Which diet & sports nutrition brands do AI assistants recommend in Vietnam? Q4 2026
In Vietnam, AI assistants most often recommend Herbalife, Optimum Nutrition and Pocari Sweat for diet & sports nutrition. Herbalife is named by 5 of 5 assistants.
What the data says
Herbalife is the diet & sports nutrition brand AI assistants recommend most in Vietnam, taking 16.8% of all recommendation points across 5 assistants. Optimum Nutrition follows with 10.8% and Pocari Sweat is third with 6.5%.
Herbalife's lead over Optimum Nutrition is 6 points, a clear advantage in how AI shortlists the category.
ChatGPT, DeepSeek and Gemini put Herbalife first, while Claude favours Optimum Nutrition and Grok favours Blackmores.
The top five brands hold 47% of recommendations out of 44 brands named in total, leaving room for challengers to break into AI shortlists.
| # | Brand | Owner | AI share | ChatGPT | Claude | DeepSeek | Gemini | Grok |
|---|---|---|---|---|---|---|---|---|
| 1 | Herbalife | Herbalife | 16.8% | 70 | 55 | 98 | 70 | 43 |
| 2 | Optimum Nutrition | Glanbia | 10.8% | 35 | 60 | 12 | 55 | 55 |
| 3 | Pocari Sweat | Otsuka Pharmaceutical | 6.5% | 35 | 35 | 35 | 25 | – |
| 4 | MuscleTech | Iovate Health Sciences | 6.5% | 25 | 12 | 47 | 20 | 25 |
| 5 | MyProtein | THG | 5.9% | 8 | 60 | – | 50 | – |
| 6 | Blackmores | Blackmores | 4.1% | – | – | – | – | 82 |
| 7 | Slim Fast | Glanbia | 3.6% | 25 | 8 | 20 | – | 20 |
| 8 | Ensure | Abbott | 3.6% | – | – | 37 | – | 35 |
| 9 | Gatorade | PepsiCo | 3.6% | 12 | 25 | – | – | 35 |
| 10 | BSN | Glanbia | 3.6% | 12 | 20 | 28 | – | 12 |
| 11 | Nutrex | Nutrex Research | 3.5% | – | – | 70 | – | – |
| 12 | Revive | Coca-Cola | 3% | 25 | – | – | 35 | – |
| 13 | Aquarius | Coca-Cola | 2.6% | 20 | 20 | – | 12 | – |
| 14 | Red Bull | Red Bull GmbH | 2.5% | 25 | – | – | – | 25 |
| 15 | Nature's Way | Schwabe Group | 1.8% | – | 12 | – | – | 24 |
| 16 | Dymatize | Post Holdings | 1.4% | 20 | 8 | – | – | – |
| 17 | Oronine | Otsuka Pharmaceutical | 1.2% | – | – | 25 | – | – |
| 18 | Vinamilk | Vinamilk | 1.2% | – | – | – | 25 | – |
| 19 | Optislim | Optislim Australia | 1.2% | – | 25 | – | – | – |
| 20 | Electrolyte | Independent | 1% | – | – | – | – | 20 |
Questions about AI diet & sports nutrition recommendations
- Which diet & sports nutrition brand does ChatGPT recommend most in Vietnam?
- ChatGPT recommends Herbalife most often for diet & sports nutrition in Vietnam. Across all assistants, Herbalife leads with 16.8% of recommendations.
- Which diet & sports nutrition brand is improving fastest in Vietnam?
- Pocari Sweat has the strongest momentum among challengers: AI names it first in 3 of 4 answers where it appears, while holding 6.5% 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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