Vantage research · November 2026 · food
What AI cites for “vegetarian protein sources”
ChatGPT cited 8 sites, Gemini cited 0 sites, Perplexity cited 9 sites. No site was cited by all three.
Updated every 3 monthsNext edition 1 February 2027
ChatGPTGeminiPerplexity dots beside a site: the other engines that cite it too
ChatGPT
8 sites · opens with a sentence · has a table · opening 28 words
- nutrition.va.gov
- health.clevelandclinic.org
- nutritionletter.tufts.edu
- vrg.org
- extension.psu.edu
- webmd.com
- medlineplus.gov
- healthline.com
Brands namedTempeh, Seitan, Edamame, Lentils, Tofu, Chickpeas, Quinoa, Almonds
Since October: new nutrition.va.gov, health.clevelandclinic.org, nutritionletter.tufts.edu, vrg.org; dropped myplate.gov
Gemini
0 sites · opens with a sentence · has a table · opening 41 words
Answered from what the model already knows: no sites cited.
Brands namedSoy & Bean-Based Powerhouses, Tofu, Tempeh, Edamame, Lentils, Beans, Grains & Pseudograins, Seitan
Same sites as October.
Perplexity
9 sites · opens with a sentence · no table · opening 5 words
- healthline.com
- nhs.uk
- webmd.com
- myplate.gov
- health.clevelandclinic.org
- extension.colostate.edu
- bbcgoodfood.com
- health.com
- axahealth.co.uk
Brands namedLegumes, Seitan, Vegetables
Since October: new myplate.gov, extension.colostate.edu, bbcgoodfood.com, health.com; dropped betterhealth.vic.gov.au, nyp.org, rspca.org.uk, vegsoc.org
Cited by more than one engine
- health.clevelandclinic.org
- webmd.com
- healthline.com
Is your site one of them?
Ask your AI agent to run Vantage's analyze_citation_coverage for your domain and “vegetarian protein sources”, on all
three engines, and it will tell you whether you are cited, who is instead, and what changed since your last check.
More food questions
Each engine was asked once, in English, as from the United States, on 2026-11-01. Answers change from run to run, so read this as a snapshot. Download the data.