Other studies have shown that eating once a day can increase fasting blood sugar levels, delay the body's response to insulin, and increase levels of the hormone ghrelin, which stimulates appetite, compared to eating 3 meals a day. This can lead to extreme hunger (. For some people, eating just once a day can increase the risk of overeating during a single meal. In some cases, following a restrictive diet may even increase the risk of developing an eating disorder in the long term, according to some research.
As long as you meet your protein, fat, and micronutrient requirements, you'll be fine. Many people eat this way to control blood sugar levels, and it's also a great way to promote fat loss while protecting lean mass at the same time. I started a low-carb diet by eating egg whites and vegetables three times a day for a week and then read our article on the OMAD diet. Other research, on the other hand, has concluded that alternate-day fasting was no more effective than a calorie-restricted diet in terms of weight loss, weight maintenance, cardiovascular risk or ability to stick to the diet.