Vial Confidence Comparison
VIAL
VIALMarek Diagnostics vs ZOE
Same category. Different operational transparency.
Lab / Diagnostic
76/ 100
Vial Score
View full report →Lab / Diagnostic50/ 100
Vial Score
View full report →Signal
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
✓Named clinical leadership
Pricing Transparency
Is pricing shown before signup?
✕Pricing not disclosed
✕Pricing not disclosed
Federal Enforcement History
Any FDA, DEA, or OIG actions?
✓No federal actions found
✓No federal actions found
State Availability
How widely is care available?
•40 states
✓Available in all 50 states
Membership Model
Is a paid membership required?
✓No membership required
✓No membership required
Data & Privacy
Any reported HIPAA breaches?
✓No breaches on record
✓No breaches on record
Higher Vial Score
Marek Diagnostics
Higher Vial Score on the broader public record Vial tracks.
Lower Vial Score
ZOE
Gaps in pharmacy disclosure and pricing.
Updated July 15, 2026
Scores based on operational, compliance, and transparency signals tracked by Vial.
Biggest Differences
- Physician disclosureZOE publishes named clinical leadership you can research before signing up; Marek Diagnostics describes its clinical team in aggregate without identifying specific physicians.
- Vial Score gap (26 points)Marek Diagnostics scores 76/100 to ZOE's 50/100, a 26-point spread driven by the differences below.
- Geographic reachZOE is available in all 50 states compared to Marek Diagnostics's 40, which may decide the question before any other signal if you're outside Marek Diagnostics's footprint.
Provider A
Marek Diagnostics
DeliveryTelehealth Only
HQScottsdale, AZ
Services: TRT, HRT, Metabolic Health +1
Comparison based on public federal and state records including NPI Registry, FDA enforcement database, and PCAB accreditation directory. Updated weekly. Not a medical endorsement.
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This page evaluates compliance signals, not clinical outcomes. Consult a licensed physician before starting any therapy, medication, or treatment. Vial does not provide medical advice.