seodata.dev

keyword

best vitamins for immune system

Monthly search volume and cost-per-click data for "best vitamins for immune system" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=best+vitamins+for+immune+system&country=us" +--------------+------------------+ | volume | 3,600 | | cpc | $1.96 | | competition | 0.85 | | country | US | | updated | 2026-06-17 | +--------------+------------------+
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
immunity supplements 9,900 $2.5 20/20
supplement immune system 9,900 $2.5 20/20
supplements for immune system 9,900 $2.5 20/20
immune support supplement 8,100 $2.08 20/20
immune support supplements 8,100 $2.08 20/20
immunity vitamins 8,100 $1.59 20/20
vitamins for immune system 8,100 $1.59 20/20
immune boost supplement 5,400 $2.3 20/20
immune boosting vitamins 5,400 $2.66 20/20
immunity boost vitamin 5,400 $1.88 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://api.seodata.dev/v1/keyword?q=best+vitamins+for+immune+system&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