Science-Verified Brands
Brands that meet our objective verification criteria: third-party testing, no proprietary blends, clinical dosing, and published Certificates of Analysis. This is not a paid placement — brands cannot pay for verification.
How brands earn verification
Life Extension
VerifiedLife Extension has led evidence-based supplementation for over 40 years, funding and publishing clinical research. Every product is third-party tested with doses backed by peer-reviewed studies.
Mary Ruth's
VerifiedMary Ruth's Organics creates liquid and gummy vitamins with USDA Organic certification, vegan formulas, and clean ingredient lists. Founded by a certified health educator.
Jarrow Formulas
VerifiedJarrow Formulas is a 47-year-old supplement company with a deep commitment to science-based formulations. Known for branded, clinically studied ingredients and rigorous third-party testing.
Thorne
VerifiedThorne is a premium supplement brand trusted by Mayo Clinic, Cleveland Clinic, and 11 U.S. Olympic teams. NSF Certified for Sport across their athletic line, with every product third-party tested.
Nordic Naturals
VerifiedNordic Naturals is the #1 selling fish oil brand in the U.S., known for IFOS 5-star certified omega-3 products. Friend of the Sea certified and third-party tested for purity.
Sports Research
VerifiedSports Research is a family-owned supplement brand founded in the 1980s in San Pedro, California. Known for their coconut oil-based softgels, Non-GMO Project verification across their product line, and broad category coverage spanning omega-3s, collagen, vitamins, and adaptogens. Their flagship products — Triple Strength Omega-3, Collagen Peptides, and Vitamin D3+K2 — collectively have over 200,000 Amazon reviews.
Peak Performance
VerifiedPeak Performance specializes in organic, whole-food-based supplements with clean ingredient profiles. All products are third-party tested, non-GMO, and free from artificial additives.
Integrative Therapeutics
VerifiedIntegrative Therapeutics is a clinical-grade supplement brand founded in 1979 in Green Bay, Wisconsin, and now a division of Schwabe Extracta (acquired 2014). The brand was built for licensed healthcare professionals — physicians, naturopaths, and functional medicine practitioners — and remains one of the most trusted practitioner-channel lines in North America. Core categories include adrenal/stress support, gastrointestinal health, metabolic and cardiovascular function, and immune regulation. Flagship products include SBI Protect (secretory IgG), Cortisol Manager, Berberine 500, and the Pro-Flora MAX probiotic line. All formulations are GMP certified, carry clean-label sourcing commitments, and are grounded in peer-reviewed science rather than marketing trends. With 93 SKUs, Integrative Therapeutics represents one of the broadest clinical-grade catalogs available to consumers through practitioner recommendation.
Momentous
VerifiedMomentous creates elite-grade supplements used by professional athletes across the NFL, NBA, and U.S. military. Every product is Informed Sport certified and NSF Certified for Sport.
Sunergetic
VerifiedSunergetic is a Tampa, Florida-based supplement brand founded in 2013, positioned as a value-accessible line covering a wide range of health categories. The brand's catalog spans essentials like vitamin D3, magnesium, and omega-3s alongside specialty botanicals including beetroot, saw palmetto, turmeric, ashwagandha, maca, and berberine — 31 SKUs built to cover broad consumer health needs at accessible price points. All Sunergetic products are manufactured in FDA-registered, cGMP-compliant facilities and undergo third-party testing for purity and potency. The brand is particularly popular on Amazon, where competitive pricing and strong review velocity make it a discovery-channel standout. Ingredient dosing is generally transparent across the catalog, with no proprietary blends. Clinical dosing is product-dependent — core essentials hit clinical ranges, while some botanical SKUs use traditional-supportive dosing that reflects category norms rather than RCT benchmarks.
Ritual
VerifiedRitual is a Los Angeles-based premium supplement brand founded in 2016 by Kat Schneider with a mission to reimagine the multivitamin through radical transparency. The brand's flagship Essential for Women 18+ multivitamin launched with a supply-chain-traceability model that publicly names every ingredient supplier and publishes lot-level Certificates of Analysis — a practice virtually unheard of in the supplement industry at launch. Ritual products are formulated with clinical doses of bioavailable ingredient forms, are Non-GMO Project Verified, vegan, gluten-free, and free from major allergens. Signature packaging features a clear capsule design with visible beadlet suspension in a glass jar, reflecting the brand's transparency ethos. The catalog of 20 SKUs has expanded beyond its multivitamin roots to include Essential Prenatal, Essential Postnatal, Synbiotic+ (pre/probiotic/postbiotic), HyaCera (skin), Complete Protein, HER Vision, and HER Heart — all built on the same traceability architecture.
Transparent Labs
VerifiedTransparent Labs is a science-driven supplement brand known for fully disclosed ingredient labels, no proprietary blends, and third-party testing on every product. Founded on the principle that consumers deserve to know exactly what they are taking and in what amounts.
Four Sigmatic
VerifiedFour Sigmatic is a Finnish-founded, US-based functional mushroom and adaptogen brand. They pioneered the mushroom coffee category in 2012 and are known for using mushroom fruiting bodies (not mycelium-on-grain), USDA Organic and Fair Trade certifications, and third-party mycotoxin testing. Their flagship Focus Ground Coffee has over 20,000 Amazon reviews.
Paleovalley
VerifiedPaleovalley was founded in 2014 in Grand Junction, Colorado as a clean-label nutrition brand built around ancestral eating principles. The company is best known for its 100% grass-fed beef sticks — one of the first shelf-stable meat snacks to carry no synthetic preservatives, using old-world fermentation (lactic acid from bacteria) instead. Their product line has expanded to include an Organ Complex (freeze-dried beef liver, heart, and kidney), an Essential C Complex using only whole-food vitamin C sources (amla berry, camu camu, and acerola cherry), and a grass-fed bone broth protein. Paleovalley is non-GMO, gluten-free, and free of artificial additives across its catalog. The brand has a strong following in the ancestral health, carnivore-adjacent, and Paleo communities.
Double Wood Supplements
VerifiedDouble Wood Supplements was founded in 2013 by two Dartmouth graduates in Horsham, Pennsylvania. The brand built its reputation in the nootropic and cognitive supplement space with a catalog now exceeding 200 SKUs. Double Wood's competitive position is straightforward: transparent dosing, no proprietary blends, and both in-house and independent third-party laboratory testing on every product. The brand covers a broad range: nootropics (alpha-GPC, phosphatidylserine, lion's mane), longevity compounds (NMN, NR, resveratrol, berberine), foundational vitamins and minerals, and specialized compounds like lithium orotate and huperzine A. Double Wood keeps price points accessible relative to premium-tier competitors while maintaining documented quality controls. Products are manufactured in the USA in cGMP-certified facilities.
Equip Foods
VerifiedEquip Foods was founded in 2016 by Dr. Anthony Gustin, a functional medicine chiropractor and keto/ancestral health advocate, and is headquartered in Austin, Texas. The brand's defining product is Prime Protein — a grass-fed beef protein isolate that is completely dairy-free, making it one of the few protein powders suitable for those avoiding whey, casein, and lactose without resorting to pea or soy. Equip targets the Paleo, keto, and carnivore-adjacent consumer who wants animal-protein density without dairy. The formulation philosophy emphasizes minimal ingredients: no fillers, no gums, no artificial sweeteners, and no proprietary blends. Equip has since expanded into carbohydrate blends and collagen products, maintaining a short ingredient list standard across the catalog.