Which vitamin & supplement brands do AI assistants recommend in China? Q4 2026
In China, AI assistants most often recommend Swisse, BY-HEALTH and Blackmores for vitamins. Swisse is named by 5 of 5 assistants.
What the data says
Swisse (H&H Group) is the vitamin & supplement brand AI assistants recommend most in China, taking 18.5% of all recommendation points across 5 assistants. BY-HEALTH follows with 17.2% and Blackmores is third with 9.1%.
The top spot is close: only 1.3 points separate Swisse and BY-HEALTH, so a small change in how either brand is described online could flip the order.
DeepSeek puts Swisse first, while ChatGPT favours BY-HEALTH, Claude favours Thomaston, Gemini favours BY-HEALTH and Grok favours Winona.
The top five brands hold 56% of recommendations out of 51 brands named in total, leaving room for challengers to break into AI shortlists.
| # | Brand | Owner | AI share | ChatGPT | Claude | DeepSeek | Gemini | Grok |
|---|---|---|---|---|---|---|---|---|
| 1 | Swisse | H&H Group | 18.5% | 194 | 235 | 292 | 109 | 96 |
| 2 | BY-HEALTH | BY-HEALTH | 17.2% | 330 | – | 208 | 320 | – |
| 3 | Blackmores | Blackmores | 9.1% | 64 | 44 | 144 | 45 | 160 |
| 4 | Winona | Winona | 6.6% | – | – | – | – | 330 |
| 5 | Thomaston | Generic | 4.9% | – | 245 | – | – | – |
| 6 | Proya | Proya Cosmetics | 4.8% | – | – | – | – | 240 |
| 7 | Centrum | Haleon | 4.5% | 103 | – | 20 | 25 | 75 |
| 8 | GNC | GNC | 3.8% | – | 152 | 12 | 24 | – |
| 9 | Herbalife | Herbalife | 2.8% | 24 | 50 | 60 | 8 | – |
| 10 | Amway | Amway | 2.8% | 28 | – | 35 | 77 | – |
| 11 | Nature's Bounty | Nestlé | 2.8% | – | 100 | 24 | 16 | – |
| 12 | Caltrate | Haleon | 2.5% | 50 | – | 20 | 55 | – |
| 13 | Nutrilite | Amway | 2.3% | 116 | – | – | – | – |
| 14 | Cenovis | Sanofi | 1.2% | – | – | 60 | – | – |
| 15 | Fancl | Fancl | 1.1% | 36 | – | – | 20 | – |
| 16 | Ensure | Abbott | 1.1% | – | – | 20 | – | 35 |
| 17 | Pechoin | Shanghai Pehchaolin | 1% | – | – | – | – | 48 |
| 18 | Kirkland | Costco | 0.9% | – | 8 | 36 | – | – |
| 19 | Xiuzheng | Xiuzheng Pharmaceutical | 0.9% | – | 44 | – | – | – |
| 20 | Nestlé | Nestlé | 0.7% | 35 | – | – | – | – |
Questions about AI vitamin & supplement recommendations
- Which vitamin & supplement brand does ChatGPT recommend most in China?
- ChatGPT recommends BY-HEALTH most often for vitamin & supplement in China. Across all assistants, Swisse leads with 18.5% of recommendations.
- Which vitamin & supplement brand is improving fastest in China?
- Winona has the strongest momentum among challengers: AI names it first in 8 of 10 answers where it appears, while holding 6.6% 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.
Vitamins: AI rankings by country
Covers: Bone & Joint Supplements, Brain & Eye Supplements, Detox Supplements, Fat Burning Supplements, Hair Supplements, Heart Supplements, Mineral Supplements, Multivitamins, Nutritional Supplements, Skin Supplements.
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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