Is a higher CFU count better? [Medically Cited]

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Most people are confused when they read phrases such as 1 billion CFUs, 5 billion CFUs, etc. printed on the probiotic labels. Our brain automatically assumes that the one with a higher figure is better for us as we associate higher numbers with better quality on a subconscious level.

Probiotics are usually taken for improving the balance of good bacteria in our gut, as bacteria found in the human gastrointestinal tract play a crucial role in the digestion process and are also necessary for immunity against diseases (1). In this article, we will discuss if a higher CFU count better or not in a probiotic.

What is a CFU Count?

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CFU is an acronym and stands for colony-forming units, which can be understood as the number of bacteria in probiotics present in a single capsule or tablet. A CFU count gives you an idea of the viable bacteria contained in a single dose. 

Although the figures of 1 billion CFUs or 10 billion CFUs may seem quite large to someone who is not aware of biology, these are trivial if we consider that trillions of bacteria live within our gut and on the human body (2).

Most of these bacteria play an essential role in our biological processes, such as digestion, and even a slight imbalance can wreak havoc on our health with digestive issues. People usually assume that all bacteria are harmful to humans.

Still, nothing can be farther from the truth as several bacteria are essential for keeping us healthy in the absence of these, our body would have health problems on some crucial biological functions (3).

Is a Higher CFU Dose Probiotic better than the one with a lower CFU count?

Most people confuse higher Colony Forming Units with better quality and naively assume that a probiotic with 50 billion CFUs is much better than those with 5 or 20 billion CFUs.

Most probiotic products have between 5 to 20 billion CFUs per dose, and the ones with 50 billion CFUs are considered the strongest.

If you are taking probiotics for maintaining the balance of good bacteria in your gut, then a regular probiotic with a lower CFU count is perfectly ideal for your gut health.

Probiotics with higher count are only used by people suffering from specific ailments such as constipation, Irritable Bowel Syndrome or IBS, etc. and are not recommended for healthy people (4). 


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They often cause severe side effects in healthy people, such as stomach cramps, pain, etc. Few people would recommend high CFU probiotics to a person who has never tried any probiotic before. So, we can say that a probiotic choice largely depends on your individual goals as for most people, probiotics in the 5 to 15 billion CFU range are a good choice (5). 

Suppose you are suffering from specific ailments or health issues and want to help your condition with probiotics. In that case, you may go for a probiotic with a higher CFU as they tend to be more useful for treating specific health conditions. Probiotics in the 15-45 billion CFU range are the right choice in such a scenario.

Probiotic companies are also known for using high CFU numbers as a marketing tactic. Most first-time customers believe that the higher the count, the higher quality of the probiotic. Companies are aware of this and sometimes use higher doses to mislead uninformed consumers.

Conclusion

Higher Colony Forming Units = Better Quality is the most enduring myth about probiotics, and still, a considerable number of people believe in it. Probiotics with higher count may be better than those with low one in some cases, but the vast majority of people don’t need them.

Probiotics Gummies in the 1 to 15 billion CFU count are ideal for use as daily probiotic supplements. One can use them for the long term also without worrying about any severe side effects.

Probiotics like Live Well Pro 45 with a high CFU counton the other hand, are only recommended if the person is suffering from a health issue.

It would be best if you also kept in mind that probiotic supplements with a high CFU are sometimes much more expensive than those with low CFU, and a person is essentially paying more for the extra CFUs doesn’t even need in the first place. 

So, assess your situation before buying a probiotic and go for the one with a higher count only if you need it for your digestive and immune health. 

As always, make sure to consult with a medical professional. The content in this article is for informational purposes only and should not be taken as medical advice. I am not a doctor.

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