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Optibac Probiotics: The UK's No.1 bestselling probiotic brand - Optibac — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Herbs And Supplements →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
optibac.net ↗	100 match 1 shared topics	Optibac Probiotics: The UK's No.1 bestselling probiotic brand - Optibac	United Kingdom~ en	herbs-and-supplements Storyblok	robotsllmsaihumans	emailphone	none
optibacprobiotics.net ↗	100 match 1 shared topics	Optibac Probiotics: The UK's No.1 bestselling probiotic brand - Optibac	United Kingdom~ en	herbs-and-supplements Storyblok	robotsllmsaihumans	emailphone	none
optibacprobiotics.org ↗	100 match 1 shared topics	Optibac Probiotics: The UK's No.1 bestselling probiotic brand - Optibac	United Kingdom~ en	herbs-and-supplements Storyblok	robotsllmsaihumans	emailphone	none
physicianschoice.com ↗	69 match 1 shared topics	The #1 Selling Probiotic on Amazon – Physician's Choice	en	herbs-and-supplements Shopify	robots llmsaihumans	emailphone	none
omnibioticlife.com ↗	68 match 1 shared topics	Omni-Biotic ® \| Highly Effective Probiotic Supplements	en	herbs-and-supplements Shopify X-Cart	robots llmsaihumans	emailphone	none
culturelle.com ↗	68 match 1 shared topics	Culturelle® \| Trusted OTC Probiotic Supplement Brand	en	herbs-and-supplements Shopify	robots llmsaihumans	emailphone	none
hyperbiotics.com ↗	67 match 1 shared topics	Hyperbiotics Probiotics \| Vital Nutrients Supplements	en	herbs-and-supplements Shopify X-Cart	robotsllmsaihumans	emailphone	none
7amprobiotics.com ↗	67 match 1 shared topics	Natural Probiotics Supplements Surrey, Vancouver	en	herbs-and-supplements WordPress WooCommerce	robotsllmsaihumans	emailphone	none
qi601.com ↗	67 match 1 shared topics	Microplastics Detox and Protection \| Qi601 Probiotic Shield	United States~ en	herbs-and-supplements Shopify	robots llmsaihumans	emailphone	none
biohmhealth.com ↗	67 match 1 shared topics	BIOHM Health \| Gut Health & Probiotic Supplements	en	herbs-and-supplements Shopify	robotsllmsaihumans	emailphone	none
championbiotics.com ↗	66 match 1 shared topics	Champion Biotics – Probiotic Liver Health Shots \| Alcohol Recovery Sup	en	herbs-and-supplements Shopify	robots llmsaihumans	emailphone	none
gutmateprobiotics.com ↗	66 match 1 shared topics	Gut Mate Probiotics	en	herbs-and-supplements BigCommerce	robotsllmsaihumans	emailphone	none
gutmatefiber.com ↗	66 match 1 shared topics	Gut Mate Probiotics	en	herbs-and-supplements BigCommerce	robotsllmsaihumans	emailphone	none
gutmate.com ↗	66 match 1 shared topics	Gut Mate Probiotics	en	herbs-and-supplements BigCommerce	robotsllmsaihumans	emailphone	none
qjyngz.com ↗	66 match 1 shared topics	Buy supplements \| probiotic supplements \| health supplements	en	herbs-and-supplements	robotsllmsaihumans	emailphone	none
shanfuu.com ↗	66 match 1 shared topics	Buy supplements \| probiotic supplements \| health supplements	en	herbs-and-supplements	robotsllmsaihumans	emailphone	none
gutvita-usa.com ↗	66 match 1 shared topics	Gut Vita® \| Official Site \| Digestive Support with Probiotics	en	herbs-and-supplements	robotsllmsaihumans	emailphone	none
cbdreleafnewport.com ↗	65 match 1 shared topics	CBD Releaf Newport - Selling the Best in CBD Products	en	herbs-and-supplements WordPress WooCommerce	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.