
Cellulose is an organic molecule composed of carbon, hydrogen, and oxygen. It is a complex carbohydrate that forms the cell walls of plants, making it the most abundant organic polymer on Earth. Humans cannot digest cellulose, but it is a significant part of our diet as it is present in all plant foods. Cellulose is a type of insoluble fibre, which does not dissolve in water or change form in the digestive tract. Insoluble fibre helps to move waste through the digestive system, preventing constipation and reducing the risk of developing diverticular disease. Studies have also shown that high dietary fibre intake may reduce the risk of several diseases, including heart disease and gastric cancer.
| Characteristics | Values |
|---|---|
| What is it? | Cellulose is a type of insoluble fiber found in fruits, vegetables, whole grains, legumes, nuts, seeds, and other plant foods. |
| Why do we need it? | Cellulose helps to prevent constipation, reduce the risk of developing diverticular disease, and may also have a positive impact on overall health and well-being. It is also used as a bulking agent in diet foods, helping people feel full without consuming too many calories. |
| How much do we need? | It is recommended that adults consume at least 20 grams of dietary fiber per day, but this may vary depending on age, gender, calorie intake, and personal needs. |
| Where does it come from? | Cellulose is naturally found in plant foods, but it is also added to many processed food products as a fiber supplement or food additive. It can be derived from wood, waste from plant food production (such as oat hulls or nut skins), or other sources like cotton or wood pulp. |
| Safety | Cellulose is generally recognized as safe (GRAS) by the Food and Drug Administration (FDA). However, overconsumption of cellulose or fiber can lead to side effects such as disturbed bowel movements. Individuals with health conditions affecting the digestive system, such as inflammatory bowel disease (IBD), should monitor their cellulose intake. |
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What You'll Learn
- Cellulose is an insoluble fibre, aiding digestion and preventing constipation
- It is a natural organic compound, found in all plant foods
- Cellulose is safe to consume and has no adverse health effects
- It is a cheap filler, used to bulk up diet foods
- Cellulose may reduce the risk of diseases such as heart disease and gastric cancer

Cellulose is an insoluble fibre, aiding digestion and preventing constipation
Cellulose is an insoluble fibre that is an essential component of plant cells, protecting them from damage. It is a complex carbohydrate found in plant cell walls and is the most abundant organic polymer on Earth. It is composed of carbon, hydrogen, and oxygen. Humans cannot digest cellulose, but it still has an important role in our bodies.
As an insoluble fibre, cellulose does not dissolve in water and remains intact as it passes through the small intestine. It helps push food through the digestive system, supporting regular bowel movements and preventing constipation. Constipation is a common issue caused by disturbed bowel movements due to digestion problems or underlying health issues. Fibre helps improve bowel movements by increasing water absorption, making it easier to excrete. Insoluble fibre like cellulose softens stools by binding water to excretory materials.
Fruits, vegetables, legumes, whole grains, nuts, seeds, and other plant foods contain varying amounts of cellulose. The skin of these plant foods usually has a higher cellulose content than the flesh. For example, celery is very high in cellulose, which is why it can get stuck between your teeth.
The recommended daily fibre intake for adults is generally 20-35 grams, but this may vary depending on age, gender, and individual needs. A high-fibre diet is associated with a reduced risk of several diseases, including heart disease, diabetes, and certain gastrointestinal disorders.
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It is a natural organic compound, found in all plant foods
Cellulose is a natural organic compound that is found in all plant foods. It is a complex carbohydrate that forms the cell walls of plants, providing them with structure and strength. As it is a part of plant cells, it is entirely organic and safe for human consumption.
As the most abundant of all natural organic compounds, cellulose is found in all fruits, vegetables, legumes, whole grains, nuts, seeds, and other plant foods. The skin of these plant foods usually has a higher cellulose content than the flesh. For example, when you bite into a juicy apple or a sweet pear, you are also consuming cellulose.
While humans lack the enzymes to break down cellulose, it still offers many health benefits as a type of insoluble fibre. Insoluble fibre passes through the digestive system unchanged, helping to move waste through the intestines and promoting regular bowel movements. This can prevent constipation and reduce the risk of developing diverticular disease, a condition characterised by pockets called diverticula along the colon wall.
In addition to its role in healthy digestion, cellulose may promote health in other ways. Studies suggest that a high-fibre diet may reduce the risk of several diseases, including heart disease, diabetes, and certain gastrointestinal disorders. Cellulose is also added to many processed foods as a thickening and emulsifying agent, providing bulk without adding calories.
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Cellulose is safe to consume and has no adverse health effects
Cellulose is a type of insoluble fibre that is a component of plant foods. It is a structural compound that gives plants their structure and is found in all plant foods. Humans do not have the enzymes needed to break down cellulose, so it passes through the small intestine intact.
Cellulose is considered safe to consume and is generally recognised as safe (GRAS) by the Food and Drug Administration (FDA). It is a common food additive, used to prevent clumping in shredded cheese, as a thickening agent in low-fat products, and to improve texture, among other uses.
While cellulose itself has no nutritional value or health benefits, it helps promote digestive health by aiding regular bowel movements and preventing constipation. It can also help improve cholesterol and blood sugar levels and aid in feelings of fullness.
However, it is important to note that any potential downsides of cellulose are related to the overconsumption of fibre. Eating too much cellulose or fibre can lead to uncomfortable side effects, and those with a health condition that affects the digestive system, such as inflammatory bowel disease (IBD), should be cautious of their cellulose intake. Additionally, some individuals may be at a higher risk of developing an allergic reaction or sensitivity to cellulose that could lead to anaphylactic shock, although this is extremely rare.
Furthermore, a 2021 study found that long-term consumption of cellulose gum, a type of cellulose additive, can alter levels of beneficial bacteria and nutrients in the gut, which may promote chronic inflammatory conditions. However, it is important to note that participants in the study consumed more cellulose gum per day than the average individual typically would. Overall, while cellulose is generally safe to consume, excessive intake may have adverse effects.
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It is a cheap filler, used to bulk up diet foods
Cellulose is a type of insoluble fibre that is a structural component of plant cell walls. It is a complex carbohydrate that is indigestible to humans. While cellulose does not provide any nutritional value, it is often added to food products as a cheap filler to bulk up diet foods.
As a bulking agent, cellulose provides a lot of volume to food. Since it is indigestible, it has no caloric value. This means that consumers can feel full physically and psychologically without consuming many calories, which can aid weight loss.
The thickening power of cellulose also allows for more air to be whipped into products such as ice cream or whipped toppings. This enables the production of thick and creamy food items without the use of as much fat.
Cellulose is also used as an anti-caking agent in powdered drink mixes, spice mixes, and shredded and grated cheeses. It helps to prevent clumping in shredded cheese and dried spice blends. In sauces, cellulose acts as an emulsifier, suspending ingredients within a solution and preventing water from separating out.
Additionally, cellulose can be used to increase the fibre content of drinks and other liquid items. Since it binds and mixes easily with water, it provides a smoother texture compared to regular fibre supplements.
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Cellulose may reduce the risk of diseases such as heart disease and gastric cancer
Cellulose is a type of insoluble fibre found in fruits, vegetables, legumes, whole grains, nuts, seeds, and other plant foods. It is a structural component of plants, forming their cell walls. Humans do not have the enzymes to break down cellulose, so it stays intact as it passes through our small intestine.
Cellulose has been linked to a reduced risk of several diseases, including heart disease and gastric cancer. Firstly, studies have shown that insoluble fibre can help prevent diverticular disease, a condition characterised by the development of pockets in the colon wall. Diverticular disease is more common in people with a low-fibre diet.
Secondly, cellulose is being developed as a drug carrier in the treatment of coronary heart disease. Coronary heart disease refers to the accumulation of lipid substances in the intima of the artery, causing blocked blood flow and angina pectoris. As a drug carrier, nanocellulose can be used to transport antiplatelet and anticoagulant drugs into the body, reducing the risk of cerebrovascular events caused by drug side reactions.
Additionally, cellulose is a common food additive in low-calorie and low-fat products. It adds bulk to these foods, making them more filling without increasing calories. This may help reduce the risk of heart disease, as calorie-restricted diets have been linked to an increased risk of depression, which is a risk factor for heart disease.
However, it is important to note that the long-term consumption of cellulose gum, a food additive, has been found to alter levels of beneficial bacteria and nutrients in the gut. This may promote chronic inflammatory conditions, including colitis, metabolic syndrome, and colon cancer. Therefore, individuals with health conditions affecting the digestive system, such as inflammatory bowel disease (IBD), should limit their cellulose intake.
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Frequently asked questions
Cellulose is a type of insoluble fibre that helps prevent constipation and reduces the risk of developing diverticular disease. It also helps defend against heart and digestive tract diseases.
The best sources of cellulose are seeds like hemp and flax, as well as whole grains, carrots, tomatoes, cucumbers, fruits, vegetables, legumes, nuts, and other plant foods.
It is recommended that adults consume at least 20-25 grams of dietary fibre per day, but this may vary depending on age, gender, calorie intake, and personal needs.
Lack of dietary cellulose can disrupt the diversification of intestinal microbiota, skew intestinal immune responses toward inflammation, and alter gene expression of intestinal epithelial cells. It may also increase the risk of developing "lifestyle diseases" associated with low-fibre diets, such as coronary heart disease, diabetes, and certain gastrointestinal disorders.
Any potential negative effects of cellulose are related to the overconsumption of fibre. Eating too much cellulose or taking cellulose supplements may lead to side effects such as intestinal discomfort or disturbed bowel movements. Therefore, it is important to drink plenty of water and exercise when increasing fibre intake.











































