Which probiotics should you take for constipation?

Constipation and imbalance of the gut microbiota: a vicious circle?

When the microbiota becomes dysbiotic

Studied in detail for many years for its impact on general health and multiple diseases, the gut microbiota is one of the body’s key organs.

Composed of trillions of bacteria and as individually unique as a fingerprint, the microbiota is formed at a very early stage of development, from the first months of life, in order to achieve a symbiotic balance (1).

Problems arise when this balance is lost - when levels of certain bacteria become too low, and others too high. When such changes to the microbiota are the cause of digestive and extra-digestive diseases, it is referred to as dysbiosis.

Definition of constipation

Constipation is a gastrointestinal disorder characterised by difficulty passing stools, less frequent bowel movements or a feeling of incomplete emptying of the bowels. It can be due to a lack of fibre, fluid, physical activity, etc.

It is often accompanied by increased production of gas or bloating, caused in particular by a rise in bacterial fermentation.

To qualify as ‘chronic’, constipation must generally be present for several months.

Dysbiosis and chronic constipation may well influence each other

Unsurprisingly, studies have shown that sufferers of chronic constipation often present with dysbiosis, ie, an imbalanced gut microbiota (2). But it’s hard to know which comes first!

Current scientific knowledge suggests the two have a mutually influencing effect, creating a cycle in which:

• the dysbiosis aggravates the constipation (the imbalance in the microbiota affects intestinal motility or the absorption of nutrients);
• and the constipation aggravates the dysbiosis (the constipation slows down intestinal transit which can alter the intestinal environment and composition of its microbiota).

Probiotics and the microbiota

According to the World Health Organization (WHO), the term probiotics denotes dietary supplements that contain “live microorganisms which confer a health benefit on the host when consumed in adequate amounts” (3).

In fact, probiotics are composed of the same bacteria as those present in the microbiota. They are used for supporting the balance of the gut microbiota (4).

That’s why many studies have focused on evaluating the efficacy of probiotics, and certain strains in particular, in treating chronic constipation.

Which are the best probiotics for constipation and bloating?

Significant interest in Bifidobacterium longum

A 2017 meta-analysis, reviewing 9 randomised, placebo-controlled trials, suggests that probiotic administration significantly relieves constipation and bloating in older individuals (10%-40% of cases compared with control groups given a placebo).

The bacterial species most often tested was Bifidobacterium longum (which can be found in the supplement Bifidobacterium longum as well as in the formulation Colon Friendly where it is combined with other synergistic bacteria) (5).

Potential benefits of Bifidobacterium lactis for constipation

Another meta-analysis, conducted in 2010, which examined 5 randomised, placebo-controlled trials involving almost 400 patients, highlights other probiotic species (6):

• for constipation in adults, the data suggest positive effects on bowel movement frequency and stool consistency from supplementation with Bifidobacterium lactis, Lactobacillus casei Shirota and Escherichia coliNissle 1917. You can find Bifidobacterium lactis combined synergistically with other ‘friendly bacteria’ in certain probiotic formulations (such as Probio Forte);
• for constipation in children, casei rhamnosus has shown beneficial effects.

A note on studies into constipation relief and probiotics

Caution should be exercised, however, when interpreting these reports because of the diverse nature of the studies, populations and risk of bias. All the researchers confirm the need for further placebo-controlled trials in order to identify strains, doses and optimal supplementation duration. Ultimately, however, most of the studies agree on the potential benefits of probiotics for constipation.

Probiotics for irritable bowel syndrome, in which constipation and diarrhea can co-exist

Reminder about irritable bowel syndrome (IBS)

It’s also worth mentioning irritable bowel syndrome, which can cause constipation, diarrhea or a combination of the two. This condition (which seems to be becoming increasingly prevalent over time, particularly among Western populations) has been a key interest in medicine for some time.

Multi-strain probiotics have the edge

A meta-analysis from 2015, examining 15 clinical trials involving almost 1800 patients, points to beneficial effects from probiotics for this condition. It concludes that, compared with a placebo, probiotics reduce pain and symptom severity in IBS (7).

Another meta-analysis found that it was high-concentration multi-strain probiotics in particular, (such as Full Spectrum Probiotic Formula, which contains 20 strains powerfully-dosed at 36 billion CFU per day) which, by modulating the gut microbiota, may be effective in cases of IBS (8).

The yeast Saccharomyces boulardii and IBS

A meta-analysis from 2010 of 31 randomised, placebo-controlled trials involving over 5000 patients suggests that the yeast Saccharomyces boulardiioffers therapeutic efficacy in preventing diarrhea induced by antibiotics, as well as significant potential in treating IBS in general (and thus its associated symptoms such as constipation) (9).

This probiotic is also available in dietary supplement form (see Saccharomyces Boulardii).

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Saccharomyces boulardii

Saccharomyces Boulardii is a non-pathogenic probiotic yeast for gastrointestinal health

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Probio Forte

Probio Forte is a powerful blend of probiotics that restore gastrointestinal balance

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Bifidobacterium longum (BB536)

Bifidobacterium longum is a probiotic concentrate

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Colon Friendly

Combination of 4 probiotics to support gut health and combat irritable bowel syndrome (IBS)

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Full Spectrum Probiotic Formula

The ultimate probiotic formulation for your gut and immunity (20 synergistic strains)

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