Blog · Probiotics
Akkermansia: What the Research Shows, What It Doesn't, and What SlimTide's Label Leaves Out
Akkermansia muciniphila is a gut bacterium. The key human study was a 3-month pilot with 32 people taking about 10 billion pasteurized cells a day: insulin sensitivity improved, but the 2.27 kg weight difference was not significant. SlimTide lists Akkermansia in a 36 mg blend with no CFU count, and does not say whether it is live or pasteurized.
Written by the Slimtidebalance editorial teamUpdated · 9 min read
The basics
What is Akkermansia muciniphila?
Akkermansia muciniphila is a bacterium that lives in the gut's mucus layer. Researchers study it for insulin sensitivity and weight, but human data are still early.
SlimTide lists it as the third name in its 36 mg Probiotic Blend, next to Bifidobacterium infantis and Clostridium butyricum.
That placement matters. The label gives one weight for all three species together. It does not say how much of the 36 mg is Akkermansia. Our Akkermansia ingredient profile shows the label line in full.
The key study
What did the main Akkermansia human study find?
It found better insulin sensitivity, not significant weight loss. In a 2019 pilot, 32 adults with overweight or obesity who finished the study took Akkermansia or placebo for 3 months (Akkermansia pilot study (2019)).
| People who finished | 32 adults with overweight or obesity |
|---|---|
| Length | 3 months |
| Daily amount | About 10 billion (1010) cells |
| Form reported here | Pasteurized (heat-treated) cells |
| Insulin sensitivity | Improved about 28.6% versus placebo |
| Weight | 2.27 kg difference, not statistically significant (P=0.091) |
| Authors' own label | Exploratory and underpowered |
The insulin result is interesting. The weight result, often quoted, did not reach significance (Akkermansia pilot study (2019)).
Limits
What does the Akkermansia research not show?
It does not show that an Akkermansia supplement causes weight loss. It also says nothing direct about SlimTide.
One small pilot
A single 3-month study with 32 completers is a starting point. Larger trials are needed before firm claims.
A different form
The reported results came from pasteurized cells. SlimTide's label does not say whether its Akkermansia is live or pasteurized.
A known dose
The pilot counted about 10 billion cells a day. SlimTide prints no count, so there is nothing to match.
Strains differ
A benefit from one strain does not carry over to another (NCCIH: probiotics safety). No strain code is printed on SlimTide.
The FTC adds that studies of single ingredients may not support claims for a combination product (FTC: health claims need trials). SlimTide mixes Akkermansia with two other species and two fibers, and no trial of that mix is published.
The label
Why does a missing CFU count matter for Akkermansia?
One capsule, drawn to scale. The probiotic blend is the smallest slice, and the only one with no meaningful count.
- 347 mg
Everything listed in one capsule: 211 mg of chicory root inulin, 100 mg of potato resistant starch and a 36 mg probiotic blend.
- 311 mg
Total fiber per capsule. Chicory inulin trials used a median of 10 g a day (Meta-analysis: chicory inulin and weight (2024), trade report), more than 30 times this whole amount.
- 36 mg
The probiotic blend is printed by weight only. NIH ODS notes that weight can include dead cells and that CFU is the useful count (NIH ODS: probiotics).
Each line per capsule, as printed
- Chicory root inulin211 mg
- Potato resistant starch100 mg
- Probiotic blend (3 strains)36 mg, CFU not printed
Amounts from the Supplement Facts panel. The split between the three probiotic strains is not printed, so no strain gets its own bar.
A weight in milligrams does not tell you how many living microbes you get. NIH ODS says labels must list the total weight of microorganisms, which can include dead ones. Listing CFU, or colony-forming units, is voluntary, and it advises looking for CFU at the end of shelf life (NIH ODS: probiotics).
Experts agree. The ISAPP consensus says "probiotic" should mean products with defined strains and an adequate viable count at the end of shelf life (ISAPP: probiotic consensus (2014)). SlimTide names three species but gives no strain codes, no split and no count. The topic is covered in depth in probiotics, CFU and refrigeration.
Storage
Should you refrigerate a probiotic like SlimTide?
Yes, once it is open. The label says "Refrigerate for optimal quality", and the sales page says the fridge protects the probiotics after opening.
That fits the research. Probiotics can die during shelf life, and some need refrigeration (NIH ODS: probiotics). In a storage study, 4C kept bacteria alive better than 28C, and one of four products tested below its labeled count (Probiotic storage and viability (2018)).
NCCIH adds that some products contain microbes other than those on the label (NCCIH: probiotics safety). A printed count, checked at end of shelf life, is how you would know what is still alive.
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Do probiotics help with weight loss overall?
Only slightly, and not consistently. NIH ODS rates the effect of probiotics on body weight as inconsistent (NIH ODS: weight-loss supplements).
- 15 trials, 957 people: about 0.6 kg more loss than placebo, as reported (Meta-analysis: probiotics, 0.6 kg (2018), news report) (NIH ODS: weight-loss supplements).
- The newest review, 19 trials and 1,412 people: a 0.82 cm smaller waist but no change in weight or BMI (NIH ODS: weight-loss supplements).
- A 2019 meta-analysis: 0.94 kg, called "minor but consistent", and weaker when Iranian trials were removed (Meta-analysis: probiotics and weight (2019)).
For B. infantis and C. butyricum, the other two species in SlimTide, there is no weight trial of either species alone in our sources.
Safety
Is Akkermansia safe to take?
For some people, the risks rise. NCCIH says the risk of harm is greater with severe illness or a weakened immune system (NCCIH: probiotics safety).
In 2023 the FDA warned about probiotics given to hospitalized preterm infants, after one death and more than two dozen adverse events since 2018 (FDA: probiotics and preterm infants (2023)). SlimTide is for adults; keep it out of children's reach.
No drug interactions are listed in the sources we use. The label asks anyone with a known medical condition to consult a physician first.
What to ask
What should you ask before buying an Akkermansia product?
How many cells per capsule?
Ask for the CFU or cell count at the end of shelf life, not at manufacture.
Live or pasteurized?
The pilot's reported results came from pasteurized cells. The form should be stated.
Which strain?
Ask for the strain code, so you can match it to any published study.
How is the blend split?
For a shared blend, ask how much of the weight belongs to each species.
For SlimTide, call the order desk at +1 (302) 200-3480 or email [email protected]. If they publish answers, we will add them.
Our take
What does this mean for SlimTide?
Akkermansia science is promising but early. SlimTide names the species, which many products do not, and it asks for refrigeration. It does not say how much Akkermansia is inside or in what form, so the pilot's results cannot be applied to it.
FAQ
Akkermansia and SlimTide FAQ
What does Akkermansia muciniphila do?
It is a gut bacterium that lives in the mucus layer. In a 2019 pilot, about 10 billion pasteurized cells a day improved insulin sensitivity by about 28.6% versus placebo over 3 months. The weight change was not significant.
Does Akkermansia help you lose weight?
Not clearly. In the main human pilot, the 2.27 kg weight difference was not statistically significant (P=0.091), and the authors called the 32-person study exploratory and underpowered. Larger trials are needed before any weight claim.
How much Akkermansia is in SlimTide?
The label does not say. Akkermansia is one of three species in a 36 mg Probiotic Blend, with no split between species, no strain code and no CFU count printed. Ask the order desk for the count at end of shelf life.
Is the Akkermansia in SlimTide live or pasteurized?
The label does not say. The pilot's reported results came from pasteurized cells, so the form matters. Without it, and without a count, SlimTide's Akkermansia cannot be compared with the study.
Why is CFU better than milligrams on a probiotic label?
A weight can include dead microbes, while CFU estimates live ones. NIH ODS says CFU listing is voluntary and advises checking the count at the end of shelf life, since probiotics can die during storage.
Should Akkermansia supplements be kept in the fridge?
SlimTide's label says to refrigerate, and the sales page says to do so after opening. In one storage study, 4C kept bacteria alive better than 28C. Follow each product's label.
Who should not take Akkermansia?
Children should not be given it, and people who are seriously ill or have weakened immune systems face higher probiotic risks, according to NCCIH. Pregnant or nursing adults should ask a physician first, as SlimTide's label advises.
Who wrote this
Written and reviewed by
A small team that reads the SlimTide label line by line, checks every number against public health sources (NIH ODS, NCCIH, CDC, NIDDK, FDA, FTC) and published trials, and rewrites it in plain English. We do not write for the manufacturer, and we update a page whenever the label, the prices or the evidence changes.
Last updated . Read our editorial standards and how we check reviews. This website is run by a USA authorized retailer, not by the manufacturer. We earn money when you buy through our order links.
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