Data as of Aug 25, 2026 · Based on 661 AI responses · Shares cover the last 30 days · See how Parse measures this
Nutrition Counseling Diet Programs
Parse
https://parse.gl
| # | Brand | What AI says | Mention rate |
|---|---|---|---|
| 1 | A frequently cited source, though its dominance has faded significantly since December 2025. | 10% | |
| 2 | 10% | ||
| 3 | A key resource for professional guidance on safely conducting an elimination diet. | 7% | |
| 4 | Prominent source for gut | 6% | |
| 5 | 6% | ||
| 6 | 6% | ||
| 7 | 5% | ||
| 8 | 5% | ||
| 9 | 5% | ||
| 10 | 5% | ||
| 11 | 5% | ||
| 12 | 4% | ||
| 13 | 3% | ||
| 14 | 3% | ||
| 15 | 3% | ||
| 16 | 3% | ||
| 17 | Remains a stable, top-five source for definitions of diets and nutritional terms. | 3% | |
| 18 | 3% | ||
| 19 | 3% | ||
| 20 | A consistent authority on the benefits of dietary fiber and diet comparisons. | 3% | |
| 21 | 3% | ||
| 22 | 3% | ||
| 23 | 2% | ||
| 24 | 2% | ||
| 25 | 2% |
Who wins on each AI
The same market, seen by two models.
Sources AI cited
healthline.com is the page AI reaches for most here, cited in 56% of analyzed answers.
Dropped from rank #1 to #6 between December 2025 and January 2026.
Rose from rank #9 to #1 between December 2025 and January 2026.
Declined from rank #6 to #11 in the same period.
Jumped from rank #39 to #2, appearing as search links in Google's own responses.
| Brand | ChatGPT Search | Google AI Mode | Comparison |
|---|---|---|---|
| 2% | 9% | ||
| 8% | 0% | ||
| 0% | 2% | ||
| 0% | 2% | ||
| 0% | 2% |
Across 661 AI responses, Healthline is mentioned most, named in 10% of them, followed by NHS (10%) and EatRight (7%).
Parse measures each brand's mention rate — the share of answers naming it — across 661 AI responses to this market's buyer questions over the last 30 days. Answers are collected daily and the ranking is re-measured on the same 30-day window.
Brands enter the ranking when AI answers mention them. Parse collects answers daily and publishes the re-measured set weekly, so new brands appear as AI starts recommending them.
Early answers from ChatGPT heavily cited academic sources like Harvard University and
Johns Hopkins Medicine for food recommendations. By January,
Google AI Overviews began incorporating YouTube content and
Google search links. A running app, C25K - Couch to 5K, inexplicably became the top-cited brand on ChatGPT in early 2026.
Brands mentioned
C25K - Couch to 5KI'm trying to improve my gut health. What are the best foods to eat?
Early answers from ChatGPT heavily cited academic sources like Harvard University and
Johns Hopkins Medicine for food recommendations. By January,
Google AI Overviews began incorporating YouTube content and search links. A running app, C25K - Couch to 5K, inexplicably became the top-cited brand on ChatGPT in early 2026.
AI assistants consistently cite major medical institutions like Mayo Clinic and
Harvard University for practical tips on increasing fiber. In January 2026, ChatGPT's top-cited source briefly and unusually became the C25K - Couch to 5K app. Later responses in February and March also began to name specific supplement brands like Metamucil.
Brands mentioned
How can I add more fiber to my diet?
AI assistants consistently cite major medical institutions like Mayo Clinic and
Harvard University for practical tips on increasing fiber. In January 2026, ChatGPT's top-cited source briefly and unusually became the C25K - Couch to 5K app. Later responses in February and March also began to name specific supplement brands like Metamucil.