“Lactococcus lactis?”Here!
Hasn’t appeared in a scanned product yet.
As a supplement
Talk to your doctor or pharmacist.
Roll Call does not check drug interactions or assess personal safety.
A species of lactic-acid-producing bacteria widely used in cheese and dairy fermentation, also sold in some supplements as a probiotic strain.
Why it’s used
Taken by some for general digestive or immune support, as with other probiotic bacteria.
What the evidence says
There is no NIH Office of Dietary Supplements fact sheet on this species specifically, and clinical research on Lactococcus lactis as an oral probiotic supplement (apart from its role as a food fermentation culture) is limited.
Where we looked
There was no paper to cite here, so this is the search instead — run it yourself and see what we saw.
- PubMed: 1118 records · searched September 2026
"Lactococcus lactis"[Title/Abstract] AND (review[pt] OR "safety assessment"[Title/Abstract] OR "risk assessment"[Title/Abstract] OR toxicology[Title/Abstract] OR toxicity[Title/Abstract] OR characterization[Title/Abstract] OR characterisation[Title/Abstract]) - PubMed: 39 records · searched September 2026
"Lactococcus lactis"[Title/Abstract] AND ("dietary supplements"[MeSH] OR supplementation[Title/Abstract] OR supplement[Title/Abstract] OR supplements[Title/Abstract] OR "oral administration"[Title/Abstract]) AND (randomized controlled trial[pt] OR clinical trial[pt] OR meta-analysis[pt] OR systematic review[pt]) AND humans[MeSH] - PubMed: 7075 records · searched September 2026
"Lactococcus lactis"[Title/Abstract]
This says what this database holds under these terms. It is not a finding that no research exists.
Context
Probiotic effects are generally understood to be strain- and dose-specific, and the research base for this particular species in supplement form is thinner than for more studied probiotic genera.
Rumors
Lactococcus lactis reduces bloating, gas and irregular bowel movements.
We haven’t found evidence strong enough to support this or rule it out.
What was measured is not yet noted.
Who’s saying this
- ALLMAX Nutrition — a brand: sells sports supplements
How we know who this is
- “ALLMAX Nutrition manufactures supplements to pharmaceutical-grade quality standards under cGMP-certified conditions.” (their page)
- ALLMAX Nutrition — a brand: sells sports supplements
Lactococcus lactis supplements support a healthy gut microbiome by keeping a balance of beneficial over harmful bacteria.
We haven’t found evidence strong enough to support this or rule it out.
What was measured is not yet noted.
Who’s saying this
- ALLMAX Nutrition — a brand: sells sports supplements
How we know who this is
- “ALLMAX Nutrition manufactures supplements to pharmaceutical-grade quality standards under cGMP-certified conditions.” (their page)
- ALLMAX Nutrition — a brand: sells sports supplements
Lactococcus lactis supplements can cause bloating, gas and digestive upset, and rarely allergic reactions.
We haven’t found evidence strong enough to support this or rule it out.
What was measured is not yet noted.
Who’s saying this
- ALLMAX Nutrition — a brand: sells sports supplements
How we know who this is
- “ALLMAX Nutrition manufactures supplements to pharmaceutical-grade quality standards under cGMP-certified conditions.” (their page)
- ALLMAX Nutrition — a brand: sells sports supplements
Lactococcus lactis does not produce histamine, so it is a suitable probiotic for people with histamine intolerance.
We haven’t found evidence strong enough to support this or rule it out.
What was measured is not yet noted.
Who’s saying this
- Medium — a platform — posts are by its users: publishing platform funded by paid memberships rather than ads
How we know who this is
- “Medium is a home for human stories and ideas.” (their page)
- “Instead of selling ads or selling your data, we’re supported by a growing community of over a million Medium members who believe in our mission.” (their page)
- Medium — a platform — posts are by its users: publishing platform funded by paid memberships rather than ads
Lactococcus lactis strengthens the immune system and reduces inflammation.
We haven’t found evidence strong enough to support this or rule it out.
What was measured is not yet noted.
Who’s saying this
- ALLMAX Nutrition — a brand: sells sports supplements
How we know who this is
- “ALLMAX Nutrition manufactures supplements to pharmaceutical-grade quality standards under cGMP-certified conditions.” (their page)
- ALLMAX Nutrition — a brand: sells sports supplements