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Finding a High Quality Probiotic

Probiotics and vitamins on a pharmacy shelf

This article was originally published by the California Dairy Research Foundation, May 2017,  and is published with permission.

Among all the options for probiotics on store shelves, how can end-users spot a high-quality product? In today’s U.S. market, it’s not easy.

When looking for the right probiotic for you, ask yourself:

  • Do you have a specific health concern? If so, choose a probiotic that has been tested for this endpoint. Useful guides for this are Clinical Guide in USA and Practice Guideline on Probiotics and Prebiotics produced by the World Gastroenterology Organisation.
  • Do you prefer a food or a supplement? Both can be effective, it’s a matter of personal choice – but you need to choose good products.

But once you focus your search, how do you know if a product has what it says it has on the label and if it is manufactured under conditions that will assure product safety and stability? After all, probiotics need to be alive to work.

One help to end users is a valid quality mark. A quality mark is a seal from a third party organization that indicates the product passes that organization’s quality specifications. Similarly to how consumers know that any food with the Organic Food seal had to meet set requirements for pesticide use, soil and other growing techniques, a quality mark for probiotics can help consumers know that it meets certain quality benchmarks. This mark would only be displayed on probiotic products that meet stringent criteria for label accuracy and current good manufacturing practices. Such a quality mark is offered for dietary supplements by credible third parties, including United States Pharmacopeia and Underwriters Laboratory.

A quality mark as applied to a probiotic would provide assurance that:

  • The probiotic product label accurately reflects the genus, species and strain of all probiotics in the product
  • The level of probiotics indicated on the label will be maintained through the use-by date.
  • The probiotic product meets quality standards as related to any contaminants, including microbial pathogens.
  • The product has been manufactured under current GMPs

The problem is, there are no probiotics on the U.S. market today that display such a valid mark. Further, consumers are not aware of the significance of such a mark, so companies may not utilize them.

The value of such a quality mark, even for companies that responsibly label and manufacture their products, is that the assessment of quality by a third party gives consumers and healthcare providers independent assurance of the quality of the product. Today consumers and healthcare providers hear that dietary supplements are unregulated and of poor quality (See “Supplements Can Make You Sick”). Although FDA does regulate dietary supplements, their reach does not prevent poor quality products on the marketplace. Recent voluntary guidelines suggested by the Council for Responsible Nutrition and the IPA showed movement by industry to self-regulate regarding probiotic product quality.

Beyond the importance to everyday consumers, a quality mark would be useful to practitioners who use probiotics as part of medical practice. Such use occurs frequently in both hospitals and outpatient practice. But when used in at-risk populations, it is even more important that products are of high quality. (See “Probiotic use in at-risk populations”.)

The above applies to dietary supplements. What about probiotic foods? Foods are often labeled with little information about the probiotic content, especially with regard to strains and levels of live probiotics.

So what should the savvy consumer do? In the absence of third party labelling, consumers can use the suggestions developed by the International Scientific Association for Probiotics and Prebiotics. This page offers “Probiotics: A Consumer Guide for Making Smart Choices”, an infographic on probiotics and other useful information.

Mary Ellen Sanders
Mary Ellen Sanders
serves as Executive Science Officer for the International Scientific Association for Probiotics and Prebiotics. Mary Ellen will be leading the discussion on brain health and neurological diseases at the upcoming 2nd Probiotics Congress: USA.

Click here for more information on the 2nd Probiotics Congress: USA.

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