Overview Leaderboard Methodology
Industry Report

Probiotics

Live bacterial and yeast formulations intended to support gut health, digestion, and immune function.

Brands tracked: 30
Brands analyzed: 30
Last updated: 2026-04-23
Model: OpenAI GPT-5
Prompts: 245
Total responses: 1,225
Top Brand Overall?
Culturelle
85/100

Highest overall AI Visibility Score in this industry.

LBA Leader?
Jarrow Formulas
81

Highest score on the LBA metric in this industry.

Authority Leader?
Culturelle
78

Highest score on the Authority metric in this industry.

TOM Leader?
Culturelle
100

Highest score on the TOM metric in this industry.

Culturelle is the default answer in AI responses for Probiotics

When users ask ChatGPT, Claude, or Gemini about Probiotics, Culturelle is the brand that surfaces first - unprompted, consistently, and usually at the top of any list the model generates. Align is a close second, but the gap between them is meaningful. If you're competing in this space and you're not in the top handful, you're effectively invisible to AI-driven discovery.

Brand Leaderboard All 30 Probiotics brands ranked

Ranked by overall AI Visibility Score (smoothed geometric mean of LBA, Authority, and TOM with an LBA-based floor on Authority and TOM, see methodology). Click any brand for the full report.

# Brand LBA Authority TOM Overall
1
Culturelle
culturelle.com
 78
78
100
85
2
Align
alignprobiotics.com
 80
41
83
65
3
Garden of Life
gardenoflife.com
 78
30
88
60
4
Seed
seed.com
 74
20
76
49
5
Florastor
florastor.com
 74
23
56
47
6
Renew Life
renewlife.com
 72
10
73
40
7
Jarrow Formulas
jarrow.com
 81
8
44
33
8
Visbiome
visbiome.com
 67
7
25
24
9
Klaire Labs
klaire.com
 66
7
18
22
10
Y
Yakult
yakult.com
 78
8
8
19
11
A
Activia
activia.com
 75
7
7
18
12
BioGaia
biogaia.com
 69
7
7
17
13
Optibac
optibacprobiotics.com
 67
7
7
16
14
VSL#3
vsl3.com
 64
6
6
16
15
OMNi-BiOTiC
omnibioticlife.com
 61
6
6
15
16
Pendulum
pendulumlife.com
 59
6
6
15
17
Bio-K+
biokplus.com
 57
6
6
14
18
GoodBelly
goodbelly.com
 55
6
6
14
19
Just Thrive
justthrivehealth.com
 54
5
5
14
20
Physician's Choice
physicianschoice.com
 55
6
6
14
21
Symprove
symprove.com
 54
5
5
14
22
Digestive Advantage
digestiveadvantage.com
 52
5
5
13
23
Dr. Ohhira's Probiotics
essentialformulas.com
 46
5
5
12
24
Natren
natren.com
 48
5
5
12
25
Hyperbiotics
hyperbiotics.com
 45
4
4
11
26
Custom Probiotics
customprobiotics.com
 37
4
4
10
27
Smidge
getsmidge.com
 34
3
3
9
28
Probio7
probio7.com
 27
3
3
7
29
ProVen
provenprobiotics.co.uk
 23
2
2
6
30
Lovebug Probiotics
lovebugprobiotics.com
 17
2
2
5

How is this calculated? Methodology

Every brand in this leaderboard is scored against the same set of 245 shared Probiotics prompts. The same prompts, same model, same iterations. So differences in scores reflect actual differences in AI visibility, not differences in measurement.

Overall AI Visibility Score
Smoothed geometric mean of LBA, Authority and TOM. Authority and TOM are floored at LBA × 0.1 before the geometric mean (the same floor used in the per-metric cards above, so brand cards and the composite tell the same story). Formula: composite = ((LBA + 5)(Authority + 5)(TOM + 5))^(1/3) - 5. The floor keeps brands the model clearly recognises but doesn't yet recommend from collapsing to zero, while a single genuinely weak metric still pulls the composite down. Full methodology.
Shared industry prompts
For Authority and TOM, all brands in the industry are scored against the same 245 category prompts (e.g. "best SEO tools for agencies"). This makes brand-to-brand comparisons valid - everyone faces identical inputs. LBA prompts are per-brand because they ask brand-specific questions.
Latent Brand Association (LBA)
5 brand probes + 1 control prompt, each run 5 times in recall mode (no web search). LBA = quality × meta × stability × share × recognition × 100. Read the full LBA methodology →
LLM Authority
50 organic category prompts (discovery, comparison, problem and transactional intents), each run once in recall mode and once in retrieval mode. Score = frequency × log-decayed prominence × intent weight, then 50/50 averaged across the two modes. Read the full Authority methodology →
Top of Mind (TOM)
15 high-volume discovery prompts (sourced from Keywords Everywhere search-volume data), each run 5 times in pure recall mode (no web). Score = frequency × (0.5 + 0.5 × log-prominence), volume-weighted. Read the full TOM methodology →