37 products analyzed. 100+ peer-reviewed studies reviewed. One mission: the truth about what's actually inside your supplements.
What's New
With 74,000 monthly searches and +49% year-on-year growth, berberine has become the most scrutinized natural compound of 2026. We analyzed 50 randomized controlled trials and 4,150 patients. Here's what the science actually says — and what the marketing hype ignores.
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The gut health landscape just shifted — postbiotics are rewriting the rules of microbiome science in 2026.
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Consumer devices claiming to stimulate your vagus nerve are multiplying. We tested the evidence behind the technology.
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From Bacopa to Huperzine A — separating evidence-backed cognition enhancers from clever marketing.
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Poor sleep elevates cortisol and drives insulin resistance. The scientific link that changes everything about metabolic health.
Read →Curated Selection
6 products across 6 categories — selected for scientific transparency, verified ratings, and real-world evidence.
Weight Loss & Metabolism
A plant-based detox tea with Matcha, Yerba Mate and Oolong. Ingredient evidence is solid; commercial practices require scrutiny. Our full review covers both sides honestly.
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Male Vitality & Prostate
KSM-66 Ashwagandha formula with a publicly accessible Certificate of Analysis and a PubMed-verified clinical study. The most transparent product in its category.
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Biohacking & Longevity
Transcutaneous vagus nerve stimulation wearable from Lithuania. The tVNS modality has growing peer-reviewed support. Company is publicly verifiable with documented funding rounds.
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Glycemic Control & Metabolic
Glycemic support drops with Gymnema and Chromium. Ingredients have moderate evidence, but the formula lacks berberine — the most studied natural glucose modulator. Read our honest assessment.
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Cognitive Focus & Nootropics
Topical neuro balm with Magnesium Chloride, MSM and Menthol. Mechanism-of-action is plausible; counter-irritant science is well established. Not a nootropic — more a neuropathic pain aid.
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Chronic Pain & Sleep
Transdermal patch with Capsaicin, Menthol and Ginger Oil for joint pain. Ingredients are scientifically supported, but the operating company's billing practices have raised significant red flags. We document everything.
Read Full Analysis →★ Ratings reflect our independent editorial assessment based on verified Trustpilot data, ingredient evidence and company transparency — never sponsored scores.
Browse by Category
Every category independently reviewed — from the science behind the formula to the real-world track record of each brand.
Complete Index
37+ products independently reviewed. Click a letter to filter or scroll to browse all.
Why Trust Us
The health supplement industry is full of noise. We committed to cutting through it with four non-negotiable principles.
Every claim in our analyses links to a peer-reviewed study with a DOI or PMID number. You can verify every reference independently via PubMed or Google Scholar.
No brand sponsorships. No paid placements. No products pay to be featured. Our affiliate commissions are disclosed openly and never influence our ratings or conclusions.
We publish real pros AND real cons. Our ratings range from 3.5 to 4.8 — never 5-star across the board. If a product has commercial red flags, we document them explicitly.
We operate under EFSA, FDA and ANVISA editorial guidelines. Zero therapeutic claims without clinical evidence. Zero "miracle cure" language. Science only.
Scientific Advisory
Our analyses reference published research from leading scientists at the world's top institutions. These are the real researchers behind the science we cite.
PhD — Obesity & Lipid Metabolism
Columbia University Medical Center
Weight Loss & MetabolismAdipose tissue responds to dietary lipid composition in ways that are frequently overlooked in supplement marketing.
MD — Internal Medicine & Urology
Minneapolis VA / University of Minnesota
Male Vitality & ProstateThree Cochrane Reviews on Saw Palmetto, Beta-Sitosterol and Pygeum — the gold standard of evidence for prostate health supplements.
PhD — Tinnitus Neuroscience
Universität Regensburg, Germany
Hearing Health & TinnitusCortical mapping of tinnitus has revealed mechanisms that supplement marketing often exploits without understanding.
PhD — IoMT & Wearable Technology
Duke University
Biohacking & LongevityWearable sensor accuracy varies enormously — precision claims must be validated against clinical-grade reference standards.
PhD — Probiotic Microbiology
ISAPP — International
Gut Health & MicrobiomeCo-author of the official scientific consensus definition of postbiotics — the standard the industry must meet, not just claim.
PhD — Neurology & Cognition
Harvard / Monash University
Cognitive Focus & NootropicsBacopa Monnieri improved performance in 9 of 17 memory tests across multiple RCTs. That's the bar for calling something evidence-based.
MD — Rheumatology & Osteoarthritis
University of Utah
Chronic Pain & SleepPrincipal investigator of the GAIT Trial — published in the New England Journal of Medicine, the definitive study on glucosamine and chondroitin.
MD — Endocrinology & Metabolism
NIH / NIDDK
Glycemic Control & MetabolicChromium's role in insulin sensitivity has been studied for decades. The evidence is moderate — and that's exactly the kind of honest assessment consumers deserve.
By the Numbers
