Is this product third party tested and by which lab?

Not sure if it's 3rd party tested, but I found it absolutely INEFFECTIVE for SIBO, IBS-C, Reflux, and colonic motility issues.

how many are there in 250 mg, billions or millions?

Millions or billions do not even apply to this product. It's off the charts for a healthy digestive tract when compared to what i think of as junk that you buy at your local pharmacy. Don't waste your money on those...Florastor really works. Recommended dosage is only recommended...my GI said one a day will do the job and it has for 5 years now after being sick for 18 months, 2 hospital stays and tons of antibiotics to get rid of my diverticulitis and c-diff.

How many cfu and how many strains are included in florastor?

From the Florastor website: In general, CFUs are a scientifically accepted unit of measure for bacterial probiotics. Bacteria-based probiotics often claim a specific number of CFUs for comparison between other bacterial probiotics. Unlike the vast majority of bacterial probiotics, Florastor contains a yeast probiotic. The average size of a single probiotic yeast cell is approximately ten times the size of a single probiotic bacterial cell. Because our probiotic yeast cells are very different from probiotic bacteria cells, Florastor probiotics are not measured in the number of colony forming units; we measure Florastor in milligrams instead. Each capsule, stick or sachet contains 250 mg of Saccharomyces boulardii CNCM I-745.

Why does it contain lactose?

Great question! The small amount of lactose or natural milk sugar is added to help our live yeast remain stable over time at room temperatures . So when consumed, Florastor’s freeze dried probiotic cells are viable to do their important work in the colon to support GI health. We want to point out that lactose is not an active ingredient of Florastor probiotics. The small amount of lactose is simply a part of the manufacturing process of the live microorganism. The active ingredient in Florastor is our probiotic strain: Saccharomyces boulardii I-745. In healthy volunteers Florastor can stimulates an increase of lactase, the enzyme which naturally breaks down lactose. With over 50 years of use worldwide, we do not see data showing a signal or trend in reporting of adverse reactions or side effects, from Florastor consumers sensitive to lactose. Thanks, the Florastor Team

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Reviews

H**N

Works wonders while on antibiotics

I’ve had to take a lot of antibiotics for mastitis while breastfeeding, and this stuff is an absolute life saver! It drastically reduced my symptoms while on the antibiotics and so far I have not gotten the dreaded c-diff even after taking some pretty potent antibiotics or combinations of antibiotics. I take it alongside a regular probiotic for an extra layer of protection. Highly recommend.

8.01.2026

S**H

Great probiotic!

Best probiotics I have ever taken. Have helped my gut issues tremendously!

7.02.2026

T**G

Worked Great

There is a lot of hype regarding probiotics these days. I have taken different brands/types of probiotics in the past, but these seem to work better than all of the others. I started taking Florastor after a round of anti-biotics created an intestinal infection. After a bit of research, I read that the unique probiotic strain in Florastor could possibly help restore your health gut flora. I don’t think that the hype around Florastor is bogus, as I truly believe that this product has helped me quite a bit. It may be slightly pricey compared to other probiotics, but to me it is certainly worth it.

17.11.2025

A**R

Excellent product.

My gastro doctor recommended this probiotic after hip replacement surgery. You get alot of antibiotics after this surgery and I had severe diarrehea. I've continued to use it every day and 2 a day if I'm on any antiobitics.

7.02.2026

C**S

Good but expensive.

Works well but costly.

14.08.2025

R**E

Good for use with antibiotics

Helped me get through a round of antibiotics with minimal tummy problems

29.01.2026

C**N

Works for what is labeled

It does what is says

12.02.2026

S**N

Good price

2.02.2026

P**Y

This product was for my partner, just to take day to day. Honestly, he has been super inconsistent with this product, overall feeling great and this may have contributed!

4.03.2024

D**S

Surpriingly, Saccaromyces Boulardi has not been a "mission accomplished". However, the health challenge has been there for a long time and S/B comes highly recommended.

11.05.2025

S**M

The after effect was really bad .

29.09.2022

L**S

El producto dice que trae 30 cápsulas por caja y solo trae 20

4.01.2026

N**M

The goods came recommended via YouTube and I understand why they seem to do very good job

23.04.2025

ASIN	B01NB0G1V8
Best Sellers Rank	#570 in Health & Household ( See Top 100 in Health & Household ) #4 in Acidophilus Nutritional Supplements #104 in Sales & Deals
Customer Reviews	4.6 4.6 out of 5 stars (15,736)
Date First Available	March 3, 2011
Is Discontinued By Manufacturer	No
Item model number	76936
Manufacturer	BioCodex
Product Dimensions	4.13 x 2.09 x 5.24 inches; 6.3 ounces

Probiotics for Digestive and Immune Health, 100 Capsules, Probiotics for Women & Men, Helps Flush Out Bad Bacteria, Boosts The Good with Our Unique Strain Saccharomyces Boulardii

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