VIAL TRUST COMPARISON

Function Health vs InsideTracker

Biggest Differences

Operating history
InsideTracker has been operating since 2009 (17+ years of visible track record); Function Health launched in 2021, giving you 12 fewer years of public record to evaluate.
Trust Score gap (6 points)
Function Health scores 79/100 to InsideTracker's 73/100, a 6-point spread driven by the differences below.

Function Health

Lab / Diagnostic

79/ 100

Meets baseline compliance standards.

Moderate Confidence· 5/9

Full report →

InsideTracker

Lab / Diagnostic

73/ 100

Meets baseline compliance standards.

Moderate Confidence· 5/9

Full report →

Generated by Vial · May 14, 2026

Signal-by-Signal

Compliance Comparison

Signal	Function HealthA	InsideTracker	Edge
NPI Registration	✗ Not Found	✗ Not Found	Same
FDA Enforcement	✓ No Actions Found	✓ No Actions Found	Same
PCAB Accreditation	✗ Not Accredited	✗ Not Accredited	Same
LegitScript	✗ Not Certified	✗ Not Certified	Same
Physician Credentials	✓ Listed	✓ Listed	Same
Vial Trust Score	79/100	73/100	Function

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

InsideTracker

Best for

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

Profile →Report →

Provider B

InsideTracker

DeliveryTelehealth Only

Price TierMid

HQBoston, MA

Services: Metabolic Health, Longevity Protocols, Cognitive Performance

Profile →Report →

Want to run a full compliance report on either provider?

Function Health Report →|InsideTracker Report →

Other comparisons featuring these providers

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