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Head-to-head · WeighScore

Onyx Weight Loss vs Zera Health

Onyx Weight Loss
Graded #359

Lower grade

vs+16
Zera Health
Graded #61

Higher grade

The verdict

Zera Health takes it — 74.8/100 to 58.8/100.

Zera Health grades higher on WeighScore, our editorial score across cost value, dose & formulation, clinical oversight, labs & monitoring, fulfillment and contract terms. Zera Health is a telehealth platform for compounded GLP-1 weight loss — semaglutide from $149/mo, tirzepatide from $199/mo, plus oral and low-dose microdose options — prescribed by licensed physicians in…

We may earn a commission if you start care through some of these links, at no extra cost to you. It never moves the WeighScore, which is the weighted average of the six factors shown for every provider, and what we write about a provider is the same either way. See our disclosure.

Factor by factor

The same six graded dimensions, side by side. See the methodology.

Cost valueZera Health +37
43
80
Dose & formulationZera Health +11
64
75
Clinical oversightZera Health +7
75
82
Labs & monitoringOnyx Weight Loss +10
63
53
FulfillmentZera Health +39
53
92
Contract termsEven
55
55
Onyx Weight Loss · left barZera Health · right bar

The numbers

MetricOnyx Weight LossZera Health
WeighScore58.8/10074.8/100
GradeCC
Scorecard rank#359#61
Semaglutide$228/mo (starting dose, compounded)$149/mo (compounded)
Tirzepatide$280/mo (starting dose, compounded)$199/mo (compounded)
Coverage8 statesAll 50 states
Brand-name accessCompounded onlyCompounded only
Oral / sublingualInjection onlyYes
Onyx Weight Loss

Graded #359 · C

Strengths

  • Competitive entry pricing: semaglutide from $228/mo and tirzepatide from $280/mo with medication + supplies included
  • Nurse-practitioner-led care: founder Tasha Vangile FNP-C (20+ years) and Stephanie Robison APRN-CNP (27 years experience)
  • Low-cost $99/mo GLP-1 microdosing option for patients who prefer a gradual titration start
  • Strive Pharmacy partnership implies compounded 503A-quality supply chain from a known pharmacy
  • Multi-modal clinic: GLP-1 + peptides + HRT + nutrition coaching available under one provider team

Where it loses points

  • Only 8 states (NC, CO, ME, VT, VA, IA, NH, PA) — excludes the majority of the US
  • No LegitScript certification; credentialing evidence limited to local 2025 Best of Iredell award
  • Specific drug names (semaglutide/tirzepatide) never stated on website; compounded status inferred, not disclosed
  • Labs not included or mentioned; no baseline bloodwork protocol published
  • Pricing shown as 'Starting at' with no dose-escalation tier pricing disclosed publicly
Zera Health

Graded #61 · C

Strengths

  • Compounded semaglutide from $149/mo and tirzepatide from $199/mo, plus a $129/mo microdose option
  • Flat pricing — the same monthly cost at every dose as you titrate up
  • All-inclusive: medication, unlimited 24/7 provider messaging, and free shipping bundled in
  • Names its compounding pharmacy — Strive Pharmacy (licensed 503A)
  • Available in all 50 states with same-day approvals

Where it loses points

  • Operates as a technology platform, not the medical provider itself
  • Compounded GLP-1s are not FDA-approved (the site discloses this honestly)
  • Aggressive marketing results claims (e.g. '18% average', '93% kept it off') with 'results not typical' disclaimers
  • Legal entity name not published (footer shows only 'Zera Health')

Also worth a look

Neither is our top-graded pick — CoreAge Rx leads the scorecard

Across all 499 providers, CoreAge Rx grades highest at 91.8/100 (A−). Top of the scorecard: flat transparent pricing, both molecules, nationwide — no teaser-rate games.

Pricing/verification reflect each provider's public disclosures at last grading; the WeighScore is our editorial judgment per the methodology. Prices change — confirm on each provider's site. Not medical advice; see our disclosure.

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