What LLMs cite
Best professional dog probiotic for gut health and immune support
From recent prompt runs · United States · Updated September 11, 2026
GEOGrow tested this high-intent customer question across Gemini, ChatGPT, and Perplexity. Rankings below show which companies appeared most often in those responses — not who is independently the best.
Top brand
Purina Pro Plan Veterinary Diets FortiFlora
Leads across all key metrics
AI engines mentioning
2 of 3
Purina Pro Plan Veterinary Diets FortiFlora appears in 2 of 3 AI engines
#1 recommendations
2
Purina Pro Plan Veterinary Diets FortiFlora was the #1 recommendation twice.
AI answer share
67%
Purina Pro Plan Veterinary Diets FortiFlora appears in 67% of answers in our tests
Top AI Answers
Which companies appear most often in AI responses?
Updated September 11, 2026
| # | Company | AI engines mentioning | #1 recommendations | AI answer share |
|---|---|---|---|---|
| 1 | Purina Pro Plan Veterinary Diets FortiFlora Claim your company | 2 of 3 | 2 | 67% |
| 2 | Purina Pro Plan Veterinary Supplements FortiFlora Claim | 1 of 3 | 1 | 33% |
| 3 | Nutramax Proviable-DC Claim | 1 of 3 | 0 | 33% |
| 4 | Nutramax Laboratories Claim | 1 of 3 | 0 | 33% |
| 5 | Nutramax Proviable Claim | 1 of 3 | 0 | 33% |
| 6 | Visbiome Vet Claim | 2 of 3 | 0 | 67% |
| 7 | Zesty Paws Probiotic Bites Claim | 2 of 3 | 0 | 67% |
| 8 | Fera Pet Organics Probiotics Claim | 1 of 3 | 0 | 33% |
What Each AI Recommended
Recent answer snapshots by engine.
ChatGPT
- 1. Purina Pro Plan Veterinary Diets FortiFlora
- 2. Nutramax Laboratories
- 3. Zesty Paws Probiotic Bites
- 4. VetriScience Laboratories Vetri Mega Probiotic
- 5. Pet Ultimates Probiotics for Dogs
- 6. Nusentia Probiotic Miracle
+5 more in this answer
Gemini
- 1. Purina Pro Plan Veterinary Diets FortiFlora
- 2. Nutramax Proviable-DC
- 3. Visbiome Vet
- 4. Fera Pet Organics Probiotics
- 5. Vetoquinol Pro-Pectalin
- 6. Rx Vitamins Rx Biotic
+5 more in this answer
Perplexity
What LLMs cite
Sources cited in the most recent prompt runs for this question. The mix varies by engine.
- bestiepaws.com Vet-Recommended Probiotics for Dogs
- chewy.com What Are Probiotics for Dogs?
- facebook.com Proviable combines prebiotics and probiotics to support your pet's ...
- integricare.ca Best Dog Probiotics: Types, Pros, Cons, \u0026 More - Integricare
- northhoundlife.com Best Pet Probiotic: Your 2026 Guide to Gut Health
- petmd.com 9 Best Probiotics for Dogs in 2025
- thepetbench.com 5 Best Dog Probiotics for Gut Health
- vetriscience.com Duck-Flavored Probiotic Chews for Dogs
Who's Winning in AI?
AI Leaderboard · Based on this buyer question
Purina Pro Plan Veterinary Diets FortiFlora currently leads this conversation. AI visibility leadership is valuable — but competitive markets shift fast.
Purina Pro Plan Veterinary Diets FortiFlora currently leads this conversation.
- #1
- #2
- #3
- #4
- #5
- #6 Visbiome Vet 67%
- #7
- #8
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How We Measure AI Answer Share
AI Answer Tracker by GEOGrow measures how companies appear when high-intent customer questions are asked across supported AI platforms. Results are observational snapshots and can vary by model, location, personalization, source availability, and date.
AI Answer Share is weighted recommendation appearances divided by all possible recommendation opportunities. Rankings shown here represent the responses collected during the stated research period and are not endorsements by GEOGrow. Method: 3 independent AI observations.
- Question tested
- Best professional dog probiotic for gut health and immune support
- Market
- United States
- AI engines
- Gemini, ChatGPT, and Perplexity
- Research date
- September 11, 2026