Have you ever asked yourself, “Do you poop more when losing weight?” Or wondered, “Do you poop out fat when losing weight?” Why does dropping each pound seem to lead to more bathroom visits? Does pooping lose weight? Let’s explore the fascinating link between weight loss and bowel movements. Get ready for an eye-opening take on how slimming down affects our body in ways you might not expect!
How Much Does Poop Weigh?
The weight of your poop can fluctuate based on your diet, hydration level, and physique. Consuming abundant fiber-rich foods can increase your stool’s volume and weight, as noted by the Mayo Clinic. While the majority of poop consists of water, it also contains:
- Dead and live bacteria
- Protein
- Food bits that didn’t get digested (like fiber)
- Stuff your body wants to throw away
- Salt
- Fat

If poop stays in your intestines for a long time, it gets drier and heavier. Most people poop once a day, but it’s okay to poop up to three times a day or as little as once every three days.
Do You Poop More When Losing Weight?
When you’re on a weight loss diet, you might find yourself going to the toilet more often. But remember, the weight you’re losing is mostly because of the diet changes, not just the extra trips to the restroom.
A lot of weight loss plans recommend eating more protein. While meat is a go-to protein source for many, it’s sometimes harder for our bodies to break down compared to other foods.
Moreover, some of these diets might skimp on the fiber you need. Fiber is key because it adds bulk to your stool. Without enough fiber, your poop can become soft and watery. On the flip side, not having enough fiber can lead to constipation.

Diets that pack in a lot of fiber and might make you poop more include:
- Vegan diet
- Vegetarian diet
- Mediterranean diet
On the other “do you poop more when losing weight” hand, diets that might not give you as much fiber, which could slow down your bathroom trips or not change them at all, are:
- Ketogenic diet
- Paleo diet
- Atkins diet
The Centers for Disease Control and Prevention (CDC) emphasize that the best approach to weight loss is through a well-balanced diet and a sensible eating plan.
A well-rounded diet should have fruits and veggies, whole grains, lean meats, fish, eggs, beans, and nuts. And it’s best to go easy on saturated fats, processed munchies, and too much salt and sugar.
To keep a healthy weight, aim to eat just the right amount of calories your body requires and try to be active daily.
Do You Poop More When Losing Weight: 4 Ways Your Poop Might Change!
Frequent Trips to Toilet

If you find yourself headed to the restroom more frequently, it’s likely a result of the positive dietary adjustments you’ve made for weight loss. Upping your intake of fruits and vegetables? You’ll likely benefit from more consistent bowel movements.
Dr. Niket Sonpal, a renowned New York-based internist and gastroenterologist with extensive experience in digestive health, emphasizes the benefits of plant-based diets for the digestive system. “Eating more plant-based foods will increase the amount of soluble fiber in the stool,” Dr. Sonpal states. This augmentation of fiber can result in your stool becoming softer, fluffier, and subsequently easier to pass. “Fiber causes more distention of the rectum, making you go to the bathroom more frequently,” he elucidates.
If you’ve also upped your exercise routine, this could contribute to more regular bathroom visits.
Facing Constipation

Does your effort to poop feel as intense as your morning workout?
If you’re aiming for muscle gains or longer-lasting fullness during meals, you might be incorporating more lean proteins into your diet. Be cautious, though, as overdoing it on this nutrient might make things a bit, well, stuck.
Risk of Diarrhea

On the flip “do you poop more when losing weight ” side, some diets, especially those low in carbs, can lead to loose and foul-smelling stools. The keto diet is a prime example. Since sugar is a big no-go on keto, followers often turn to low-carb artificial sweeteners and sugar alcohols. But these sugar substitutes, being tough to digest, can act as laxatives, resulting in watery stools, as per Harvard Health Publishing.
The Color of Your Stool Might Alter
Noticed a shift in the color of your stool? The foods you eat play a direct role in its hue, as stated by the Cleveland Clinic. Thus, a colorful diet can lead to equally colorful results in the toilet.
For “do you poop more when losing weight ” instance, munching on dark greens might lead to a bright green stool, while consuming beets or cherries could render it a shade of red. Blueberries might lend a deep blue (or even black) tint, and carrots can push it toward an orange tone.
However, if you notice persistent color changes that you can’t link to your meals, it’s worth paying attention. According to the Cleveland Clinic, red or black stools might hint at blood presence, and a grayish tone could indicate issues with the pancreas or bile ducts.

FAQs
Why Am I Pooping So Much and Losing Weight?
Certain conditions, infections, and surgeries can lead to malabsorption issues. When this happens, you might experience diarrhea, weight loss, and stools that are bulky and have an unpleasant odor. Diagnosing this involves looking at typical symptoms, conducting stool tests, and occasionally taking a biopsy of the small intestine’s lining. Treatment varies based on the root cause.
Does Losing Weight Increase Bowel Movements?
Healthy weight loss diets often emphasize a lot of fruits, veggies, and whole grains—all rich in fiber. Adding more fiber to your meals can increase the weight of your stool and promote more consistent bowel movements. So, if you’re on a weight loss journey, you might find yourself pooping more frequently.
Do You Poop Out Fat When You Lose Weight?
If your stool looks yellowish or has a greasy texture, it likely contains an excess amount of fat. This can be due to issues with absorbing nutrients or challenges in producing necessary enzymes or bile.
Where Does Your Weight Go When You Lose Weight?

Believe it or not, most of the fat you lose gets converted into carbon dioxide and water. You breathe out the carbon dioxide, and the water enters your bloodstream until it’s eventually excreted through urine or sweat. For instance, if you drop 10 pounds of fat, you actually breathe out 8.4 pounds of it, and the remaining 1.6 pounds become water.
Why Am I Not Pooping on A 1200 Calorie Diet?
Diets that are very low in calories, often defined as 800 calories or even up to 1,200 calories a day, can affect how often you poop. Here’s why: consuming less food means there’s less waste, which can slow down how fast food moves through your gut and decrease stool volume.
Will I Poop Less If I Eat Less Calories?
If you’re noticing fewer trips to the bathroom, it could be related to a reduced calorie intake. It makes sense: when you eat less, there’s simply less waste to process through your system. Constipation, which is characterized by having fewer than three bowel movements a week or struggling with small, hard stools, can be a side effect of eating significantly less.
Why Am I Pooping Water?
Diarrhea, or passing watery stools, often stems from short-lived issues like food poisoning or a viral infection. But sometimes, it’s a sign of a more serious underlying health concern. Occasional diarrhea is something we all experience, defined by passing liquid instead of solid stool multiple times a day.
What Does Unhealthy Poop Look Like?
Stools that appear red, maroon, or have a black, tarry consistency should be a cause for concern. Such colors and textures warrant immediate medical evaluation.
Does Pooping Mean You’re Losing Weight?
While you might feel a bit lighter after a substantial bowel movement, this doesn’t mean you’ve shed actual body weight. Pooping doesn’t drive weight loss. Real weight loss comes from burning more calories than you take in, not from what you expel in the bathroom.
Does Fat Loss Come Out in Poop?
No, fat loss does not primarily come out in poop. When you lose fat, it is primarily metabolized and broken down in your body through a process that involves the conversion of fat into carbon dioxide and water. The carbon dioxide is expelled from your body through respiration, and the water is excreted through urine, sweat, and other bodily fluids. Only a small fraction of the fat you lose may be excreted in feces, but the majority is eliminated through other processes as mentioned.
Does Diarrhea Make You Lose Weight?
True weight loss involves shedding unwanted body fat. This process is unrelated to the excretion of stool. However, if you experience diarrhea, it could result in some weight loss, mainly due to illness and the subsequent loss of significant amounts of water from the body.
How Much Weight Do You Lose from Diarrhea?
The amount of weight lost during a bout of diarrhea depends on its duration and severity. But it’s crucial to note that any weight lost during this period is mostly water weight. As soon as you recover and your bowel patterns and appetite normalize, any dropped weight typically returns.
Sum up
In sum it up, the relationship between weight loss and our bathroom habits is more interconnected than one might initially think. So, when pondering the question, “Do you poop more when losing weight?”, remember that everything from our diet to hydration plays a role.
For more insights on body and health topics, be sure to explore other blogs from Bodyfitnt. We’re here to guide you on every step of your health journey with valuable information and tips.

Born on July 26, 1960, Professor Tim Olds is a leading authority in the field of health sciences, focusing on exercise science, nutrition, and well-being. As the Bradley Distinguished Professor at the University of South Australia, his research offers pivotal insights into the effects of physical activity, diet, and lifestyle on health outcomes for both men and women.
Having completed two PhDs, one in French Studies and the other in exercise science, Professor Olds has uniquely blended his academic background to explore the multifaceted connections between human behavior, physical fitness, and nutrition. His work in mathematical modeling of cycling performance, anthropometry, and trends in fitness and fatness has informed strategies for weight management and healthy living.
Professor Olds served as the Project Director for the Australian National Nutrition and Physical Activity Survey, examining how diet and physical activity influence health on a national scale. His work on the ADAPT Project, focusing on 3D anthropometry, further showcased his innovative approach to understanding human physicality.
With numerous influential publications, Professor Olds has contributed substantially to the public’s understanding of diet, weight loss, and personalized fitness strategies. His findings have been instrumental in shaping health policies and behavioral change programs aimed at improving individual and community wellness.
From exploring women’s health concerns to understanding men’s fitness needs, Professor Olds’s research transcends gender barriers and offers a comprehensive view of the role of exercise and nutrition in enhancing life quality. His enduring commitment to health education and advocacy continues to inspire people to make informed decisions for a balanced and healthy life.
Professor Tim Olds’s trailblazing work stands as a vital resource for anyone interested in embracing a healthier lifestyle, understanding the science of physical activity, or pursuing effective strategies for diet and weight loss. His academic excellence and practical wisdom make him an essential voice in the ongoing conversation about health and well-being in the modern world.
PUBLISHED ARTICLES
- Olds, T. (2012). Evidence for a Sugars-to-Mental Health Pipeline. Atherosclerosis Supplements, 13(4), 29-30.
- Olds, T., Maher, C., & Zumin, S. (2011). The evolution of screen time: What’s next? Journal of Physical Activity and Health, 8(2), 236-244.
- Olds, T., Ferrar, K., Schranz, N., & Maher, C. (2013). Obese adolescents are less active than their normal‐weight peers, but wherein lies the difference? Journal of Adolescent Health, 53(6), 768-774.
- Olds, T., Maher, C., & Matricciani, L. (2010). Sleep duration or bedtime? Exploring the relationship between sleep habits and weight status and activity patterns. Sleep, 33(12), 1576-1581.
- Olds, T., Ridley, K., & Dollman, J. (2006). Screenieboppers and extreme screenies: The place of screen time in the time budgets of 10–13 year‐old Australian children. Australian and New Zealand Journal of Public Health, 30(2), 137-142.
These published articles reflect Professor Tim Olds’ contributions to various aspects of physical activity, sedentary behavior, and health-related research. They provide insights into the intricate relationship between lifestyle choices and health outcomes