When you eat, you lose not only fat but also muscle. This can have a lot of impact – not only on your health and energy, but also on your metabolism. To lose weight (body fat), you need to have a calorie deficit. This means consuming fewer calories than your body uses, or burning more calories than you use through exercise. During the first few days of a calorie deficit, the body uses the small amount of stored glycogen for energy.
Glycogen is a chain of glucose (sugar) that comes from the carbohydrates you eat. Since carbohydrates are the body’s source of energy, the sugar that the body does not use immediately is stored for later use. However, because carbohydrate molecules bind water, the body stores water in the muscles at the same time as storing glycogen. When glycogen stores are depleted, the body also retains more water. This is often called “water weight” and explains why some people feel like they’ve lost a lot of weight early in the diet.Given that your glycogen stores only last a few days, the body uses fat to store extra calories when you need them. When glycogen stores are depleted, the body switches to metabolized fat for the energy it needs to function. But not all tissues, such as the brain, can use fuel for energy.
This is why your body has to metabolize your muscles when you have more calories. Protein (from the food you eat) is stored in your muscles.The body can convert stored protein into glucose for energy. But this means that when this happens, you lose the muscle itself. This has serious consequences, including slowing your metabolism, which can cause you to gain weight after losing weight.
Muscle Loss – Many factors can affect muscle loss during a calorie deficit. While it is believed that more fat means less calorie dense muscle, this theory has been proven wrong – both lean and obese people lose a significant amount of muscle mass when they diet.However, race and genetics may play a role – studies have shown that blacks tend to lose more muscle mass than whites because of a calorie deficit. Some research also suggests that genetic variation may make some people more susceptible to certain dietary changes, which in turn may determine how much muscle mass they lose.
Whether you lose weight slowly or quickly, muscle gain will occur. A better decision about how much muscle mass to lose depends on how much weight you lose. If a person loses 10% of their body weight, usually about 20% of their weight (the percentage of body weight that is not fat such as muscle).That’s the equivalent of a few kilograms of muscle. A high protein diet alone will not preserve muscle mass during weight loss. Many people also believe that what you eat while losing weight determines how much muscle you will lose, and it is generally believed that if you eat more protein you will have less muscle mass.
That’s the problem, and research shows that people who follow a high-protein diet lose more muscle mass than people who follow other types of diets. A low-carb diet is also thought to encourage more fat.But studies comparing different diets have shown that low-fat, high-carb diets result in the same or better fat loss than low-carb, low-carb diets, with no difference in muscle mass.
Protein and Exercise -In summary, the only way to prevent muscle loss during weight loss is to increase exercise (especially resistance and exercise) with a protein-heavy diet. This is because exercise stimulates muscle growth, but this process only happens if there is enough protein. Most adults recommend consuming 0.8 grams of protein per kilogram of body weight per day to maintain muscle mass.But given the increased need for muscle mass from exercise, a person should consume 1.2-1.5 grams of protein per kilogram of body weight to maintain muscle mass while losing weight.
People who exercise regularly should gain more than 2 grams per kilogram of body weight while losing weight. Seniors may also need to consume more protein than average.Just be careful not to eat too much protein (more than 2.5 grams per kilogram of body weight), because eating more than the body uses can affect metabolism, reducing the body’s ability to use sugar for energy.
It can also cause more stress on the kidneys and liver, which can lead to health problems such as liver and kidney damage. Even if you maintain muscle mass while losing weight, other metabolic changes that favor weight gain can still occur, such as changes in your metabolic rate (the minimum number of calories your body needs to survive) and increased appetite and hunger. That’s why it’s so important to consider healthy eating and lifestyle changes when trying to lose weight.The easier they are to manage, the better your chances of losing weight.