seodata.dev

keyword

best dietary supplements

Monthly search volume and cost-per-click data for "best dietary supplements" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=best+dietary+supplements&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $3.6 | | competition | 1 | | country | US | | updated | 2026-06-05 | +--------------+------------------+
All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
best supplements 12,100 $6.72 20/20
supplements best 12,100 $6.27 16/20
healthy supplements 5,400 $6.11 17/20
best vitamin supplements 2,900 $3.03 17/20
best vitamins and supplements 2,900 $2.93 16/20
best supplement vitamins 2,400 $3.27 17/20
everyday supplements 1,600 $6.59 19/20
daily supplements 1,600 $6.59 17/20
best supplements to take 1,600 $3.62 16/20
supplements for health 210 $2.46 16/20

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://api.seodata.dev/v1/keyword?q=best+dietary+supplements&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt