Mentionable Index

Which sites does AI cite in Supplements & nutrition?

The index lists 35 domains cited in Supplements & nutrition. reddit.com leads with 222 citations, or 25% of those domains' citations.

Domains cited
35
Citations measured
878
reddit.com share
25%
Top 10 share
24%

How each engine cites in Supplements & nutrition

Citations of index domains per answer, against the same engine across the whole index. In the text of the answer: 72% in this sector, 73% across the index.

EngineCitations per answerIn the text
ChatGPT
ChatGPT
2.646%
Perplexity
Perplexity
5.7100%
Gemini
Gemini
0.399%
Google AI Mode
Google AI Mode
4.697%
Google AI OverviewAIO
Google AI Overview
1.7100%

Supplements & nutrition ranking

Ranked by number of citations recorded over the period.

And on your own prompts?

This ranking covers the whole Supplements & nutrition sector. Mentionable tracks your brand on your own prompts, every day.

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  • The exact URLs cited on your prompts
  • The brands recommended in your place
  • All 6 engines tracked every day
  • The prompts where you never show up
  • The sources to work on to get in
  • The questions AI engines actually ask

Frequently asked questions

Which website do AI engines cite most in Supplements & nutrition?

reddit.com comes first with 222 citations, followed by pubmed.ncbi.nlm.nih.gov (139), youtube.com (115), pmc.ncbi.nlm.nih.gov (60), and healthline.com (52).

Do you need mentions on many sites to be visible in AI answers in Supplements & nutrition?

Yes. The 10 most cited domains take only 24% of the citations: AI engines draw on 516 other sites in this sector.

Which AI engine relies on the most sources in Supplements & nutrition?

Perplexity, with 5.7 citations per answer on average, against 0.3 for Gemini. Across the whole index, Perplexity averages 5.1.

How do you get cited by AI engines in Supplements & nutrition?

Start with the sites AI engines already rely on in this sector, led by reddit.com, pubmed.ncbi.nlm.nih.gov, and youtube.com. A mention on those pages puts you where engines look for their answers. On your own prompts, Mentionable shows the exact URLs cited and the brands recommended in your place.

Methodology

ChatGPT
Gemini
Google AI OverviewAIO
Google AI Mode
Perplexity

2,379 AI responses analyzed across Supplements & nutrition, on 5 engines, from March 2026 to September 2026. Citations come from the prompts tracked on Mentionable.

Latest data point: . Updated weekly.

Full methodology

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