VIAL
Vial Provider ComparisonVIAL

Function Health vs Marek Diagnostics

Same category. Different operational transparency.

Function Health
Lab / Diagnostic
VIAL REVIEWED
79/ 100
Vial Trust Score
Marek Diagnostics
Lab / Diagnostic
VIAL REVIEWED
75/ 100
Vial Trust Score
SignalFunction HealthMarek Diagnostics
Pharmacy Disclosure
Do they name their pharmacy partner?
✕No pharmacy partner named
✕No pharmacy partner named
Physician Oversight
Are prescribing clinicians named?
!Team described in aggregate
!Team described in aggregate
Pricing Transparency
Is pricing shown before signup?
!Pricing behind membership
✓Public pricing (Premium)
Federal Enforcement History
Any FDA, DEA, or OIG actions?
✓No federal actions found
✓No federal actions found
State Availability
How widely is care available?
✓Available in all 50 states
!40 states
Membership Model
Is a paid membership required?
!Paid membership required
✓No membership required
Data & Privacy
Any reported HIPAA breaches?
✓No breaches on record
✓No breaches on record
Less disclosure
Function Health
Gaps in pharmacy disclosure.
More disclosure
Marek Diagnostics
Discloses more across pricing and membership terms.
Updated May 26, 2026
Scores based on operational, compliance, and transparency signals tracked by Vial.
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