The reality is, small changes in weight are completely normal and expected. Body weight can shift throughout the week and even during the day. In fact, an average adult can lose or gain two to eight pounds over the course of a few days.
How much can weight fluctuate? Even for people within a healthy weight range, the average fluctuation is a window of about 5 to 6 pounds per day (2 to 3 lbs in either direction). For those who aren't accustomed to the normal ups and downs of their weight, this number might sound discouraging. But everyone is different.
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.
Your body (everyone's bodies) generally can fluctuate up to 5-10 pounds in a single day just based on eating, urination, bowel movements, water retention, etc. In addition, people who do IF often have particularly wide swings as all of your eating happens in a specific period of time.
So even though you may be losing fat, you're gaining muscle. You might feel slimmer, even as the number on the scale rises. “The scale doesn't tell the entire story,” said exercise physiologist Christopher Mohr, PhD, RD. “Since muscle and fat take up different volume, they look very different on the body.”
Water weight loss
This water intake will be reflected on the scales. The two main ways in which your body loses water are through sweating and urinating. During the day, you replace the water that you lose by drinking more. Overnight, you are less likely to replace the water you lose through sweating and urinating.
If you're asking yourself, “Why am I gaining weight when I barely eat,” several factors may be at play. Your body may be holding onto fat stores if your eating habits are inconsistent or restricted. Or, your weight gain may be the effect of a sedentary lifestyle, medical condition, or long-term stress.
Aim to weigh yourself on the same day, at the same time and in the same environment each week – for example, first thing every Friday morning when you're getting ready to take a shower, after you've gone to the bathroom, but before you've drunk or eaten anything.
Always see a healthcare provider if you lose weight without trying. Unexplained weight loss is often a sign of a health condition that requires treatment.
“Your skin is the largest organ in the body and absorbs fluid easily,” says Dr. Keith Kantor, a leading nutritionist and CEO of the Nutritional Addiction Mitigation Eating and Drinking (NAMED) program. “After a swim or a shower, your body can absorb 1 to 3 cups of water, increasing your true weight by a few pounds.”
Losing more than 1 or 2 lb (0.5 to 1 kg) a week is not safe for most people. It can cause you to lose muscle, water, and bone density. Rapid weight loss can also cause some side effects including: Gallstones.
You should step on the scale first thing in the morning. That's when you'll get your most accurate weight because your body has had the overnight hours to digest and process whatever you ate and drank the day before.
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).
Water retention may clear without treatment in a few days. However, if there is a health problem causing you to hold onto fluid, your swelling may worsen over time. You may find that the body parts retaining water become tight, swollen, and painful. If untreated, heart or kidney problems may get much worse.
Your body composition may be another reason why you are still gaining weight while in a calorie deficit. If you have a higher body fat percentage and lower muscle mass, then you are probably burning fewer calories than if you had more muscle mass.
To lose weight effectively and safely, aiming to lose 1 to 2 pounds (lbs) per week may be best. This means that losing 20 lbs may take 10 to 20 weeks. To lose weight, people will likely need to follow a healthy diet and get regular exercise. Some popular diets are effective initially but challenging to maintain.
Water weight is not usually a cause for concern, but it can be uncomfortable and recurring. Reducing salt and carbohydrate intake, keeping hydrated, and frequently exercising are all good ways to lose water weight and prevent it from returning.
You should reduce your intake of processed, carb-heavy foods like cookies, chips and soda. Is is possible to lose between five to ten pounds in two weeks, although this weight loss will vary depending on each person's metabolism. Food intake should be carefully monitored and combined with regular physical activity.
Medically supervised weight loss during sleep is primarily attributed to factors like respiration, perspiration, and water loss. On average, an individual may lose about 1-2 pounds during a night's sleep due to these factors.
While cancer and GI issues and mental health cause most unintentional weight loss, there are many other reasons you might suddenly lose weight, including: Dementia, due to changes in mealtime habits. Endocrine issues, including thyroid disorders and diabetes.