Milly Gaines
Calorie-controlled diets are a popular way to lose weight and manage food intake. A calorie deficit is necessary for weight loss, and this can be achieved by reducing the number of calories consumed, increasing physical activity, or a combination of both. The number of calories needed varies from person to person and depends on factors such as physical activity, gender, age, weight loss goals, and overall health. Rapid weight loss diets, such as very-low-calorie diets (VLCDs), are generally not recommended for routine weight management and should be monitored by a healthcare provider. Fad diets that severely restrict calories may not be safe or sustainable. A more sustainable approach to calorie-controlled diets is to focus on whole foods, such as fruits, vegetables, eggs, fish, nuts, lean meats, and high-fiber options, while limiting highly processed foods, refined carbs, and added sugars. Calorie tracking apps can be useful for monitoring intake, but they may lead to an unhealthy relationship with food for some individuals. Time-restricted eating and intermittent fasting are other methods to control calorie intake. It is important to consult with a healthcare professional to determine the most suitable approach for one's individual needs.
| Characteristics | Values |
|---|---|
| Calorie Intake | 1200-1500 calories per day for women, 1500-1800 for men |
| Food Types | Whole foods, fruits, vegetables, eggs, fish, nuts, lean meats, beans, lentils, low-fat dairy |
| Food Types to Avoid | Fried foods, fast food, refined carbs, added sugars, sweetened beverages |
| Portion Control | Control portion sizes to prevent overeating |
| Non-Calorie Beverages | Water, sparkling water, coffee, green tea |
| Fibre-Rich Foods | Non-starchy vegetables, beans, berries |
| Physical Activity | Increase exercise to burn more calories |
| Calorie Tracking | Use a food journal or calorie tracking app to stay within calorie needs |
| Time-Restricted Eating | Limit the number of hours per day that you can eat, e.g., the 16:8 method |
| Very Low-Calorie Diet (VLCD) | <800 calories per day, usually combined with meal replacements |
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What You'll Learn
Calculate your TDEE (Total Daily Energy Expenditure)
To lose weight in a healthy, sustainable way, it is important to calculate your Total Daily Energy Expenditure (TDEE). This is an estimate of how many calories you burn per day when exercise is taken into account. TDEE is calculated by first figuring out your Basal Metabolic Rate (BMR) and then multiplying that value by an activity multiplier. Your BMR represents how many calories your body burns when at rest, so it is necessary to adjust the numbers upwards to account for the calories you burn during the day, even if you have a sedentary lifestyle.
The Mifflin-St. Jeor Equation, Harris-Benedict equation, and Katch-McArdle Formula are some of the more commonly used equations for estimating BMR. These formulas take into account physical characteristics such as age, gender, height, and weight. For example, men generally have higher energy requirements than women, so a 1,500-calorie diet plan may be suitable for a woman but not a man.
The thermic effect of food, or specific dynamic action, is another factor that can be used to estimate your TDEE. This refers to the amount of energy required by the body to process and use food. This is sometimes estimated as 10% of food energy intake, but this can vary depending on the type of food consumed. For example, protein has a larger thermic effect than dietary fat because it is more difficult to process.
Once you have calculated your TDEE, you can use this information to create a calorie deficit and lose weight. This can be done by eating fewer calories than your TDEE or by exercising to burn off extra calories. It is important to note that rapid weight loss diets may not be safe or sustainable and can lead to weight regain over time. A more gradual approach of losing 1/2 to 1 lb per week is generally recommended.
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Use a food journal or calorie tracking app
A food journal or a calorie-tracking app can be a useful tool when starting a calorie-controlled diet. Logging meals, snacks, and drinks, along with their calorie content, can help you stay on track and reduce the chances of underestimating your calorie consumption.
There are many apps available that can help with this. Some apps allow you to scan the barcode of packaged foods to get their nutritional information, while others allow you to search for specific foods and brands to find their calorie content. Many apps will also allow you to input your current weight, height, and activity levels, and will calculate a recommended daily calorie intake for you. Some apps will also allow you to set a goal weight and will help you to calculate the number of calories you should be consuming per day to reach that goal.
If you prefer not to use an app, you can use a food journal. This can be as simple as writing down everything you eat and drink throughout the day, along with their estimated calorie content. You can use a notebook or a spreadsheet to record this information. It is important to be as accurate as possible when tracking your calories, so it may be helpful to measure your portions and look up the calorie content of foods before consuming them.
Using a food journal or calorie-tracking app can be a helpful way to ensure you are staying within your calorie needs, but it may not be necessary to track your calories forever. Over time, you may become better at estimating portion sizes and the calorie content of foods, and you may be able to maintain your diet without needing to track every meal.
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Eat whole foods, not processed
A calorie-controlled diet is a great way to manage your food intake and jumpstart weight loss. One of the key principles of such a diet is to focus on whole foods and minimise the consumption of processed foods.
Whole foods are those that are in their natural, unprocessed form, such as whole grains, fruits, vegetables, lean meats, milk, yoghurt, legumes, nuts, and seeds. These foods are packed with nutrients, including vitamins, minerals, and antioxidants. Fibre is particularly important as it keeps you feeling fuller for longer, which can help with weight loss by reducing overall calorie intake. Additionally, whole foods do not contain added saturated fat, salt, or sugar, which are common in processed foods and can negatively impact cholesterol levels, blood pressure, and weight.
Processed foods, on the other hand, tend to be packed with sugar and salt to enhance flavour, and these additives can lead to increased calorie intake and potential negative health consequences. A controlled diet that focuses on whole foods might include eggs, vegetables, fruits, fish, and nuts, while minimising the consumption of fast food, refined carbs, and added sugars.
It is important to note that not all processed foods are unhealthy. Some processed foods, like hummus or reduced-salt and sugar baked beans, can be part of a healthy diet. The key is balance and moderation. Enjoy your favourite processed foods occasionally, but make sure to include more whole foods in your diet and make healthy swaps when possible.
Finally, while a whole-foods diet has many benefits, it may require more meal planning and preparation time. Batch cooking and freezing leftovers can help streamline this process and make it easier to stick to a healthy, whole-foods diet.
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Avoid sugary drinks
When it comes to calorie-controlled diets, it is important to remember that they are not a one-size-fits-all approach. Calorie requirements vary depending on factors such as physical activity levels, gender, age, weight loss goals, and overall health. A safe and sustainable approach to weight loss is generally considered to be a loss of 0.5-1 lb (225-500 grams) per week.
Avoiding sugary drinks is a crucial part of maintaining a healthy diet and managing your weight. Here are some reasons why you should avoid sugary drinks:
Weight Gain and Obesity
Sugar-sweetened beverages are the most fattening and harmful aspect of many diets. Studies show that people who consume sugary drinks consistently gain more weight than those who don't. Liquid sugar does not make you feel full, so you end up adding extra calories to your diet. One study found that people who drank sugary soda in addition to their regular diet consumed 17% more calories overall. Another study linked each daily serving of a sugar-sweetened beverage to a 60% increased risk of obesity in children.
Type 2 Diabetes
Drinking sugary drinks is a risk factor for developing type 2 diabetes. Research has shown that for every 150 calories of sugar consumed per day (about one can of soda), the risk of type 2 diabetes increases by 1.1%. If you are trying to manage your blood sugar, it is crucial to limit sugary drinks.
Other Health Issues
Consuming sugary drinks regularly can lead to various health problems, including heart disease, cavities, and gout, a type of arthritis. These drinks provide excessive amounts of added sugar and unnecessary calories while lacking essential nutrients like vitamins, minerals, and fiber.
Alternative Options
Instead of reaching for a sugary drink, opt for water. Water is your body's preferred way to hydrate, and it's naturally sugar-free. You can add slices of fruit, berries, or herbs to your water for a boost of flavor. If you're craving something fizzy, try seltzer or sparkling water. You can also make your own smoothies at home by blending fruit, vegetables, and low-fat or fat-free milk or yogurt.
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Exercise more
Exercise is an integral part of any calorie-controlled diet. While it is possible to lose weight by just cutting calories, adding exercise into your routine promotes weight loss and improves overall health.
The American Diabetes Association (ADA), American Academy of Clinical Endocrinologists (AACE), and National Academy of Nutrition and Dietetics (NAN) all recommend exercise as a key component of any weight loss program. Research supports the importance of exercise in improving cardiovascular fitness, insulin sensitivity, glycemic control of type 2 diabetes, blood pressure, and depression scores.
To achieve effective weight loss, aim for 30 minutes or more of moderate to vigorous exercise on most days of the week. If you are aiming to keep the weight off, 45 minutes or more of exercise may be beneficial. You can break this down into shorter bouts throughout the day, such as 10-minute spurts of moderate exercise like walking, gardening, or lawn mowing. For more vigorous exercise, try running, heavy yard work, or aerobic dancing.
If you are new to exercise, start with half-hour walks three times a week to boost your activity levels. You can also incorporate strength training into your routine to build muscle and burn fat. Try lifting weights at least twice a week using dumbbells, barbells, kettlebells, resistance bands, or your own body weight with exercises like push-ups and planks.
Remember, your calorie needs will be greater on the days you work out, so plan your meals accordingly. Creating a calorie deficit by burning more calories than you consume is essential for weight loss, but avoid an oversized calorie deficit as this can be unhealthy and challenging to maintain.
Finally, consult with your healthcare provider before starting a new exercise program, especially if you have any health conditions or concerns.
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Frequently asked questions
A calorie-controlled diet involves limiting the number of calories you consume in a day. The number of calories you should consume depends on your age, sex, height, weight, physical activity, and overall health.
Some tips include:
- Using a food journal or calorie tracking app to log meals, snacks, and drinks
- Focusing on whole foods such as vegetables, fruits, eggs, fish, and nuts
- Limiting highly processed foods, added sugars, and refined carbs
- Staying hydrated with water, sparkling water, coffee, and green tea
- Monitoring portion sizes to prevent overeating
Some healthy breakfast options include:
- Greek yogurt with berries, nuts, or seeds
- An omelette with mixed vegetables and cheese
- A smoothie with Greek yogurt, frozen fruit, leafy greens, and milk or a milk alternative
