studies show that ketones may help protect against inflammatory diseases such as arthritis. Ketones also reduce the level of insulin in the blood, which could protect against type 2 diabetes.

But too many ketones in the blood can have harmful health effects. This is one of the reasons researchers want to understand more about how calorie restriction diets work before recommending them. Most calorie-restriction and fasting-diet studies have been in younger people, but researchers are beginning to study older adults.

A clinical trial conducted by NIA is testing the diet in obese people, age 55 to 70, with insulin resistance. Different types of foods may get processed differently, too.

com and the author of Read It Before You Eat It — Taking You From Label to Table. For weight maintenance, the Dietary Guidelines for Americans — suggest a range of 1,—2, calories for women and 2,—3, for men — so you could consider anything below these numbers a low-calorie diet.

But some popular diet plans take users to extremely low levels. The HCG diet , for example, supplies as low as calories per day, and the Master Cleanse offers a range of , calories. Other low-cal eating plans, like the TLC diet diet hover higher, near the 1, to 1,—calorie mark, or calculate a specific number based on your current weight and goal weight.

A low-calorie diet is a straightforward, research-confirmed path to weight loss, with plenty of journals, calculators, apps, and other resources available for calculating your progress. That said, a slash-and-burn approach to calories may come with downsides. Meticulous tracking of numbers and portion sizes can be unhealthy territory for some people, ultimately creating disordered eating behavior.

Regardless of your mental health history, a super-low-calorie diet may not be sustainable in the long term. And plenty of research supports the notion that physical activity enhances weight loss by burning more calories. We all need calories for survival. If you cut back your calories too much, it hinders weight loss.

To prevent weight loss plateaus, Spiegel recommends a goal of 1 to 2 pounds lost per week. Before you start a low-cal diet, consider discussing your plan with a registered dietitian or other healthcare professional who specializes in weight loss.

Bariatric doctors and certified bariatric nurses are other helpful providers. And before and during your journey, True says to keep a food journal to help you evaluate and reflect on your diet choices. Tracking apps like Lose It or LifeSum are other useful resources for tallying exact numbers of calories per day.

Finally, remember that slow and steady wins the race. Even decreasing your caloric intake by to calories a day and increasing your exercise by 20 minutes a day can go a long way for your long-term success. Health Conditions A-Z.

Best Oils for Skin Complementary Approaches Emotional Wellness Fitness and Exercise Healthy Skin Online Therapy Reiki Healing Resilience Sleep Sexual Health Self Care Yoga Poses See All.

Calories: How to Know if You Go Too Low The fasting diet may or may not involve a restriction in the intake of calories during non-fasting times. RSV vaccine errors in babies, pregnant people: Should you be worried? What Is The Optavia Diet? These adaptations are the exact opposite of what you need for successful long-term weight loss. These chemicals help cells—especially brain cells—keep working at full capacity. Combining regular activity and healthy eating will best help you get to and maintain a healthy weight. Share this article.
Calorie restriction and fasting diets: What do we know? | National Institute on Aging

You're probably familiar with how calorie counting works for weight loss and gain. On the flip side, consuming fewer calories than you use on a daily basis a. creating a calorie deficit will cause you to drop pounds.

Sounds simple enough, but you may be wondering, How many calories should I eat to lose weight? The answer is a little bit more complicated than you think. If you want to get into the specifics, here's a rule of thumb: A pound of weight equals about 3, calories, according to Philadelphia-based nutritionist Rebecca Boova , RD, LDN.

Lower is not always better when cutting calories to lose weight. Your total should never dip below 1,, per the American College of Sports Medicine. The good news is most women will burn more calories than that doing literally nothing, says Jonathan Valdez, RDN, CDN, the owner of Genki Nutrition and a spokesperson for the New York State Academy of Nutrition and Dietetics.

Consuming less than 1, calories could shock your body into starvation mode, which will slow your metabolism, decrease your muscle mass, and likely keep you from getting the nutrients you need to sustain your daily activities, explains Delbridge.

Personal body size matters too. So it would be really hard and restrictive to reduce calories further than where they're comfortably at. And if you find yourself obsessing over your calorie count all the time, and it starts to interfere with your life and enjoyment of food, it might be worth stepping away and trying a different approach.

Read on for helpful info from experts on how many calories you need a day—and the easiest ways to calculate and monitor your daily intake. So calories are simply a unit of energy. And every body, depending on age, sex, height, weight, and level of physical activity, needs a different amount of calories, per the Department of Health.

When it comes to weight loss and calories, the quality of the calories you're consuming can also have a major impact on your weight loss goals. A study published in Cell Metabolism put 20 people on an unprocessed food diet and an ultra-processed diet for two weeks each.

And the results showed that while on the processed food diet, participants gained two pounds and lost nearly two pounds with the unprocessed food diet.

So be mindful of the types of calories you're putting into your body, not just how many. To lose roughly one pound of fat per week which is considered a healthy goal , you need a calorie-per-day deficit, Valdez explains.

But this can be a bit excessive for some people. Cassetty recommends shooting for a to calorie deficit via diet , and then stepping up your exercise routine. But be careful not to cut too many calories—anything beyond an 1,calorie deficit is getting into a little bit of the danger zone.

It's a very fine line and everybody's a little bit different, but don't go below 1, calorie deficit a day," says Boova. If you are game for taking your workouts to the next level, Valdez recommends decreasing your calories from food by per day, and increasing the intensity or duration of your training so that you are burning an extra calories two to three times a week through exercise.

But that's going to further increase your calorie deficit for the day, and you need to adjust the amount of food you eat to support your workouts, metabolism, and recovery between your sweat sessions, notes Boova. She recommends two rest days minimum per week because your body needs a chance to recover so your muscles can regrow and rebuild afterward.

Just like when you don't eat enough, exercising more can slow down your metabolism, which is going to further increase your calorie deficit for the day. It's possible for overexercising to backfire and hurt your metabolism in the process. Luckily, yes! There are plenty of easy-to-use, expert-recommended calorie calculators that will help you stay on track.

Cassetty recommends these three. Reminder: Calorie calculators are meant to give you general guidelines. If you want a more precise daily calorie intake estimate or a specific weight loss plan, talk to your MD.

Not everyone who counts calories wants to lose weight. Some want to gain it from lean, powerful muscle. Gaining weight from muscle is a great way to improve your health and even decrease your body-fat percentage.

Bonus: Since muscle is metabolically active, it can also help you shed fat without cutting calories, says physical therapist Grayson Wickham, DPT, the founder of Movement Vault.

To gain muscle without also gaining fat, you need to increase your protein to 1. And the rest should come from carbs like whole grains, fresh fruits, and vegetables, which will help power your workouts.

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