Everything DoseRank tracks on the prebiotics shelf — Lacticaseibacillus rhamnosus. The category itself is never ranked: 150 products get scored the moment you say what you want them to do.
How to read the scores
This legend covers the scores on this page — for data sources, scoring weights, and limits, read the full methodology →
Answer a few questions about your goals, habits, stack, and budget. Then, DoseRank will find the products that best match your needs based on your answers. It's free and only takes 60 seconds! No account is required.
A saved, shareable breakdown: your matched products, dose math, interaction flags to discuss with a clinician, and a price-tracked stack you can revisit.
Questions
Each product gets a composite score blending clinical strength, evidence, dose fit, trust and value — computed for the goal you picked, across this category's products. The #1 on the DoseRank tab has the highest composite; the other tabs re-rank the same products by Value, Trust, or Popularity. Placement is never paid.
Start with a goal, not a brand
Browsing prebiotics supplements without a goal makes no sense — different products do different jobs, and “best” flips depending on which job you're hiring for. These are the 45 health outcomes that matter for this category. Pick yours, and the full evidence-ranked shelf loads for that goal alone.
Atopic dermatitis symptomsItching, rash, and inflammation related to eczema.84 rankedModerate-strong
Oral healthOverall condition of the mouth, teeth, and gums.30 rankedModerate-strong
Visceral fat massDeep abdominal fat associated with cardiometabolic risk.13 rankedLimited
Gastrointestinal infection incidenceFrequency of infectious GI illnesses.32 rankedModerate-strong
Microbiome diversityEcologic diversity of gut microbial communities.22 rankedModerate-strong
Abdominal painPain arising from the abdomen or digestive tract.67 rankedStrong
Urinary tract symptomsSymptoms involving urination or bladder discomfort.52 rankedStrong
Digestive comfortSubjective ease and comfort of digestion.102 rankedModerate-strong
ConstipationInfrequent, difficult, or hard bowel movements.120 rankedStrong
Stool consistencyForm or texture of stool.27 rankedModerate-strong
Common cold incidenceFrequency of upper respiratory infections resembling the common cold.77 rankedModerate-strong
SatietySense of fullness after eating.98 rankedModerate-strong
Inflammatory bowel disease activityClinical or biochemical activity of IBD.7 rankedModerate-strong
Perceived stressSubjective experience of stress or overload.35 rankedModerate-strong
Postprandial glucoseBlood glucose after meals.69 rankedStrongNothing is ranked yet — the shelf stays locked until you pick a goal.
No goal, no ranking.
A “best prebiotics supplement” list without a goal would be marketing, not evidence. Pick what you want to improve and DoseRank scores all 150 products against that goal's trials.