Nutrition Supplement Retailers

Digestive Health Shopper

Research: Certifications

Dominant · SE Outbound Links ρ=0.370

AI recommendation signal analysis across 263 domains for the Digestive Health Shopper persona in Nutrition Supplement Retailers.

Link authority data (PageRank, harmonic centrality) comes from the Common Crawl web graph.

Download this report (.xlsx)

263Domains Tracked

8.5MReddit Posts

8,594Wikipedia Articles

992KOpen Web Matches

Digestive Health Shopper_persona.report

DomainScore

certifications.nutrasource.ca

1.0

scdprobiotics.com

0.4

nsf.org

0.2

specialtyenzymes.com

0.1

precisionnutrition.com

0.1

Domains rankedn = 25

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About This Report

How to use this page

Persona view: this page is scoped to this persona's queries alone.

Use Case

Choose credentials that matter

The certifications buyers and employers actually encounter in this industry. Decide which are worth earning or displaying, and which certified-provider directories you should appear in.

How It's Calculated

Where the numbers come from

We run certifications queries for this industry through Google and aggregate every result: domains by rank-weighted score (higher positions count for more) and appearance count, exact URLs by appearance count, and the most common title phrases.

Overview

What's on this page

Domain and URL charts, the full result list, and title n-gram tables.

Research

Research: Certifications

Domains appearing in Google results for Digestive Health Shopper's Research: Certifications queries. Score is a rank-weighted sum (higher-ranked appearances count for more); count is a plain appearance tally.

By Score

Top URLs

Individual pages (not just domains) ranked by the same rank-weighted score, labeled by page title.

By Appearance Count

All Results

Every result for Digestive Health Shopper's Research: Certifications queries, ranked by how many times each exact URL appeared (ties broken by average rank position, so appearing higher up wins), a different aggregation than the score-based charts above. Title and URL links open in a new tab.

Title	URL	Appearances	Domain PR	Domain HC	Host PR	Host HC

USA Contract Probiotic Supplement Manufacturer	https://vitaquest.com/probiotic-supplement-manufacturing-services/	2	14	95	10	94
An expert panel helps end users identify high quality ...	https://www.gutmicrobiotaforhealth.com/an-expert-panel-helps-end-users-identify-high-quality-probiotics/	2	21	95	0	93
Professional Certification in Probiotics in Food (CPBF)	https://igmpi.ac.in/certificate-in-probiotics-in-food	2	10	95	11	94
FAQs - cRc Consumer Kosher	https://consumer.crckosher.org/faqs/probiotics/	2	-	-	5	95
Descriptions of organizations offering third-party ...	https://www.researchgate.net/figure/Descriptions-of-organizations-offering-third-party-certification-services-for-probiotics_tbl1_332478434	2	66	97	33	95
Daily Requirement \| Certifications by Nutrasource	https://jeff.apextrials.com/quality-concerns/probiotics-quality-concerns/daily-requirement	2	-	-	-	-
Highest Potency Custom Probiotic \| Children and Adults	https://www.customprobiotics.com/	2	5	95	0	93
How many FDA approved Probiotics are there?	https://synapse.patsnap.com/article/how-many-fda-approved-probiotics-are-there	2	27	96	13	95
Quality Probiotic Manufacturing	https://www.sanzymebiologics.com/quality/	2	2	95	0	92
How to choose a probiotic using the supplement label	https://www.youtube.com/watch?v=uvVNF6Mei70	2	91	99	75	97
How to Pick the Right Probiotic- Gut Bacteria Overview	https://www.youtube.com/watch?v=fk3H0lgND0Y	2	91	99	75	97
Certified Manufacturing Excellence	https://www.robinsonpharma.com/certifications/	2	7	95	1	93
EXTRA STRENGTH PROBIOTIC lab certificates - ScanCheck	https://scancheck.app/brands/extra-strength-probiotic/	2	-	-	-	-
Search for NSF Certified Dietary Supplements	https://info.nsf.org/certified/dietary/	2	42	96	30	95
Probiotics and prebiotics Online Course with Certificate	https://londonspd.com/course/probiotics-and-prebiotics.html	2	0	94	0	93
Simple Probiotic Guide: Evidence-Based Protocol & ...	https://www.youtube.com/watch?v=reJb0tLITPc	2	91	99	75	97
IPRO	https://certifications.nutrasource.ca/about/how-certifications-work/IPRO	1	-	-	14	94
SCD Probiotics Certifications \| Probiotic Holdings	https://www.scdprobiotics.com/pages/certifications?srsltid=AfmBOoqetiBRG8ybfrJiaeJZWYSrcnyJxBuEo8ZVJWOdDLv9m5tsyOmY	1	9	95	0	93
12 Probiotics Brands Nutritionists Trust the Most	https://www.nsf.org/news/12-probiotics-brands-nutritionists-trust-most	1	42	96	15	94
The Highest Quality	https://specialtyenzymes.com/our-quality/	1	7	95	1	93
All about probiotics: How to get them from both food and ...	https://www.precisionnutrition.com/all-about-probiotics	1	30	95	5	94
Certifications Required for Probiotics in the U.S.	https://www.linkedin.com/pulse/certifications-required-probiotics-us-guide-investors-jose-eluani-ovunc	1	90	98	73	97
Probiotics - Health Professional Fact Sheet	https://ods.od.nih.gov/factsheets/Probiotics-HealthProfessional/	1	70	97	42	95
Our Certifications	https://www.gardenoflife.com/our-certifications?srsltid=AfmBOoobUg8jp11_jS4X79efY8L_SSUbZ0uYE2a_KTSd861rrPHk8nRv	1	22	95	1	94
International Scientific Association for Probiotics and ...	https://isappscience.org/	1	22	95	19	95
Top Probiotics Courses Online - Updated [June 2026]	https://www.udemy.com/topic/probiotics/?srsltid=AfmBOortgxKkUxnLLGPWXR-PArILNP8xlw4pxEcGY0DhMEJFiWtWsmNa	1	53	97	28	95
Our Certifications	https://www.gardenoflife.com/our-certifications?srsltid=AfmBOorrLnaP2HoX8us6CyYSHwqPAdZQT1QPr8ARn7VCv4FDe7_CTGn2	1	22	95	1	94
Probiotics Courses and Certifications	https://www.classcentral.com/subject/probiotics	1	45	96	41	95
Seed • Practitioner Program	https://seed.com/practitioners?srsltid=AfmBOopyOLLDcQgWCRgX1RfHbqgOxDUh5YMo2jsG5p9EJj1LA1agdi-O	1	27	95	25	95
Dietary Supplement Manufacturing - USP Verified Mark	https://www.usp.org/verification-services/verified-mark	1	36	96	6	94
Optibac Probiotics Database – Explore Researched Strains	https://www.optibacprobiotics.com/professionals/probiotics-database	1	17	95	0	94
6 Best Probiotic Supplements for 2026: Tested and Reviewed	https://www.healthline.com/nutrition/best-probiotic-supplement	1	58	97	23	95
How to choose a probiotic	https://www.youtube.com/watch?v=7MZWJCia8wA	1	91	99	75	97
Probiotics Testing Services	https://www.eurofinsus.com/food-testing/industries/probiotics/	1	34	96	0	93
What Third-Party Certifications Mean to Us	https://gardenoflifecanada.com/blogs/lifestyle/what-third-party-certifications-mean-to-us?srsltid=AfmBOoq9L24vhxkBWJYgXm-EJHsmnZz_WQSpxPZeQb3J_VF-9Grevtiv	1	8	95	6	93
Evidence-Based Use of Probiotics, Prebiotics and Fermented ...	https://ce.todaysdietitian.com/Probiotics2021	1	30	95	4	94
Probiotics	https://isappscience.org/topic/probiotics/	1	22	95	19	95
Culturelle® \| Trusted OTC Probiotic Supplement Brand	https://culturelle.com/?srsltid=AfmBOoqgupuLtFrsxseb2GU1AQ5VndAB7nszlDWdOVohvWms9bGgfwUZ	1	11	95	10	94
Certified Probiotic Manufacturer	https://www.uniquebiotech.com/probiotics/certified-probiotic-manufacturer	1	3	95	0	94
Best Probiotics Supplements	https://labdoor.com/rankings/probiotics	1	18	95	14	95
DuPont explores third-party certification of commercial ...	https://nutraceuticalbusinessreview.com/dupont-explores-third-party-certification-of-commercial-probiotics-155094	1	20	95	14	95
Specialty Enzymes & Probiotics \| NASC LIVE	https://www.nasc.cc/preferred-suppliers/http-www-specialtyenzymes-com/	1	20	95	10	94
Probiotic Testing	https://labtest-usa.com/food-and-beverage-testing/probiotic-testing/	1	0	0	0	0
Professional Food Probiotics	https://rapturebio.com/professional-food-probiotics/	1	0	93	0	0
Microbial - Certifications by Nutrasource	https://ifos.wequ.net/quality-concerns/probiotics-quality-concerns/microbial	1	-	-	-	-
Highest quality probiotics	https://www.wincloveprobiotics.com/quality/highest-quality-standards/	1	7	94	0	93
Probiotic Foods	https://www.bscg.org/probiotics	1	15	95	5	94
Seed • Our Science	https://seed.com/approach?srsltid=AfmBOorA5kyWhIeVZ6bj54_W8z4p6Huvrm7_r1yt0OF4csVhNqs77LQ1	1	27	95	25	95
Nutrition Masters Course: Probiotics	https://www.metagenicsinstitute.com/ce-education/nutrition-master-courses/probiotics/	1	6	95	0	93
Private Label Probiotic Manufacturing for Gut Health and ...	https://www.respectmanufacturing.com/feeds/service/private-label-probiotics	1	1	95	0	92
Deerland Enzymes & Probiotics Receives ISO Certification ...	https://www.nutraceuticalsworld.com/breaking-news/deerland-enzymes-probiotics-receives-iso-certification-for-quality/	1	22	95	0	94
NutraStrong™ Prebiotic Verified	https://prebioticassociation.org/nutrastrong-prebiotic-verified/	1	7	95	5	94
Probiotic Testing - AEMTEK - Ensure Potency & Purity Of ...	https://aemtek.com/services/expert-services-for-the-food-and-beverage-industry/probiotic-testing/	1	11	95	6	94
Choose Wisely, You Must Method Selection for Probiotic ...	https://www.youtube.com/watch?v=9zXFK-LSdSE	1	91	99	75	97
Seed • Our Science	https://seed.com/approach?srsltid=AfmBOorxEzGrcEf6VJDbf4Wd8uRxlFB-h7cdy4gS8CZRgAHt4Oc-4i0q	1	27	95	25	95
Probiotic Enumerations: The Basics	https://www.eurofinsus.com/food-testing/resources/probiotic-enumerations-the-basics/	1	34	96	0	93
Biosearch Life receives its first organic certification for ...	https://nutraceuticalbusinessreview.com/biosearch-life-receives-its-first-organic-certification-for-probiotics--169907	1	20	95	14	95
Criteria listed to further qualify bacteria as probiotics	https://www.nutraingredients.com/Article/2020/08/04/Criteria-listed-to-further-qualify-bacteria-as-probiotics/	1	32	96	4	94
Quality Standards & Testing	https://physicianschoice.com/pages/quality-standards-and-testing?srsltid=AfmBOopN6T0iD4MGQlJGIBQRiPsF5Yf21Lc_6NknnX_6mqQNedMObNkW	1	13	95	7	94
Organic Certification of "Probiotics" For Agriculture Use ...	https://www.prweb.com/releases/organic-certification-of-probiotics-for-agriculture-use-approved-805885192.html	1	51	97	11	95
Professional Certificate in Probiotic Supplements - Courses	https://certificates.uksm.org.uk/london/united-kingdom/Home/CourseDetails/4276250/professional-certificate-in-probiotic-supplements	1	0	93	1	92
How to Choose a Probiotic \| Dr. Janine	https://www.youtube.com/watch?v=Vx9Oy55lRR0	1	91	99	75	97
Specialty Enzymes & Probiotics Earns Organic Certification	https://www.prnewswire.com/news-releases/specialty-enzymes--probiotics-earns-organic-certification-301567011.html	1	64	97	18	95
probiotic applications in adult health	https://usprobioticguide.com/PBCAdultHealth.html	1	10	95	5	94
Specialty Enzymes probiotic strain achieves regulatory ...	https://www.petfoodprocessing.net/articles/20553-specialty-enzymes-probiotic-strain-achieves-regulatory-distinction	1	23	95	0	93
Dietary Supplements Verification Program	https://www.usp.org/verification-services/dietary-supplements-verification-program	1	36	96	6	94
https://www.amazon.com/ask/questions/TxM1IO1NTZEI39/?	https://www.amazon.com/ask/questions/TxM1IO1NTZEI39/?	1	77	97	54	96
Certifications	https://cblnaturalfoods.com/certifications/	1	2	94	0	93
IPRO \| Certifications by Nutrasource	https://jeff.apextrials.com/about/how-certifications-work/IPRO	1	-	-	-	-
Certification recent news	https://www.supplysidesj.com/supplement-regulations/certification	1	24	95	0	93
Certifications & quality marks	https://www.fieldstonwellness.com/certifications	1	-	-	-	-
Strain-level specificity critical for full compliance, NSF ...	https://www.nutraingredients.com/Article/2017/05/03/Strain-level-specificity-critical-for-full-compliance-NSF-probiotics-labeling-expert-says/	1	32	96	4	94
OLIPOP NutraStrong Prebiotic Verified Product Certification	https://drinkolipop.com/blogs/digest/olipop-achieves-nutrastrong-prebiotic-verified-product-certification?srsltid=AfmBOoqzje3YzEyX1imsIwtdZg5nqWatSO6c7rz-MryAolkY9ufy3dKK	1	28	95	20	95
USP Quality Standards for Probiotics: Benefiting Consumers ...	https://qualitymatters.usp.org/usp-quality-standards-probiotics-benefiting-consumers-academia-and-industry	1	36	96	13	95
Probiotics: How do you choose the right one? The Clinical ...	https://www.youtube.com/watch?v=s5aGQUjiB3Q	1	91	99	75	97
Do You Really Need a Probiotic? Evidence-Based Insights ...	https://www.youtube.com/watch?v=UU2VcD42JXw	1	91	99	75	97
https://probiotic-certification.com/	https://probiotic-certification.com/	1	0	95	0	92
Quality & Manufacturing	https://www.bioticsresearch.com/quality-and-manufacturing	1	14	95	1	93
Certification \| Microbiota.org	https://www.microbiota.org/certification	1	0	93	0	0
Minimum criteria for probiotics: ISAPP perspectives	https://isappscience.org/minimum-criteria-probiotics/	1	22	95	19	95
Pure Science	https://certifications.nutrasource.ca/certified-products/brand?id=PRSC	1	-	-	14	94
Professional Certificate in Probiotics in Infectious Disease P...	https://www.lsbrx.com/courses/professional-certificate-in-probiotics-in-infectious-disease-prevention	1	0	92	0	92
Top 9 Probiotic Foods \| Dr. J9 Live	https://www.youtube.com/watch?v=EMyDdHKfJMY	1	91	99	75	97

Phrase Frequency

Title N-Grams

Most common word phrases (2 to 7 words) across every result title for these queries.

2-grams

7	how to
5	a probiotic
4	for probiotics
4	probiotics in
4	third party
4	to choose
4	choose a
4	evidence based
4	certifications by
4	by nutrasource
3	probiotics and
3	probiotic supplement
3	in probiotics
3	specialty enzymes
3	enzymes probiotics
3	probiotic manufacturing
3	organic certification
3	the right
3	dietary supplements
2	highest quality
2	probiotics how
2	our certifications
2	probiotics courses
2	an expert
2	expert panel

3-grams

4	how to choose
4	to choose a
4	choose a probiotic
4	certifications by nutrasource
3	in probiotics in
2	an expert panel
2	expert panel helps
2	panel helps end
2	helps end users
2	end users identify
2	users identify high
2	identify high quality
2	usa contract probiotic
2	contract probiotic supplement
2	probiotic supplement manufacturer
2	faqs crc consumer
2	crc consumer kosher
2	descriptions of organizations
2	of organizations offering
2	organizations offering third
2	offering third party
2	professional certification in
2	certification in probiotics
2	probiotics in food
2	in food cpbf

4-grams

4	how to choose a
4	to choose a probiotic
2	an expert panel helps
2	expert panel helps end
2	panel helps end users
2	helps end users identify
2	end users identify high
2	users identify high quality
2	usa contract probiotic supplement
2	contract probiotic supplement manufacturer
2	faqs crc consumer kosher
2	descriptions of organizations offering
2	of organizations offering third
2	organizations offering third party
2	professional certification in probiotics
2	certification in probiotics in
2	in probiotics in food
2	probiotics in food cpbf
2	daily requirement certifications by
2	requirement certifications by nutrasource
2	choose a probiotic using
2	a probiotic using the
2	probiotic using the supplement
2	using the supplement label
2	highest potency custom probiotic

5-grams

4	how to choose a probiotic
2	an expert panel helps end
2	expert panel helps end users
2	panel helps end users identify
2	helps end users identify high
2	end users identify high quality
2	usa contract probiotic supplement manufacturer
2	descriptions of organizations offering third
2	of organizations offering third party
2	professional certification in probiotics in
2	certification in probiotics in food
2	in probiotics in food cpbf
2	daily requirement certifications by nutrasource
2	to choose a probiotic using
2	choose a probiotic using the
2	a probiotic using the supplement
2	probiotic using the supplement label
2	highest potency custom probiotic children
2	potency custom probiotic children and
2	custom probiotic children and adults
2	how many fda approved probiotics
2	many fda approved probiotics are
2	fda approved probiotics are there
2	extra strength probiotic lab certificates
2	strength probiotic lab certificates scancheck

6-grams

2	an expert panel helps end users
2	expert panel helps end users identify
2	panel helps end users identify high
2	helps end users identify high quality
2	descriptions of organizations offering third party
2	professional certification in probiotics in food
2	certification in probiotics in food cpbf
2	how to choose a probiotic using
2	to choose a probiotic using the
2	choose a probiotic using the supplement
2	a probiotic using the supplement label
2	highest potency custom probiotic children and
2	potency custom probiotic children and adults
2	how many fda approved probiotics are
2	many fda approved probiotics are there
2	extra strength probiotic lab certificates scancheck
2	how to pick the right probiotic
2	to pick the right probiotic gut
2	pick the right probiotic gut bacteria
2	the right probiotic gut bacteria overview
2	search for nsf certified dietary supplements
2	probiotics and prebiotics online course with
2	and prebiotics online course with certificate
2	simple probiotic guide evidence based protocol
1	12 probiotics brands nutritionists trust the

7-grams

2	an expert panel helps end users identify
2	expert panel helps end users identify high
2	panel helps end users identify high quality
2	professional certification in probiotics in food cpbf
2	how to choose a probiotic using the
2	to choose a probiotic using the supplement
2	choose a probiotic using the supplement label
2	highest potency custom probiotic children and adults
2	how many fda approved probiotics are there
2	how to pick the right probiotic gut
2	to pick the right probiotic gut bacteria
2	pick the right probiotic gut bacteria overview
2	probiotics and prebiotics online course with certificate
1	12 probiotics brands nutritionists trust the most
1	all about probiotics how to get them
1	about probiotics how to get them from
1	probiotics how to get them from both
1	how to get them from both food
1	to get them from both food and
1	certifications required for probiotics in the u
1	required for probiotics in the u s
1	top probiotics courses online updated june 2026
1	6 best probiotic supplements for 2026 tested
1	best probiotic supplements for 2026 tested and
1	probiotic supplements for 2026 tested and reviewed