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VialCompareFunction Health vs Human Longevity
VIAL TRUST COMPARISON

Function Health vs Human Longevity

Biggest Differences

  1. Physician disclosure
    Human Longevity publishes named clinical leadership you can research before signing up; Function Health describes its clinical team in aggregate without identifying specific physicians.
  2. Geographic reach
    Function Health is available in all 50 states compared to Human Longevity's 0, which may decide the question before any other signal if you're outside Human Longevity's footprint.
  3. Trust Score gap (7 points)
    Function Health scores 79/100 to Human Longevity's 72/100, a 7-point spread driven by the differences below.

Function Health

Lab / Diagnostic
79/ 100
Meets baseline compliance standards.
Moderate Confidence· 5/9
Full report →
vs

Human Longevity

Lab / Diagnostic
72/ 100
Meets baseline compliance standards.
Moderate Confidence· 5/9
Full report →
Generated by Vial · May 15, 2026
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Signal-by-Signal

Compliance Comparison

SignalFunction HealthHuman LongevityEdge
NPI Registration✗ Not Found✗ Not FoundSame
FDA Enforcement✓ No Actions Found✓ No Actions FoundSame
PCAB Accreditation✗ Not Accredited✗ Not AccreditedSame
LegitScript✗ Not Certified✗ Not CertifiedSame
Physician Credentials✓ Listed✓ ListedSame
Vial Trust Score79/10072/100Function
Vial Analysis

Our Assessment

Function Health
Best for
    Main strength
    No active FDA enforcement actions on record
    Main caution
    NPI registration not confirmed in federal registry
    Human Longevity
    Best for
    • Patients wanting comprehensive care
    Main strength
    No active FDA enforcement actions on record
    Main caution
    NPI registration not confirmed in federal registry

    Both providers show similar public records. Your choice may come down to treatment type, state availability, and pricing.

    Comparison reflects publicly disclosed federal and state records only. Vial does not audit clinical quality or patient outcomes.

    Provider A

    Function Health

    DeliveryTelehealth Only
    Price TierMid
    HQSan Francisco, CA
    Services: Metabolic Health, Longevity Protocols, Cognitive Performance
    Provider B

    Human Longevity

    DeliveryIn-Person Only
    Price TierPremium
    HQSan Diego, CA

    Want to run a full compliance report on either provider?

    VIAL

    Comparison based on public federal and state records including NPI Registry, FDA enforcement database, and PCAB accreditation directory. Updated weekly. Not a medical endorsement.