Flatulence Filtering Underwear
About Shreddies Flatulence Filtering Underwear
Shreddies underpants offer a solution for sufferers of functional bowel disorders such as IBS (Irritable Bowel Syndrome) and crohn's disease.
Anybody that suffers from flatulence problems will know of the social issues that it can cause. Shreddies flatulence filtering underwear are a serious medical solution to the relief of bad wind and work by passing the flatus odours through an activated carbon filter inside the underwear.
By passing the odours through the filter, the bad gas is then odour free and allows the wearer freedom from the problems it can cause in social situations.
All digestive disorders lead to bad gas; our patented filter underwear deodorize smelly wind using a flexible carbon filter.
There are many flatulence relief remedies on the market for Crohns disease, Dyspepsia, Colitis, IBS (Irritable Bowel Syndrome), IBD (Inflammatory Bowel Disease), food intolerances and digestive disorders. These include flatulence pills, charcoal tablets and other flatulence medicines, however Shreddies underwear are scientifically proven to filter bad odours.
Since there is no effective anti-flatulence treatment for sufferers of IBS (Irritable Bowel Syndrome), IBD (Inflammatory Bowel Disease) and Crohns disease, Shreddies offer a proven method of removing the odour of excessive bad gas.
In order for the underwear to be at their most effective, they must be close fitting. Because of this the men's pants also offer excellent testicular support, which is very helpful for supporting scrotal hernias or testicular hernias.
So how does this underwear filter flatulence?
Shreddies underwear features a special activated carbon back panel that absorbs flatulence odours. Due to its highly porous nature, the odour vapours become trapped and neutralised by the cloth, which is then reactivated by simply washing the garment.
Activated carbon cloth is used in chemical warfare suits which demonstrates just how effective it is at removing vapours. When it was originally invented, the carbon cloth was a heavy, non flexible woven material, but due to a recent innovation this activated carbon cloth is now a lot thinner and far more flexible, making it ideal for use in the new generation of chemical warfare suits and garments such as our underwear.
The activated carbon cloth in our underwear is not a small replaceable panel that needs changing regularly, but runs the full width of the back panel.
The underwear is designed to hug the body to give the carbon back panel a snug fit, forcing all flatulence odours to pass directly through it, allowing you to relax knowing there is no risk of any flatulence odours escaping.
Previous research performed by Dr Levitt and published in The American Journal of Gastroenterology found activated carbon underwear to be the most effective method of removing flatulence odours, but this analysis was conducted before Shreddies were on the market. The Textile testing department of DeMontfort University In the UK tested our new 100% activated carbon jersey cloth and presented their findings at The 86th Textile Institute World Conference 18 - 21 November 2008, Hong Kong. The ACC was found to remove sulphide and ethyl mercaptan so efficiently that it can filter odours 200 times the strength of the average flatus emmission. The fabric remains effective for the life of the garment (2 to 3 years) providing conditioner is not used, which clogs up the tiny pores.
The efficacy of the underwear is more dependant on fit than anything else. As long as the carbon back panel is held snugly to the body over the buttocks and under the gusset, flatulence will pass through the panel and be completely filtered. If the underwear are too large they are less effective as flatulence can escape in certain body positions and if the back panel is damp the carbon's pores are filled with water droplets and the filtration properties are markedly reduced. For this reason we recommend drying on medium heat in a tumble dryer or drying on a radiator.
For more information on the various styles which are designed to ensure that flatus passes through the filter and doesn't escape forward of the gusset please refer to our information on styles and sizes page. The male anatomy and variations in the size of genitals make achieving a snug fit under the gusset much more difficult, so we have designed styles which lift the genitals up and forward to achieve the best filtration in all body positions.
Who can benefit from Shreddies flatulence filtrating underwear?
Anybody who suffers from excessive or malodorous flatulence can benefit from Shreddies flatulence filtering underwear. Sufferers of IBS, Crohn’s Disease, Functional Dyspepsia, Hypersensitive Colitis, Peptic Ulcers or Food Intolerances often suffer from excessive flatulence due to the nature of their conditions.
Excessive flatulence can be extremely embarrassing for many people and can genuinely affect their quality of life. Many sufferers find themselves unable to take part in things that most people take for granted, be it going out for dinner, getting on an aeroplane or even simply socializing with others. Many find that the symptoms of their condition can hold them back at work, rendering them unable to meet their full potential.
In many cases, simply not having to worry about excessive flatulence can help to improve a persons condition. Anxiety can create chemical changes in your body which can affect your digestive system, exacerbating a persons condition.
Shreddies is for all these people, to give them the reassurance and confidence to go out and live their lives, free from the restrictions that excessive flatulence poses.
Due to the design of the Men’s Support Boxer and Adjustable Support Boxer, these styles can benefit patients suffering from hernias and scrotal hernias as they offer support that can help make the patient as comfortable as possible. Some of our customers have bought these styles for this exact purpose and have commented on how successful they are at giving them the support they need and thusly reducing pain.
Washcare Instructions
It is really important that you follow our recommended wash care guidelines. This is due to the construction and content of the fabrics used for our underwear.
Fabric conditioner is definitely not recommended for washing your Shreddies. This is because the Activated Carbon Cloth in the rear panel would become clogged and less effective.
It is imperative that you also tumble dry the pants on a MEDIUM temperature only or on a radiator as the carbon filter is most effective when thoroughly dry. However, a hotter tumble dry may cause shrinkage.
While Shreddies underwear can be washed using any laundry detergent, some contain additives that can clog up the activated carbon cloth in the rear panel of the garment. For this reason we suggest that detergents free of additives be used on our underwear.
Our recommendations:
- Dri Pak Soda Crystals (available at Tesco, Sainsburys and ASDA in the UK)
- Arm & Hammer baking Soda (available at Walmart in the USA)
What style and size of flatulence filtering underwear will be most suitable for me?
Shreddies flatulence filtering underwear comes in numerous styles to suit most tastes and body types. We have developed our underwear to hug the body to ensure the carbon back panel snugly fits the contour of the body. This forces all flatulence odours through the activated carbon ensuring that no flatulence odours can escape. This gives the wearer the confidence that they have complete protection.
UNDERWEAR STYLES
Mens
SUPPORT BOXERS The support boxers lift a man's package forward ensuring a snug fit under the gusset which provides excellent flatulence filtration and support. This patented technique has never been seen before. Simple mechanics lead us to anchor the testicular hammock from the hip using a taut waistband and lycra sling. Lifting the genitals up and forward from their usual position enables the carbon filter which continues as far forward as the scrotum to fit snugly against the skin. Flatulence odours are therefore forced to pass through it even when sitting with legs apart or slouching. Even the most malodorous flatulence will be completely filtered if it passes through the carbon filter.
ADJUSTABLE SUPPORT BOXER The adjustable boxers offer complete control over the level of support with an elastic strap which connects to the hips with button holes. The adjustable support ensures a snug fit around the gusset whatever shape and size the wearer is; meaning maximum flatulence filtration can be achieved. It is also possible to make your packet rise and fall, narrow and become more prominent depending on what you are doing varying from long car journeys, exercise or everyday social use. This adjustable method of support is also patented; nothing has been seen like it before. They are the most technically advanced mens underwear invented to date, using six different types of material and 15 separate panels to achieve optimum control.
HIPSTER Hipsters are a very popular contemporary style that offers good flatulence filtration and a very comfortable fit. The taut waistband and cotton lycra material provides greater support than ordinary underwear. The modal front pouch is very supple, feeling great against the skin and giving a very flattering profile. With a degree of lift, the carbon panel fits quite snugly between the legs giving good filtration in most body positions.
BRIEF This classic style offers good flatulence filtration so long as the wearer does not sit with their legs apart whilst flatulence is being expelled. The Briefs do offer a degree of support and the supple modal front pouch is revealing and flattering. Some men prefer briefs and so long as the wearer sits upright the briefs will give excellent flatulence filtration.
Ladies
LADIES BRIEF This is an everyday style of ladies brief that is very comfortable. The soft and supple modal fabric feels great against the skin resulting in a comfortable everyday style. All of the ladies styles give excellent filtration in all body positions.
HI-LEG BRIEF This sexy modern hi-leg brief is revealing and very flattering as they make legs look longer and more elegant. The hi-leg doesn't quite cover the buttocks revealing a little cheek which is very appealing. Flatulence filtration is excellent in all body positions.
SHORTIES This contemporary style looks sporty and offers an excellent level of comfort. Their broad design makes them similar to mini hot pants and ideal for sports. Flatulence filtration is excellent in all body positions.
All our flatulence filtering underwear comes in a range of sizes to suit all our customers.

The measurements for these sizes can also be viewed by clicking the i button next to the size selection drop down menu on the underwear pages.
If you are still unsure which style of flatulence filtering underwear is best for you, please feel free to contact our sales team who will be happy to advise you.
What is Flatulence?
Flatulence is produced by the digestive system as enzymes and bacteria break down carbohydrates and proteins in your food.
After food has been broken down and mixed up in the stomach, it is digested and absorbed in the small intestine. Anything that is left over, such as dietary fibre and some carbohydrates, pass into the large bowel. Any change in your usual diet can cause your body to produce more wind than usual. This is because the bacteria that live in our bowels get used to coping with whatever we eat on a regular basis, and have a bit more difficulty handling anything we're not used to.
If you regularly overeat then your stomach will have to work faster than normal, breaking down all the extra food, which can lead to more wind. Foods such as beans, cauliflower and cabbage contain insoluble fibre and take a long time to break down in the bowel, which can also trigger excess wind.
Certain foods, such as kidney beans and artichokes cause an overproduction of bacteria in the stomach, which can in turn lead to excessive flatulence. Food containing a lot of fibre such as baked beans and brown rice, and drinks such as beer and coffee can also contribute to flatulence.
Other foods that can cause flatulence in some people are lettuce, apples, turnip, lentils, parsnip, swede, onions, brussels sprouts, beans, garlic, leeks and products made with malt extracts.
Foods that are rich in sulphur such as cauliflower, eggs and meat are more likely to make the gas smelly. Bacterial fermentation in the colon can also cause smelly wind.
Medical conditions that can cause flatulence are:
- Irritable bowel syndrome (IBS),
- Crohn's Disease,
- Hypersensitive Colitis,
- Functional Dyspepsia,
- Peptic Ulcers
- Gastroenteritis,
- Diverticulosis or diverticulitis,
- Lactose Intolerance
- Coeliac disease,
- If your thyroid is not working properly,
- If your body is not absorbing food properly,
- If part of your intestine is blocked
Flatulence can also be an unwanted side effect of laxatives taken for constipation, antibiotics, certain medications, or from misuse of opiate-based medicines such as pethidine and morphine.
It has also been documented that high protein diets, favoured by some fitness enthusiasts and bodybuilders, can result in excessive flatulence. Many high protein foods cannot be fully digested and pass into the intestines where bacteria feeds upon it, generating gas. The same can also be said for the glucose in protein drinks and shakes.
Some vegetarians and vegans can find that due to eating large amounts of complex-carbohydrates, such as bananas, barley, beans, brown rice, chickpeas, lentils, nuts, oats, parsnips, potatoes, root vegetables, sweet corn and wholegrain foods, they too can suffer from excessive flatulence. Similar to high protein diets, due to an increased intake of fibre, some fibrous foods cannot be fully digested and pass through to the intestines where they ferment, causing gas to be created.
Some medications used to treat type 2 diabetes, such as Metformin, Glucophage, Acarbose, Precose, Miglitol and Glyset, have also been reported to cause excessive flatulence.
What causes flatulence?
Gastric Disorders
IBS
IBS or Irritable Bowel Syndrome is a chronic disorder that affects the digestive system. It causes abdominal pain, diarrhoea and constipation. For many sufferers this can then lead to excessive and malodorous flatulence.
The most common symptoms of IBS are:- abdominal pain and cramping,
- a change in bowel habits, such as diarrhoea and constipation,
- bloating and swelling of the abdomen,
- excessive wind or flatulence,
- experiencing an urgent need to go to the toilet,
- a feeling that you have not fully emptied your bowel
The symptoms of IBS can fluctuate and there are times when sufferers can experience particularly bad symptoms, and others when no symptoms are experienced at all. Although IBS in many respects poses no threat to health, it can have an adverse effect on a person’s quality of life. Stress caused by IBS can often exacerbate the condition. When you are feeling depressed or anxious, your body undergoes chemical changes and it is possible for these changes to affect how your digestive system works, making the symptoms of IBS worse.
Crohn's Disease
Crohn’s Disease is a condition that causes inflammation of the gastrointestinal tract (gut). The gut consists of the oesophagus (gullet), stomach, and small and large intestine. Crohn’s disease can affect any part of the gut. However, it most commonly occurs at the lower end of the small intestine, known as the ileum.
The symptoms of Crohn’s disease occur when the wall of the affected part of the gut becomes inflamed. The inflammation often causes one or more of the following symptoms:
- pain - different people will experience different severities of pain. The most common site of pain is in the lower end of the small intestine, and so the pain will often be on the lower right side of the abdomen,
- ulcers - a raw area of the gut that may bleed. If it does, you may notice blood in your stools,
- diarrhoea - can vary from mild to severe,
- feeling generally unwell - fever and extreme tiredness,
- loss of appetite and weight,
- anaemia
Some of these symptoms, like those found with many digestive disorders, can also lead to excessive and malodorous flatulence. Crohn’s disease can have an adverse effect on a person’s quality of life. Stress caused by Crohn’s disease can often exacerbate the condition. When you are feeling depressed or anxious, your body undergoes chemical changes and it is possible for these changes to affect how your digestive system works, making the symptoms worse.
Functional Dyspepsia
Functional Dyspepsia (or Indigestion) can be described as pain or discomfort in the upper abdomen. It is caused by stomach acid coming into contact with the sensitive, protective lining (mucosa) of the digestive system. The stomach acid breaks down the mucosa, causing irritation and inflammation, which brings on the symptoms of indigestion.
Mild Dyspepsia is a common problem and many people have it from time to time without needing to seek medical advice. However, in some cases it can be a sign of an underlying condition affecting the digestive system. It is therefore important to seek medical advice if you suffer from indigestion regularly, especially if it is particularly painful.
The main symptoms of Indigestion or Functional Dyspepsia are:
- nausea,
- a feeling of being very full,
- belching,
- excessive flatulence
Functional Dyspepsia, like many digestive disorders, can have an adverse effect on a person’s quality of life. Stress caused by Functional Dyspepsia can often exacerbate the condition. When you are feeling depressed or anxious, your body undergoes chemical changes and it is possible for these changes to affect how your digestive system works, making the symptoms worse.
Hypersensitive Colitis
Hypersensitive Colitis (or Ulcerative Colitis) is a long-term condition affecting the colon. The colon, also known as the large intestine, removes nutrients from undigested food and expels waste products through the rectum and anus when you pass stools. Hypersensitive Colitis causes the colon to become inflamed, and in severe cases, ulcers may form on the lining of the colon. These ulcers can bleed and produce mucus and pus.
Symptoms of Hypersensitive Colitis include bloody diarrhoea, abdominal pain, a frequent need to go to the toilet and weight loss. Some of these symptoms can also lead to excessive and malodorous flatulence.
Other common symptoms include:
- tiredness and fatigue,
- anaemia,
- fever,
- dehydration
Symptoms can vary from mild to severe. For some people the condition is a minor inconvenience, while for others it can seriously affect their quality of life. Stress caused by Hypersensitive Colitis, like many digestive disorders, can often exacerbate the condition. When you are feeling depressed or anxious, your body undergoes chemical changes and it is possible for these changes to affect how your digestive system works, making the symptoms worse.
Peptic Ulcers
An ulcer is a hole or sore in the lining of an organ. Peptic ulcer is the collective name given to ulcers that affect the digestive system, specifically the stomach and duodenum (the upper part of the small intestine).
Your stomach produces acid to break down and digest food. Although the acid is very strong, your stomach and duodenum are protected by a lining of protective mucus. However, if a part of the mucus lining in your stomach or duodenum is damaged, the sensitive tissue underneath is no longer protected. Stomach acid then comes into contact with your stomach wall or duodenum, which damages the area, causing an ulcer.
The most common symptoms of a Peptic Ulcer are:
- a pain like indigestion in your upper abdomen or lower chest,
- difficulty swallowing food,
- regurgitating food,
- feeling sick after eating and possibly retching,
- loss of appetite and weight loss
Peptic ulcers can occur due to other digestive illnesses, such as Crohn’s Disease or Functional Dyspepsia. These illnesses can often cause excessive or malodorous flatulence so it is likely that someone suffering from Peptic ulcers will also experience excessive or malodorous flatulence.
Peptic ulcers can have an adverse effect on a person’s quality of life. Stress caused by Peptic ulcers, like many digestive disorders, can often exacerbate the condition. When you are feeling depressed or anxious, your body undergoes chemical changes and it is possible for these changes to affect how your digestive system works, making the symptoms worse.
Food Intolerances
Food intolerance is an adverse reaction to some sort of food or ingredient that occurs every time the food is eaten, but particularly if larger quantities are consumed. This isn't the same as a food allergy, because the immune system isn't activated. Neither is it the same as food poisoning, which is caused by toxic substances that would cause symptoms in anyone who ate the food.
Obviously people can be intolerant to a large variety of different foods which can manifest themselves as many different symptoms. The most common food allergies are lactose intolerance and coeliac disease, an intolerance of a protein called gluten.
Lactose Intolerance
Lactose is a natural sugar found in milk. As well as being a good source of energy, lactose helps the body absorb a number of minerals, such as calcium and magnesium. In order for lactose to work effectively, it first has to be broken down into two simpler sugars, glucose and galactose. Once lactose has been broken down, it can pass from the gut into the bloodstream.
An intolerance to lactose means that the body is unable to break down lactose. The problem is usually caused by the lack of a substance known as lactase. Lactase is an enzyme that is normally produced by your small intestine. If your body produces very little, or no, lactase it will be unable to break down lactose in your system. The unabsorbed lactose then passes through your stomach and into your large bowel where it ferments, causing it to producing fatty acids and gases. This can cause symptoms such as stomach bloating and flatulence (wind).
The main symptoms of lactose intolerance are:
- flatulence,
- diarrhoea,
- bloated stomach,
- stomach pains,
- nausea
This can be a reaction to foods containing the milk of mammals, such as:
- dairy products,
- ice cream,
- salad cream and mayonnaise,
- biscuits,
- chocolate,
- boiled sweets,
- cakes
- peanut butter
Substituting fresh dairy products for fermented ones, such as probiotic yoghurts and milk, sour cream and hard cheeses, can in many cases help to lessen the symptoms. In more severe cases it is possible to get the calcium your body needs from foods such as broccoli, watercress, red kidney beans, cabbage, peas, celery or parsnips.
Coeliac Disease
Coeliac disease, also known as celiac disease, is a common bowel condition that is caused by intolerance to a protein called gluten. Gluten is found in wheat, rye and barley, which are often used to make foods such as bread, pasta and biscuits.
In people with Coeliac disease, their immune system mistakes gluten as being harmful and attacks it, damaging the lining of the intestines so that it cannot absorb food properly.
The main symptoms of Coeliac disease are:
- stomach pain,
- excessive flatulence,
- feeling bloated,
- diarrhoea,
- tiredness or weakness,
- mouth ulcers,
- weight loss,
- anaemia
This can be a reaction to foods containing gluten, such as:
- bread,
- pasta,
- cereals,
- biscuits or crackers,
- cakes and pastries,
- pies,
- gravies and sauces,
- oats
It is possible to get gluten-free rice, corn, soy and potato products from most supermarkets and most other food groups, such as dairy, fruit and vegetables, meat and fish do not often cause problems.
Food intolerances can have an adverse effect on a person’s quality of life. Stress caused by food intolerances, like many digestive disorders, can often exacerbate the condition. When you are feeling depressed or anxious, your body undergoes chemical changes and it is possible for these changes to affect how your digestive system works, making the symptoms worse.
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