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What's the best calcium and vitamin D?

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
1.5K
CPC
$0.24
Total est. value / mo
$22
Common ways people ask this (13)
  • What's the best calcium and vitamin D for adults?
  • What's the best calcium and vitamin D for women?
  • What's the best calcium and vitamin D for men?
  • What's the best calcium and vitamin D for seniors?
  • What's the best calcium and vitamin D for teenagers?
  • What's the best calcium and vitamin D for bone health?
  • What's the best calcium and vitamin D for daily supplementation?
  • What's the best calcium and vitamin D for calcium citrate?
  • What's the best calcium and vitamin D for calcium carbonate?
  • What's the best calcium and vitamin D for chewable tablets?
  • What's the best calcium and vitamin D for gummies?
  • What's the best calcium and vitamin D for lactose-intolerant people?
  • What's the best calcium and vitamin D for budget buyers?

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 nih.gov 5/5 30 $7
2 mayoclinic.org 5/5 18 $4
3 webmd.com 5/5 12 $2
4 medlineplus.gov 5/5 8 $2
5 healthline.com 5/5 6 $1
6 nhs.uk 5/5 5 $1
7 clevelandclinic.org 5/5 3 $0
8 drugs.com 5/5 3 $0
9 verywellhealth.com 5/5 2 $0
10 mountsinai.org 5/5 2 $0
11 hopkinsmedicine.org 4/5 1 $0
12 ods.od.nih.gov 4/5 1 $0
13 msdmanuals.com 3/5 1 $0
14 bonehealthandosteoporosis.org 4/5 1 $0
15 osteoporosis.foundation 3/5 0 $0
16 nutrition.org 3/5 0 $0
17 everydayhealth.com 2/5 0 $0
18 consumerlab.com 2/5 0 $0
19 eatright.org 4/5 0 $0
20 medscape.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 →