Irritable bowel syndrome

Irritable Bowel Syndrome (IBS) is a common chronic condition which affects the large bowel. The main symptoms are abdominal cramping, abdominal pain, bloating, gas and at times either diarrhoea or constipation.

In Western countries, as many as 1 in 5 adults have signs and/or symptoms of IBS. Those affected are usually less than 45 years old, are twice as likely to be women and may well have other people in the family with the condition. It is a troublesome rather than a severe illness, but it is still important to see a doctor on a regular basis in order to make sure that there is nothing more serious going on.

Traditionally, people with IBS have been directed to increase their daily intake of dietary fibre and this is effective, particularly soluble fibre.

A review published in the World Journal of Gastroenterology considered 20 trials involving over 1,400 people. Many different probiotic strains were used in the trials, mostly Lactobacillus and related species, with Lactobacillus rhamnosus and Bifidobacterium infantis being used in more than one study. The review found that overall, use of probiotics led to a 23% chance of having an improvement in overall IBS symptoms. Mostly positive results were also seen in terms of symptoms, including abdominal pain, bloating/distension and flatulence.

Other natural products with positive research evidence that are worth trying, are peppermint oil and artichoke leaf extract. Artichoke leaf extract is an increasingly popular supplement for people with IBS, and the early trials have been encouraging. For example, a study with over 200 participants found that it relieved symptoms of IBS and improved quality of life. Peppermint oil has some effectiveness but can also cause side effects such as heartburn and bowel discomfort.

Considering the high safety level of probiotics, it is well worth trying a probiotic for relief of IBS symptoms.