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What's the best biotin supplement?

A commercial recommendation prompt. We size how many people ask ChatGPT this from real search demand, then run it through ChatGPT to see which websites it recommends.

Est. people asking / mo
69K
CPC
$0.16
Total est. value / mo
$656
Common ways people ask this (12)
  • What's the best biotin supplement for hair growth?
  • What's the best biotin supplement for nails?
  • What's the best biotin supplement for skin?
  • What's the best biotin supplement for women?
  • What's the best biotin supplement for men?
  • What's the best biotin supplement for pregnancy?
  • What's the best biotin supplement for gummies?
  • What's the best biotin supplement for capsules?
  • What's the best biotin supplement for high potency?
  • What's the best biotin supplement for beginners?
  • What's the best budget biotin supplement?
  • What's the best biotin supplement without added sugar?

What ChatGPT actually answered

The 5 times we asked ChatGPT this, each answer verbatim. The leaderboard below aggregates all 5 runs.

Websites ChatGPT recommends for this prompt

Aggregated across 5 runs (min 2/5 appearances). Estimated visits split the prompt's demand by rank. Sites matching the prompt's own brand are marked branded and excluded from the leaderboard.

Arrows show each site's rank change since Jun 2026.

RankWebsiteEst. visits / mo
1 nih.gov 1.4K
2 ▲2 mayoclinic.org 825
3 ▼1 webmd.com 550
4 ▼1 medlineplus.gov 378
5 ▲1 healthline.com 275
6 ▼1 drugs.com 206
7 ▲5 wikipedia.org 151
8 ▲2 clevelandclinic.org 117
9 ▼2 verywellhealth.com 89
10 ▼1 rxlist.com 69
11 ▲2 msdmanuals.com 55
12 ▲2 ncbi.nlm.nih.gov 41
13 ▼5 mountsinai.org 34
14 ▲1 consumerlab.com 28
15 ▼4 nhs.uk 21
16 new britannica.com 17
17 new medicalnewstoday.com 14
18 ▼2 ods.od.nih.gov 10
19 ▼2 livestrong.com 8
20 ▼2 everydayhealth.com 7
How is this estimated?

ChatGPT doesn't publish prompts, so we don't show logged conversations. We measure real demand for this topic from Google search volume, scale it to ChatGPT's user base (on average about 1 ChatGPT user for every 8 Google searchers, a ratio that varies by topic), and run the prompt through ChatGPT 5 times to record which websites it recommends and in what order. Estimated visits split that demand across the recommended sites by a click-through-by-rank curve. Every number is a modeled estimate, not measured analytics. Full methodology →