Outcomes Rocket analyzed 5,472 citations across four web-enabled AI models answering health-related prompts, and the results upend how healthcare brands think about content authority. Saul Marquez walks through why health media outcited peer-reviewed research, why 40% of citations came from 2025 content, and the twenty-minute audit that tells you whether AI systems can find your brand at all.
Key takeaways:
5,472 citations analyzed across ChatGPT, Claude, Gemini, and Perplexity on health-related prompts
Nearly 60% of citations came from summaries and health media rather than peer-reviewed research
Commercial and affiliate content (23%) outcited academic and research sources (under 25% combined)
40% of all cited sources were published in 2025, with sharp dropoff for older material
Forrester: 89% of B2B buyers use generative AI across every stage of the purchase process
Rock Health 2025: nearly a third of consumers use AI chatbots for health information, up 16% year over year
Do this today:
Run the AI Visibility Audit: type your buyer's category question into two or three chatbots and record whether and how you appear
Audit six months of content output; if more than 70% published on your own domain, fix distribution before producing more
Links:
- Read the complete article here

