Which diet & sports nutrition brands do AI assistants recommend in France? Q4 2026
In France, AI assistants most often recommend Isostar, MyProtein and Optimum Nutrition for diet & sports nutrition. Isostar is named by 4 of 5 assistants.
What the data says
Isostar (Nutrition & Santé) is the diet & sports nutrition brand AI assistants recommend most in France, taking 10.7% of all recommendation points across 5 assistants. MyProtein follows with 6.2% and Optimum Nutrition is third with 5.8%.
Isostar's lead over MyProtein is 4.5 points, a clear advantage in how AI shortlists the category.
Gemini puts Isostar first, while ChatGPT favours Feed, Claude favours Gatorade, DeepSeek favours Nutrimuscle and Grok favours MyProtein.
The top five brands hold 33% of recommendations out of 49 brands named in total, leaving room for challengers to break into AI shortlists.
| # | Brand | Owner | AI share | ChatGPT | Claude | DeepSeek | Gemini | Grok |
|---|---|---|---|---|---|---|---|---|
| 1 | Isostar | Nutrition & Santé | 10.7% | 60 | 25 | – | 70 | 59 |
| 2 | MyProtein | THG | 6.2% | 8 | 25 | 12 | 8 | 70 |
| 3 | Optimum Nutrition | Glanbia | 5.8% | 35 | 35 | 20 | – | 25 |
| 4 | Nutrimuscle | Nutrimuscle | 5.2% | – | – | 105 | – | – |
| 5 | Eric Favre | Eric Favre | 4.8% | 20 | – | 75 | – | – |
| 6 | Slim Fast | Glanbia | 4.1% | – | 35 | 12 | – | 35 |
| 7 | Overstim.s | Overstim.s | 4% | 28 | – | 28 | 24 | – |
| 8 | Arkopharma | Arkopharma | 4% | – | 25 | 35 | – | 20 |
| 9 | Clif | Mondelez | 3.8% | – | 35 | 20 | – | 20 |
| 10 | Gatorade | PepsiCo | 3.4% | 8 | 35 | – | – | 25 |
| 11 | EAFIT | EAFIT | 3.4% | 12 | – | – | 35 | 20 |
| 12 | Feed | Feed | 3% | 60 | – | – | – | – |
| 13 | Hydratis | Hydratis | 3% | 25 | – | – | 35 | – |
| 14 | Aptonia | Decathlon | 2.8% | – | – | – | 20 | 36 |
| 15 | Ensure | Abbott | 2.5% | – | – | – | – | 50 |
| 16 | Herbalife | Herbalife | 2.2% | 32 | 12 | – | – | – |
| 17 | PowerBar | Premier Nutrition | 2% | – | 20 | 20 | – | – |
| 18 | Modifast | Nutrition & Santé | 1.8% | 35 | – | – | – | – |
| 19 | Red Bull | Red Bull GmbH | 1.8% | – | – | – | 35 | – |
| 20 | Gerlinéa | Nutrition & Santé | 1.8% | – | – | – | 35 | – |
Questions about AI diet & sports nutrition recommendations
- Which diet & sports nutrition brand does ChatGPT recommend most in France?
- ChatGPT recommends Feed most often for diet & sports nutrition in France. Across all assistants, Isostar leads with 10.7% of recommendations.
- Which diet & sports nutrition brand is improving fastest in France?
- Nutrimuscle has the strongest momentum among challengers: AI names it first in 3 of 3 answers where it appears, while holding 5.2% 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.
Diet & Sports Nutrition: AI rankings by country
Covers: Energy Boosters, Hydration Supplements, Muscle Support Supplements, Weight Loss Aids.
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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