Your blood pressure can drop if you also lose weight too quickly, which can be dangerous. Dehydration and electrolyte imbalance can also occur. Other side effects of quick weight loss include dizziness, constipation, hair loss, headaches, irritability, fatigue, and muscle loss.
You would need to consume only 500-1,000 calories per day, which is an extremely low amount and likely not sustainable or healthy for most people. In fact, trying to lose 5 kg in one week is generally not realistic or healthy.
How fast is too fast to lose weight? Losing more than 1-2 pounds per week may mean you're losing weight too quickly. If you're not trying to lose weight, an unexplained loss of more than 5% of body weight (or 10 pounds or more) in 6-12 months is considered a cause for concern.
Unintentional weight loss has many different causes. It might be caused by a stressful event like a divorce, losing a job, or the death of a loved one. It can also be caused by malnutrition, a health condition or a combination of things.
But there is a serious downside to losing weight that, ironically, results in worse medical health and poorer mental health. This is the overwhelming likelihood that people who lose a significant amount of weight, usually about 10 to 25 percent of their body mass, will almost inevitably regain it.
But many health care providers agree that a medical evaluation is called for if you lose more than 5% of your weight in 6 to 12 months, especially if you're an older adult. For example, a 5% weight loss in someone who is 160 pounds (72 kilograms) is 8 pounds (3.6 kilograms).
Crash Diets & Heart Health
Being severely malnourished – a possible consequence from of crash dieting – can lead to cardiomyopathy, an abnormal heart condition that can result in heart failure.
Ideally, a person may be able to lose a lot of weight even about 7-10 kilos in a month however, the techniques may not be ideal and advised for immediate or even long-term goals. Aim to lose about 1.5-2.5 kgs in a month.
While it is possible for some people with a fast metabolism to lose 10 kgs in 1 month without exercise, it may not be safe or sustainable for everyone. Extreme calorie restriction and rapid weight loss can lead to health risks such as nutrient deficiencies, muscle loss, and gallstones.
The causes can be physical or psychological, and include: An overactive or underactive thyroid gland. The thyroid gland helps regulate your body temperature and control your heart rate and metabolism (the process that turns the food you eat into energy). Cancer.
While you might be attempted to lose that weight sooner, fitness professionals generally agree that you should target 0.5 kg to 1.0 kg per week as a safe amount of weight lost. Losing weight too fast can actually increase your risk for health problems, like liver damage, electrolyte imbalance, and gallstones.
According to experts, losing 1 to 2 pounds a week (0.5 to 1 kg) is considered healthy weight loss. This makes it 8 pounds or 4 kilos per month. Losing more weight than this can mean that you're putting extra pressure on your body, which can impact your overall health in the long run.
Yes, it is possible to lose 15 kg in 40 days, but it is important to approach it with caution and proper planning. Rapid weight loss can be harmful to your health, and it is recommended to lose weight gradually over a longer period of time. Losing 1-2 kg per week is a safe and sustainable rate of weight loss.
The risk of ischemic stroke was gradually increased in those who lost or gained more than 5% of their weight over four years, after adjusting for confounders. We should be aware of the increased risk of ischemic stroke in people who undergo weight change and should identify and manage the cause of weight change.
Losing Weight Safely
If you shed pounds too fast, you'll lose muscle, bone, and water instead of fat, says the Academy of Nutrition and Dietetics. The academy's advice: Aim to lose 1-2 pounds per week, and avoid fad diets or products that make promises that sound too good to be true.
Your body weight can regularly fluctuate. But the persistent, unintentional loss of more than 5 per cent of your weight over 6 to 12 months is usually a cause for concern. Losing this much weight can be a sign of malnutrition. This is when a person's diet doesn't contain the right amount of nutrients.
Set realistic goals
Over the long term, it's smart to aim for losing 1 to 2 pounds (0.5 to 1 kilogram) a week.
When significant weight loss is a sign of ill-health, you will usually have other symptoms, such as poor appetite, tiredness, digestive upset, and altered mood. A common cause of unplanned weight loss is an overactive thyroid gland, where your thyroid increases production of hormones that increase your metabolism.
About 60 out of 100 people with lung cancer (60%) have a loss of appetite and significant weight loss at the time of their diagnosis. In people with upper gastrointestinal cancer, this number is 80 out of 100 people (80%). Upper gastrointestinal cancers include: food pipe (oesophagus) cancer.
Losing around 1.5 to 2.5 kilos of body weight in a month is considered healthy. Losing more than this means you are putting pressure on your bodily functions and internal organs, kidneys especially. People usually eat a high protein diet while trying to lose weight, which puts even more pressure on the kidneys.
Using the recommended weight loss rate, the recommended weight limit a person could lose in a month is 4 – 8 pounds (14000 – 28000 calories). That then means that the healthy amount of weight a person should lose in 3 months is 12 to 24 pounds which equals 42000 to 84000 calories.
By following this fitness and nutrition program, the individual can expect to see steady progress towards their weight loss goal of 10 kilograms in 3 months. It's important to note that sustainable weight loss is a gradual process, and it's important to make lifestyle changes that can be maintained in the long-term.