seodata.dev

keyword

vitamin dietary supplement

Monthly search volume and cost-per-click data for "vitamin dietary supplement" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=vitamin+dietary+supplement&country=us" +--------------+------------------+ | volume | 2,400 | | cpc | $5.38 | | competition | 1 | | country | US | | updated | 2026-05-27 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
supplement 110,000 $4.88 20/20
supplements 110,000 $4.88 20/20
dietary supplement 74,000 $4.14 20/20
dietary supplements 74,000 $3.97 20/20
supplement and diet 49,500 $3.75 20/20
supplement dietary 33,100 $3.16 20/20
vitamin supplements 27,100 $3.91 20/20
food supplement vitamin 9,900 $3.79 20/20
nutritional supplements 8,100 $4.6 20/20
health supplements 5,400 $6.11 20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=vitamin+dietary+supplement&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt