Category AI Visibility Report
Calcium Supplements AI Visibility Report 2026: Top Brands & Buyer Topics in AI Search
Data updated 2026-08-27 · 30-day window · ChatGPT · Google AI Mode · Google AI Overviews
≈6,166
Est. AI queries / month
15
Buyer topics monitored
10
Brands on the AI shelf
Key insights
- Over the last 30 days, GEOly monitored 15 buyer topics in Calcium Supplements across ChatGPT, Google AI Mode, Google AI Overviews — an estimated 6,166 AI queries per month.
- Citracal leads the AI shelf with 11.7% of brand mentions, followed by Nature Made (9.5%) and Solgar (6.7%). The top three hold 27.9% combined — a shelf that has not consolidated yet, leaving a clear window for challengers.
- The highest-demand topic is “calcium supplements for menopause” (top keyword “menopause calcium supplements”, ~1,300 searches/mo).
- AI answers lean on nih.gov most (39.2% of citations) — earning presence on these sources is the shortest path to being recommended.
Brands AI recommends most
Share of brand mentions across AI answers in the last 30 days (Share of Model).
| # | Brand | AI mentions | Share |
|---|---|---|---|
| 1 | Citracal | 348 | 11.7% |
| 2 | Nature Made | 283 | 9.5% |
| 3 | Solgar | 199 | 6.7% |
| 4 | Pure Encapsulations | 163 | 5.5% |
| 5 | NOW Foods | 155 | 5.2% |
| 6 | Caltrate | 143 | 4.8% |
| 7 | Kirkland | 128 | 4.3% |
| 8 | Garden of Life | 127 | 4.3% |
| 9 | Solaray | 121 | 4.1% |
| 10 | Thorne | 101 | 3.4% |
What shoppers ask AI
Buyer topics monitored in this category, with estimated monthly AI queries and the top Google keyword behind each topic.
| Topic | Est. AI queries / mo | Top keyword | Search volume / mo |
|---|---|---|---|
| calcium supplements for menopause | ≈1,555 | menopause calcium supplements | 1,300 |
| calcium supplements for men | ≈1,549 | calcium supplements for men | 1,900 |
| liquid calcium supplements | ≈1,531 | calcium liquid supplements | 1,600 |
| vegetarian calcium supplements | ≈1,531 | vegetarian calcium supplements | 1,600 |
| calcium supplements with magnesium | — | magnesium and calcium supplement | 6,600 |
| best calcium supplements | — | supplements with calcium | 135,000 |
| calcium supplements for pms | — | calcium supplements for premenstrual syndrome | 1,600 |
| calcium supplements for osteoporosis | — | calcium supplements for osteoporosis | 40,500 |
| calcium carbonate supplements | — | calcium carbonate supplements | 14,800 |
| calcium supplements for pregnancy | — | calcium supplements pregnant | 4,400 |
| calcium supplements with vitamin d | — | calcium and vitamin d supplement | 9,900 |
| calcium supplements for women | — | calcium supplements for women | 9,900 |
| calcium citrate supplements | — | calcium citrate supplements | 33,100 |
| chewable calcium supplements | — | viactiv calcium chews | 3,600 |
| plant based calcium supplements | — | plant based calcium supplement | 8,100 |
Sources AI cites in this category
Root domains AI engines cited most when answering category queries in the last 30 days.
| Domain | Citations | Share |
|---|---|---|
| nih.gov | 705 | 39.2% |
| mayoclinic.org | 176 | 9.8% |
| verywellhealth.com | 149 | 8.3% |
| iherb.com | 96 | 5.3% |
| medlineplus.gov | 95 | 5.3% |
| bonehealthandosteoporosis.org | 85 | 4.7% |
| healthline.com | 84 | 4.7% |
| consumerlab.com | 64 | 3.6% |
Related category reports
FAQ
Which brands do AI assistants recommend most for calcium supplements?
Over the last 30 days the top brands by AI mention share are: Citracal (11.7%), Nature Made (9.5%), Solgar (6.7%), Pure Encapsulations (5.5%), NOW Foods (5.2%). Data from GEOly's continuous monitoring across ChatGPT, Google AI Mode, Google AI Overviews.
How many people ask AI about calcium supplements?
GEOly estimates ~6,166 AI queries per month in this category across 15 buyer topics, led by “calcium supplements for menopause”.
Which sources do AI engines cite for calcium supplements?
The most-cited domains are: nih.gov, mayoclinic.org, verywellhealth.com, iherb.com, medlineplus.gov. Building brand presence on these sources is the most direct way to win AI recommendations.
Methodology
GEOly continuously runs category buyer prompts across ChatGPT, Google AI Mode, Google AI Overviews and records which brands are mentioned and which sources are cited. Figures aggregate a 30-day window; AI query volumes are modeled estimates from keyword demand and AI-adoption share. Data: GEOly MCP Server, updated 2026-08-27.
See your brand inside this category
GEOly tracks how ChatGPT, Google AI Mode and Google AI Overviews mention, rank and cite your brand against every competitor above — and what to fix to win the AI shelf.