seodata.dev

keyword

supplement

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

$ curl "https://app.seodata.dev/v1/keyword?q=supplement&country=us" +--------------+------------------+ | volume | 110,000 | | cpc | $4.88 | | competition | 0.97 | | country | US | | updated | 2026-05-23 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
supplements 110,000 $4.88 20/20
dietary supplement 74,000 $4.14 20/20
dietary supplements 74,000 $3.97 19/20
nutrition supplements 22,200 $5.89 19/20
nutritional supplements 8,100 $4.6 20/20
health supplements 5,400 $6.11 20/20
vitamin dietary supplement 2,400 $5.38 19/20
food supplements 1,900 $3.37 18/20
what are supplements 1,600 $0.48 19/20
daily supplements 1,600 $6.59 18/20

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=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