Is This Supplement Legit

Ranked picks

Best berberine - ranked beside the metabolic ingredients it gets compared to

Berberine shows up in glucose and lipid discussions online; our scores separate trial signal, interaction load, and how hard it is oversold as a drug substitute.

We pin berberine, then widen within metabolic longevity where readers mentally stack it against metformin, ALA, resveratrol, and similar entries.

Top picks

Ranked using live scores in our database - refresh cadence is editorial, not real-time.

  1. 1

    Berberine

    Berberine is closer to a drug-like supplement: promising metabolic trials, but not casual candy - CYP interactions and GI effects matter.

    69Overall
    Promising

    Evidence

    72

    Human trial breadth and quality

    Safety

    58

    Tolerability and known risks

    Hype gap

    64

    Marketing vs proof (higher = more hype)

    Open full verdict · Scores are editorial summaries - not medical advice.

  2. 2

    Metformin

    Metformin is evidence-based for type 2 diabetes; longevity claims in healthy adults are speculative and not standard care.

    58Overall
    Caution

    Evidence

    82

    Human trial breadth and quality

    Safety

    42

    Tolerability and known risks

    Hype gap

    72

    Marketing vs proof (higher = more hype)

    Open full verdict · Scores are editorial summaries - not medical advice.

  3. 3

    Omega-3 fatty acids

    Omega-3s have meaningful evidence in specific cardiovascular and triglyceride contexts; general “brain upgrade” claims are softer.

    77Overall
    Promising

    Evidence

    80

    Human trial breadth and quality

    Safety

    78

    Tolerability and known risks

    Hype gap

    55

    Marketing vs proof (higher = more hype)

    Open full verdict · Scores are editorial summaries - not medical advice.

  4. 4

    Creatine monohydrate

    Creatine monohydrate is commonly associated with: strength/power output; muscle phosphocreatine stores. Our registry tags evidence as high; this hub translates that into an ingredient-level verdict with safety and hype context - not individualized recommendations.

    74Overall
    Promising

    Evidence

    78

    Human trial breadth and quality

    Safety

    80

    Tolerability and known risks

    Hype gap

    44

    Marketing vs proof (higher = more hype)

    Open full verdict · Scores are editorial summaries - not medical advice.

  5. 5

    Lutein + zeaxanthin

    Lutein + zeaxanthin is commonly associated with: macular pigment / areds-adjacent eye health. Our registry tags evidence as high; this hub translates that into an ingredient-level verdict with safety and hype context - not individualized recommendations.

    74Overall
    Promising

    Evidence

    78

    Human trial breadth and quality

    Safety

    80

    Tolerability and known risks

    Hype gap

    44

    Marketing vs proof (higher = more hype)

    Open full verdict · Scores are editorial summaries - not medical advice.

  6. 6

    Omega-3 EPA/DHA (fish oil / re-esterified triglyceride)

    Omega-3 EPA/DHA (fish oil / re-esterified triglyceride) is commonly associated with: triglyceride lowering (high doses rx); cardiovascular risk discussion; pregnancy dha context. Our registry tags evidence as high; this hub translates that into an ingredient-level verdict with safety and hype context - not individualized recommendations.

    74Overall
    Promising

    Evidence

    78

    Human trial breadth and quality

    Safety

    80

    Tolerability and known risks

    Hype gap

    44

    Marketing vs proof (higher = more hype)

    Open full verdict · Scores are editorial summaries - not medical advice.

  7. 7

    Psyllium husk

    Psyllium is boring and effective when hydration is adequate.

    78Overall
    Strong support

    Evidence

    76

    Human trial breadth and quality

    Safety

    80

    Tolerability and known risks

    Hype gap

    38

    Marketing vs proof (higher = more hype)

    Open full verdict · Scores are editorial summaries - not medical advice.

  8. 8

    Prebiotics

    Prebiotic is not interchangeable with probiotic - one feeds bugs, one adds live cultures.

    76Overall
    Strong support

    Evidence

    72

    Human trial breadth and quality

    Safety

    80

    Tolerability and known risks

    Hype gap

    42

    Marketing vs proof (higher = more hype)

    Open full verdict · Scores are editorial summaries - not medical advice.

Product considerations

Future product notes would emphasize extract standardization and interaction callouts - still not medical dosing advice.

How this list is ordered

For picks on this page, we sort candidates by evidence score (human trial quality for common uses), then safety score, then prefer a lower hype gap when the first two tie. Pinned ingredients stay at the top so the page answers the headline before expanding context.

Numbers are not personalized risk scores and not brand QA. For the full rubric, read Methodology.

What to treat skeptically

  • Swapping prescribed metformin or other meds for berberine without supervision.
  • Ignoring CYP450 interaction risk with polypharmacy.
  • Assuming “natural alkaloid” means consequence-free long-term use.

Head-to-head comparisons

Side-by-side verdicts that touch ingredients on this leaderboard.