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When it comes to probiotics, it is not a question of 'one-size-fits-all'. At Optibac Probiotics, we specialize entirely in probiotics and use different strains for different groups of people and for different reasons. With our range of specialized probiotic supplements, we aim to offer each of our customers a specific supplement to suit their individual needs.
The term ‘probiotics’ is often used instead of the word ‘live cultures or good and friendly bacteria’. Examples of probiotics include microorganisms such as Lactobacillus acidophilus or Bifidobacterium infantis.
A strain is just a specific type of bacteria, in the same way that a Golden Retriever is a specific type of dog. Different manufacturers use different strains. Although these may be of the same species and genera; meaning that one acidophilus supplement is not equal to another acidophilus supplement. It is therefore best to choose a probiotic supplement that uses robust, well-researched strains.
The naming of bacteria can take some getting used to, so we've tried to explain it here as simply as possible, as it is so important! The strain name can tell you all about the research and mode of action behind the friendly bacteria. The name Lactobacillus acidophilus Rosell-52 tells you the name of the genus (Lactobacillus), the species (acidophilus) and the strain (Rosell-52) of the live cultures.
Many of our strain names include 'Rosell' as they originated from, and have been rigorously tested by Institut Rosell, one of the leading laboratories in the field. For further clarification, please see the relevant terms in our glossary: genus, species and strain or take a look at the 'The Strain Myth', both of which can be found in the Probiotics Learning Lab.
As well as selecting the optimum probiotics, it is important to consider the viability and efficacy of the strains themselves. Generally, the best strains tend to be the most well-researched, so look out for those with plenty of clinical trials investigating them.
The strains must be alive at the time of consumption and must survive the stomach acidity in order to reach the intestines. Optibac Probiotics strains undergo numerous in-vitro tests documenting their viability at room temperature and their ability to survive the acidic stomach environment and bile salts.
Friendly bacteria are all individual, and different strains have different modes of action in the body. Therefore, the best live cultures for you might not be the best for somebody else. In general, however, there are a few good ways to tell if a strain is high quality:
Not quite. Yogurts will always contain live bacteria (to different extents, according to various factors including pasteurisation, whether or not good bacteria have been added for nutritional value, and so on), and interestingly, it is the live bacterial cultures which help to convert milk into yogurt in the first place. However, probiotics can also be found in other foods such as sauerkraut, and they may be extracted from dairy and cultivated and multiplied to make a probiotic supplement.
They are often bacterial, but not always. It is also possible to have active cultures of beneficial yeasts, for example Saccharomyces boulardii.
At Optibac Probiotics, we specialise entirely in probiotics and all of our products contain various types of active cultures. We use different strains for different groups of people and for different reasons. We aim to offer each of our customers a specific supplement to suit their individual needs. When it comes to live cultures, it is not a question of 'one-size-fits-all'! Our range has something for everyone - find which one is right for you.
Bifidobacterium breve Rosell-70
Well-researched and proven to survive to reach the gut alive and support digestive health. Find this strain in Every Day.
Bifidobacterium lactis BB-12®
Thought to be the world's most well-researched strain of the entire Bifidobacteria genus, this strain helps to support digestive health and regularity. Find this strain in Bifido & Fibre.
Bifidobacterium lactis Bl-04®
Extensively researched for gut and immune health, and often trialled with B. lactis Bi-07® and L. acidophilus NCFM®. Find this strain in Every Day EXTRA and Every Day MAX.
Bifidobacterium lactis Bi-07®
Clinically researched for digestive and immune support, and proven to survive and reach the gut alive, alone or in combination. Find this strain in Every Day EXTRA.
Lactobacillus acidophilus La-14®
Well-researched in pregnant women and shown to reach the vagina alive, and support intimate health. Often trialled alongside Lactobacillus rhamnosus HN001. Find both of these strains in Pregnancy.
Lactobacillus acidophilus NCFM®
The most well-researched strain of L. acidophilus in the world, which helps with digestive discomfort and overall health. Find this strain in Every Day EXTRA and Every Day MAX.
Lactobacillus acidophilus Rosell-52
Often trialled with L. rhamnosus Rosell-11, this strain is well-researched and proven to reach the gut alive even during antibiotics. Find this strain in Every Day, For travelling abroad and One Week Flat.
Lactobacillus casei Rosell-215
Well-researched and proven to survive to reach the gut alive and support digestive health. Find this strain in One Week Flat.
Lactobacillus paracasei CASEI 431®
One of the most well-researched strains of Lactobacillus for immune health; described in over 80 scientific publications, and tested on thousands of people in over 20 clinical trials. Find this strain in Immune Support.
Lactobacillus paracasei Lpc-37®
Well-researched and proven to survive to reach the gut alive and adhere to the gut lining. Find this strain in Every Day EXTRA.
Lactobacillus paracasei F-19®
Clinically trialled to support intimate health. Find this strain in For Women.
Lactobacillus plantarum CECT 7527, L. plantarum CECT 7528 and L. plantarum CECT 7529
Usually researched as a trio and used alongside Omega-3 for maintaining healthy cholesterol. Find this strain in For Cholesterol.
Lactobacillus reuteri RC-14®and Lactobacillus rhamnosus GR-1®
Extensively researched for supporting vaginal health; mostly trialled as a pair, in 26 trials and in over 2,500 women. Find this strain in For Women.
Lactobacillus rhamnosus HN001
Highly researched in pregnant women, and shown to safely reach the gut and vagina alive. Often trialled alongside Lactobacillus acidophilus La-14®, it helps to support vaginal health. Find this strain in Pregnancy and Babies & Children.
Lactobacillus rhamnosus GG
The most scientifically studied strain in the world. Find this strain in Babies & Children.
Actually a transient yeast, S. boulardii boasts international acclaim for the support of occasional diarrhoea, and was introduced to the UK and Ireland by Optibac. This strain is found in For travelling abroad and Saccharomyces Boulardii.
In conclusion, it is very important to look at friendly bacteria on a strain-specific level, rather than only the genus and species of the microorganism in question.
Every friendly bacteria strain is unique, and this is also true of their origins. Saccharomyces boulardii, for example, is actually a yeast, and was originally derived from the lychee fruit. Bifidobacterium lactis HN019, on the other hand, was first extracted from a yogurt source. Many strains of friendly bacteria are known as 'human strains', this means they were initially isolated from healthy digestive tracts of humans and are natural residents of the gut! This doesn't, however, mean they are extracted from humans for commercial use or that probiotics you may take are directly taken from that source. In fact, the original strains are stored in microbiology 'banks' and future generations are cultured by scientists in laboratories.
You may also like to read: Which are the best probiotics?
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