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Head-to-head · WeighScore

Corsica Health vs Onyx Weight Loss

Corsica Health
Graded #188

Higher grade

vs+7.5
Onyx Weight Loss
Graded #359

Lower grade

The verdict

Corsica Health takes it — 66.3/100 to 58.8/100.

Corsica Health grades higher on WeighScore, our editorial score across cost value, dose & formulation, clinical oversight, labs & monitoring, fulfillment and contract terms. Corsica Health is a telehealth platform offering both compounded GLP-1s and brand-name FDA-approved injections through a structured assessment, provider review, and medication flow.

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 valueCorsica Health +5
48
43
Dose & formulationCorsica Health +13
77
64
Clinical oversightCorsica Health +12
87
75
Labs & monitoringOnyx Weight Loss +9
54
63
FulfillmentCorsica Health +22
75
53
Contract termsEven
55
55
Corsica Health · left barOnyx Weight Loss · right bar

The numbers

MetricCorsica HealthOnyx Weight Loss
WeighScore66.3/10058.8/100
GradeCC
Scorecard rank#188#359
Semaglutide$249/mo (compounded)$228/mo (starting dose, compounded)
Tirzepatide$349/mo (compounded)$280/mo (starting dose, compounded)
CoverageCoverage not published8 states
Brand-name accessYesCompounded only
Oral / sublingualInjection onlyInjection only
Corsica Health

Graded #188 · C

Strengths

  • Public pricing shown for both compounded and brand-name options — a real transparency advantage
  • $1,499/mo brand-name Wegovy/Ozempic/Mounjaro is below typical retail cash-pay
  • LegitScript Certified
  • Clear 3-step intake: Assessment, Provider Review, Receive Medication
  • $199/mo compounded semaglutide and $249/mo compounded tirzepatide (3-month plans) are competitively priced

Where it loses points

  • Legal entity name and state of incorporation not disclosed on the site
  • Pharmacy partner described only as a 'licensed compounding pharmacy,' not named
  • Per-state availability not listed publicly
  • First-month promotional pricing not disclosed
  • Lab-work inclusion not clearly disclosed
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

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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