VIAL
Vial Provider ComparisonVIAL

Direct Peptides vs Function Health

Same category. Different operational transparency.

Direct Peptides
Grey Market Vendor
USE CAUTION
65/ 100
Vial Trust Score
Function Health
Lab / Diagnostic
VIAL REVIEWED
79/ 100
Vial Trust Score
SignalDirect PeptidesFunction Health
Pharmacy Disclosure
Do they name their pharmacy partner?
✕No pharmacy partner named
✕No pharmacy partner named
Physician Oversight
Are prescribing clinicians named?
✕No clinician disclosure
!Team described in aggregate
Pricing Transparency
Is pricing shown before signup?
✓Public pricing (Premium)
!Pricing behind membership
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
✓Available in all 50 states
Membership Model
Is a paid membership required?
✓No membership required
!Paid membership required
Data & Privacy
Any reported HIPAA breaches?
✓No breaches on record
✓No breaches on record
Less disclosure
Direct Peptides
Gaps in pharmacy disclosure and physician oversight.
More disclosure
Function Health
Discloses more across physician oversight.
Updated May 26, 2026
Scores based on operational, compliance, and transparency signals tracked by Vial.
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