Which otc medicines brands do AI assistants recommend in Brazil? Q4 2026
In Brazil, AI assistants most often recommend Tylenol, Pepto-Bismol and Advil for otc medicines. Tylenol is named by 5 of 5 assistants.
What the data says
Tylenol (Kenvue) is the otc medicines brand AI assistants recommend most in Brazil, taking 7% of all recommendation points across 5 assistants. Pepto-Bismol follows with 5.1% and Advil is third with 4.8%.
The top spot is close: only 1.9 points separate Tylenol and Pepto-Bismol, so a small change in how either brand is described online could flip the order.
ChatGPT and DeepSeek put Tylenol first, while Claude favours Melatonin, Gemini favours Vicks and Grok favours Advil.
The top five brands hold 25% of recommendations out of 72 brands named in total, leaving room for challengers to break into AI shortlists.
| # | Brand | Owner | AI share | ChatGPT | Claude | DeepSeek | Gemini | Grok |
|---|---|---|---|---|---|---|---|---|
| 1 | Tylenol | Kenvue | 7% | 45 | 25 | 45 | 35 | 25 |
| 2 | Pepto-Bismol | Procter & Gamble | 5.1% | 25 | 25 | 8 | 35 | 35 |
| 3 | Advil | Haleon | 4.8% | 20 | 20 | 12 | 25 | 43 |
| 4 | Vicks | Procter & Gamble | 4.6% | 35 | – | 12 | 35 | 32 |
| 5 | ZzzQuil | Procter & Gamble | 3.9% | 25 | 12 | – | 35 | 25 |
| 6 | Mucinex | Reckitt | 3.8% | 25 | 20 | – | 25 | 25 |
| 7 | Claritin | Bayer | 3.8% | 25 | – | – | 35 | 35 |
| 8 | Allegra | Sanofi | 3.5% | 20 | 8 | 35 | 12 | 12 |
| 9 | Zyrtec | Kenvue | 3.4% | 35 | – | – | 25 | 25 |
| 10 | Imodium | Johnson & Johnson | 3.1% | 20 | 12 | – | 20 | 25 |
| 11 | Melatonin | Generic | 2.8% | – | 35 | 35 | – | – |
| 12 | Natrol | Aurobindo Pharma | 2.2% | 35 | – | – | 20 | – |
| 13 | Unisom | Sanofi | 1.8% | – | 8 | – | 25 | 12 |
| 14 | Panadol | Haleon | 1.6% | – | – | – | – | 40 |
| 15 | Gas-X | Haleon | 1.6% | – | 20 | – | – | 20 |
| 16 | Flonase | Haleon | 1.6% | 12 | – | – | 20 | 8 |
| 17 | Tums | Haleon | 1.5% | – | – | – | 25 | 12 |
| 18 | Benadryl | Johnson & Johnson | 1.4% | 8 | – | – | 8 | 20 |
| 19 | DayQuil | Procter & Gamble | 1.4% | – | – | – | – | 35 |
| 20 | Nature's Bounty | Nestlé | 1.4% | – | – | – | – | 35 |
Questions about AI otc medicines recommendations
- Which otc medicines brand does ChatGPT recommend most in Brazil?
- ChatGPT recommends Tylenol most often for otc medicines in Brazil. Across all assistants, Tylenol leads with 7% of recommendations.
- Which otc medicines brand is improving fastest in Brazil?
- Claritin has the strongest momentum among challengers: AI names it first in 2 of 3 answers where it appears, while holding 3.8% share. This is the first Q4 2026 reading; change over time will be shown from the next update.
- How is the ranking calculated?
- We ask each AI assistant the questions shoppers ask in each category and market, record the top five brands it names, and give 35, 25, 20, 12 and 8 points for positions one to five. Share is a brand's points divided by all points awarded.
OTC Medicines: AI rankings by country
Covers: Allergy Management, Cough & Cold Relief, Digestive Aids, Pain Relief, Sleep Support.
Method: each AI assistant is asked the shopper questions for every segment in the category and market; the top five brands named score 35, 25, 20, 12 and 8 points. Share is a brand's points divided by all points awarded. Rankings reflect AI answers, not sales.
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