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What's the best biological age test?

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
1.2K
CPC
$0.31
Total est. value / mo
$23
Common ways people ask this (12)
  • What's the best biological age test for at-home use?
  • What's the best biological age test for clinical accuracy?
  • What's the best biological age test for affordability?
  • What's the best biological age test for tracking longevity over time?
  • What's the best biological age test based on blood samples?
  • What's the best biological age test based on saliva samples?
  • What's the best biological age test based on urine samples?
  • What's the best biological age test based on DNA methylation?
  • What's the best biological age test for beginners?
  • What's the best biological age test for a health optimization program?
  • What's the best biological age test for research use?
  • What's the best biological age test with fast results?

What ChatGPT actually answered

One of the 5 times we asked ChatGPT this, 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.

RankWebsiteAppearsEst. visits / moEst. value / mo
1 truage.com 5/5 25 $7
2 insidetracker.com 4/5 15 $4
3 aging.ai 3/5 10 $3
4 mybiologicalage.com 3/5 7 $2
5 viome.com 3/5 5 $1
6 agecalculator.com 2/5 4 $1
7 lifespan.io 2/5 3 $0
8 epicresearch.org 2/5 2 $0
9 nih.gov 3/5 2 $0
10 everlywell.com 3/5 1 $0
11 nature.com 2/5 1 $0
12 thorne.com 2/5 1 $0
13 functionhealth.com 2/5 1 $0
14 healthline.com 3/5 0 $0
15 glycanage.com 2/5 0 $0
16 webmd.com 3/5 0 $0
17 23andme.com 2/5 0 $0
18 mayoclinic.org 2/5 0 $0
19 biologicalage.com 2/5 0 $0
20 genovate.com 2/5 0 $0
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 →