Daily gut routine
NatureBell Probiotics 200 Billion CFU, 40 Strains
A two-capsule daily blend naming 40 organisms (four labeled postbiotic) with a three-fiber prebiotic blend and a five-enzyme blend, at one 200 billion CFU total.
- Format
- Capsule, once a day
- Type
- Probiotic, prebiotic, postbiotic and digestive enzyme
- Cost
- $0.22 a day
- Customer rating
- 4.6 out of 5 from 1,784 ratings from Amazon
What customers consistently report
- Better digestion and less bloating
- A long list of strains and a high CFU number at a low price per day
- Capsules that are easy to swallow with no smell or taste
Those are the themes that recur across the reviews. Moderate review confidence — Amazon shows 4.6 from 1,784 independent ratings, but the brand’s own review widget holds two reviews that are advertisements for an unrelated service, there is no Trustpilot profile for naturebellusa.com, and the Amazon seller is not tied to the brand on any page read.
Why it might work
The Bacillus, Bifidobacterium and Lactobacillus entries are thought to add to the gut’s own populations while taken, and the four postbiotic entries are inactivated cells with no live count. Psyllium, acacia and inulin are fibers that gut bacteria ferment, which the brand says feeds the probiotics, and fermentation can itself cause gas in some people. Bromelain, papain, amylase, protease and lipase are digestive enzymes that break down protein, starch and fat in food, but the label gives no activity units. The label does not let you check how many organisms of any species are in a capsule, whether they survive to expiry, or the dose of any fiber or enzyme.
What the research supports
No trial of this product was found, and none of the 40 organisms carries a strain designation, so no trial of a named strain can be tied to it. A 2023 review of 82 trials in 10,332 adults with IBS rated the certainty of benefit as very low for combination probiotics (global symptoms, pain and bloating) and for Bacillus strains (global symptoms and pain). The 150 mg prebiotic blend of psyllium, acacia and inulin is far below the gram-level doses used in fiber trials, and its split between the three is not printed.
What the label discloses
The label gives one 450 mg blend weight and one 200 billion CFU figure for 40 organisms, four of which are labeled postbiotic (non-viable), with no strains and no per-organism counts or statement of count at expiry. The listing shows a certificate-of-analysis graphic with pass marks for microbes and heavy metals but no laboratory name, lot number or count. The brand’s two refund pages state different terms (60 and 30 days).
Who this tends to suit
We match this product to people reporting bloating, gas, general abdominal discomfort and irregular bowel habits. It fits someone whose priority is day-to-day comfort or a steady daily routine. Whether it is the best fit for you depends on the rest of your answers — what you have already tried, what format you will take, and anything that has to be ruled out.
Where it may not fit
The label supports gluten-free and dairy-free. We flag this product for anyone pregnant or breastfeeding or taking prescription medication, and the quiz removes it rather than recommending it in those cases. That is a caution about who should be deciding, not a claim about the product. A capsule only works if you will take it once a day, every day.
Side effects and what to be aware of
About 3% of Amazon ratings are one or two stars. Amazon’s summary shows only 5 of 23 side-effect mentions as positive, with reviewers describing cramps, bloating, diarrhea and, once, fever, and a few report a rancid smell. The bottle says it is not intended for under-18s and to consult a healthcare practitioner if nursing, pregnant, taking medication or with a medical condition. The Amazon seller is not tied to the brand on any page read.
Common questions
Does NatureBell 200 billion probiotic work?
No trial of this product was found, and the label names 40 organisms by species only. A 2023 review of 82 trials in adults with IBS rated the certainty of benefit from combination probiotics as very low. On Amazon, 74 of 94 effectiveness mentions are positive and 80% of 1,784 ratings are five-star.
What strains are in NatureBell Probiotics 200 Billion CFU?
The panel prints 40 organisms by species, including 9 Bacillus species, 6 Bifidobacterium, Lactobacillus, Saccharomyces and Enterococcus entries and Clostridium butyricum, with no strain codes and no per-organism counts. Four (L. acidophilus, L. bulgaricus, L. reuteri, L. fermentum) are marked “(Postbiotic)”.
Are there side effects of NatureBell probiotics?
Amazon’s summary of 23 side-effect mentions is mostly negative: bloating, cramps, diarrhea and, in one case, fever. The bottle advises people who are nursing, pregnant, taking medication or with a medical condition to consult a healthcare practitioner first and says it is not intended for under-18s.
How much does NatureBell Probiotics 200 Billion cost?
A 240-capsule bottle is 120 servings of 2 capsules. It is $26.99 on Amazon, about $0.22 a day, and $34.95 on the brand’s site, about $0.29 a day.
Who makes NatureBell, and what is the refund policy?
The bottle lists a Montclair, California address. The brand states a 60-day money-back guarantee on its return page for purchases made on its own site, while its refund-policy page says 30 days. Amazon lists the probiotic as non-returnable. No Trustpilot profile was found, and the brand site’s review widget holds two reviews that advertise an unrelated service.
Before you take this. Speak to a doctor or pharmacist first if you are pregnant or breastfeeding, or taking prescription medication. Nothing on this page is medical advice, and no supplement diagnoses, treats, cures or prevents disease.
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Related reading
Background on how this type of product works, read from the trial evidence.