Brand Investigations
Forensic reviews of 50 supplement brands — ownership, regulatory record, transparency, value, and customer patterns.
50 brands
- 77 AdequateNew 21st Century HealthCare "21st Century"
Budget supplement basics made in a certified facility, with limited batch information and formulas ranging from simple to sophisticated.
Apr 27, 2026
- 83 StrongNew Allergy Research Group ARG
Premium hypoallergenic supplements sold through health practitioners, with real testing signals, some public batch results, and old legal and regulatory issues.
Sep 28, 2025
- 82 StrongNew Bluebonnet Nutrition
Bluebonnet Nutrition is a premium natural-retail supplement brand with verified certified-facility manufacturing and strong forms, but no public batch test-results portal.
Apr 7, 2026
- 54 PoorNew BulkSupplements.com Hard Eight Nutrition LLC
A budget bulk-ingredient supplier with real NSF signals, strong prices, and clear verification and safety caveats.
Sep 30, 2025
- 83 StrongNew Carlson J.R. Carlson Laboratories, Inc.
A long-running omega-3 specialist with especially strong fish-oil testing, but less complete public verification across its full supplement catalog.
Sep 28, 2025
- 69 MixedNew Clear Formulas
Low-cost supplements sold on marketplaces with decent labels, strong prices, and limited verification.
Jun 30, 2026
- 60 MixedNew Core Nutritionals
Formula-focused sports nutrition with clear labels but limited public lab-verification results.
Sep 28, 2025
- 74 AdequateNew Country Life Vitamins Country Life, LLC
A long-established supplement brand with many certifications and strong gluten-free credibility, but limited public test results for each batch.
May 10, 2026
- 69 MixedNew CytoSport Muscle Milk
Mainstream sports protein with NSF-verified powder, good value, and a messy but mostly historical transparency and safety record.
Jun 30, 2026
- 80 StrongNew Designs for Health DFH
Premium practitioner-sold supplements have strong quality systems, good sampled third-party testing, and high prices; best with practitioner support.
May 3, 2026
- 82 StrongNew Doctor's Best
Value-priced: strong branded-ingredient formulas and a good independent sampling record, but weaker public batch transparency than top brands with certifications.
Mar 28, 2026
- 75 AdequateNew Double Wood Supplements
Mid-priced, single-ingredient supplements with easy access to batch test results, but gaps in regulatory and community trust.
Sep 30, 2025
- 81 StrongNew Douglas Laboratories
Premium supplements sold through health practitioners, with strong facility checks, few public batch test results, and prices justified by quality infrastructure.
Jun 30, 2026
- 63 MixedNew Dr. Mercola / Mercola Market supplements
Premium, polarizing alternative-health brand with NSF certification on selected products, limited batch-test transparency, and significant regulatory concerns over its claims.
Oct 6, 2025
- 76 AdequateNew Enzymatic Therapy
An established digestive and specialty supplement line with strong current manufacturing, moderate formula evidence, and real past regulatory issues.
Jun 30, 2026
- 86 StrongNew Gaia Herbs
Premium herbal supplements with strong testing and sourcing signals, high prices, and no current public access to batch results.
Jun 30, 2026
- 68 MixedNew Garden of Life
A premium organic brand with strong NSF verification, but not a low-risk choice for every product.
Jun 30, 2026
- 54 PoorNew GNC, Supplements Division General Nutrition Centers
A mass-market supplement giant with some strong sports formulas, but less transparency, a weaker safety record, lower value, and poorer service than premium brands.
Mar 27, 2026
- 81 StrongNew Jarrow Formulas
Strong mid-priced, science-focused brand for selective probiotics and premium-ingredient formulas, but not a leader in publishing public test results.
Sep 28, 2025
- 57 PoorNew Kirkman Kirkman® / Kirkman Laboratories / Kirkman Group
Specialty hypoallergenic supplement brand with strong testing claims, but under serious recent FDA scrutiny over drug manufacturing.
Sep 28, 2025
- 90 ExcellentNew Life Extension
Strong value and deep formulas, with real third-party signals, but no public batch-test portal and an older FDA claims warning.
Apr 9, 2026
- 85 StrongNew Momentous Project One Nutrition, Inc. dba Momentous
Premium supplements for athletes with unusually strong independent testing, but high prices and subscription hassles.
May 10, 2026
- 66 MixedNew Natrol
Leading mass-market sleep brand made in a certified facility with strong value, but limited batch test results and recurring concerns about claim evidence.
May 2, 2026
- 80 StrongNew Nature Made
A drugstore staple with many USP Verified products and strong quality for the price, but no public test results for each batch or banned-substance certification.
Sep 28, 2025
- 75 AdequateNew Nature's Answer
A long-established mid-tier herbal brand with verified good manufacturing practices, strong extract expertise, and useful but not leading transparency.
Apr 12, 2026
- 69 MixedNew Nature's Bounty
A mainstream, value-focused vitamin brand with strong facility credentials for good manufacturing practices, but less public batch transparency and weaker review trust.
Jun 30, 2026
- 66 MixedNew Nature's Plus supplements
A long-established natural-products brand with strong specialty formulas, average-to-good manufacturing evidence, and less information about each batch.
Jun 30, 2026
- 66 MixedNew Nature's Truth
Mid-priced supplements sold in mass retail, with genuine NSF marks, good sale prices, and recent concerns about label accuracy.
Sep 28, 2025
- 72 AdequateNew Nature's Way
Nature’s Way is a credible mainstream herbal and vitamin brand with strong testing disclosures, uneven formula transparency, and old but relevant regulatory baggage.
Sep 28, 2025
- 87 StrongNew Nootropics Depot
Premium nootropics and specialty supplements with high transparency, strong batch test results, and a serious past regulatory issue.
Sep 29, 2025
- 84 StrongNew Nordic Naturals
Premium omega-3 specialist with rare publication of batch test results and NSF verification, plus recent recalls, litigation risk, and high cost per gram.
Jun 30, 2026
- 87 StrongNew NOW Foods
A good-value supplement workhorse with strong testing systems but limited public test results for each supplement batch.
Oct 5, 2025
- 90 ExcellentNew NutraBio
Premium sports nutrition with strong transparency, batch test results, and clear doses—but it is not the cheapest or NSF Certified for Sport.
Apr 8, 2026
- 57 PoorNew Nutricost
Low-cost basics with useful doses, limited batch transparency, and recent lawsuits over label claims.
Apr 26, 2026
- 73 AdequateNew Optimum Nutrition
Reliable, mainstream sports nutrition staples with strong value and certifications, but not a leader in publishing test results for every batch.
Jun 30, 2026
- 86 StrongNew Protocol For Life Balance
NOW’s practitioner-focused professional line offers strong testing and fair prices but does not publish test results for each batch.
Sep 28, 2025
- 78 AdequateNew Pure Encapsulations
Premium formulas sold through health practitioners, with strong quality controls but high prices and no public test results for each batch.
Oct 6, 2025
- 68 MixedNew Puritan's Pride
A low-cost legacy brand with good manufacturing standards and basic value, but less transparency and trust than premium brands sold through health practitioners.
Sep 28, 2025
- 85 StrongNew Seeking Health
Premium supplement brand focused on genetics-based nutrition, with strong testing and specialized formulas, but premium prices and batch test results only by request.
Sep 30, 2025
- 76 AdequateNew Solaray
Established health-food-store brand with strong facility controls and good sampled formulas, but limited batch-level test-result transparency.
Sep 28, 2025
- 76 AdequateNew Solgar
A long-established premium vitamin brand with credible manufacturing, good formulas, and fair prices, but fewer batch test results than the best-verified brands.
Jun 30, 2026
- 73 AdequateNew Source Naturals
A long-running, mid-priced health-food-store brand with solid in-house testing claims, fair prices, and limited public verification.
May 3, 2026
- 80 StrongNew Sports Research
Premium-value supplements with strong testing on selected products, solid staple formulas, and some past labeling concerns.
Jun 30, 2026
- 58 PoorNew Spring Valley supplements
Budget supplements sold at Walmart with low prices, adequate basic labels, and less verification than premium certified brands.
Jun 30, 2026
- 70 AdequateNew Sundown Naturals
Budget, clean-label vitamins made in a certified facility, but with limited batch information and recent problems with trust in reviews.
Jun 30, 2026
- 63 MixedNew SuperSmart / SuperSmart USA
Premium specialty catalog with rare ingredients and public test results, but recent regulatory issues require checking each product.
Sep 28, 2025
- 69 MixedNew Swanson Health Products
A credible budget supplement brand made in certified facilities and priced for value, but with limited test-result transparency and mixed customer service reviews.
Sep 28, 2025
- 69 MixedNew The Vitamin Shoppe
A legitimate mid-tier supplement retailer with a strong NSF-certified sports line, but testing transparency covers only part of its portfolio.
Sep 28, 2025
- 79 AdequateNew Thorne
Premium supplement brand for health practitioners and athletes, with strong certifications and formulations but limited public test results and high prices.
Oct 6, 2025
- 80 StrongNew XYMOGEN
Premium supplements sold through health practitioners, with strong testing and formulation evidence, but an old regulatory history and transparency only on request.
Sep 28, 2025
No brands match your filter.