Head-to-head · WeighScore
AM Rx vs Onyx Weight Loss
The verdict
Onyx Weight Loss takes it — 58.8/100 to 49.9/100.
Onyx Weight Loss grades higher on WeighScore, our editorial score across cost value, dose & formulation, clinical oversight, labs & monitoring, fulfillment and contract terms. Onyx Weight Loss is a nurse-practitioner-led telehealth clinic based in Mooresville, NC, offering GLP-1 and GLP-1/GIP weight-loss medications alongside peptides and HRT across 8 states.
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Factor by factor
The same six graded dimensions, side by side. See the methodology.
The numbers
| Metric | AM Rx | Onyx Weight Loss |
|---|---|---|
| WeighScore | 49.9/100 | 58.8/100 |
| Grade | C | C |
| Scorecard rank | #490 | #359 |
| Semaglutide | $151/mo (quarterly plan, plus a separate fee, compounded) | $228/mo (starting dose, compounded) |
| Tirzepatide | Not disclosed | $280/mo (starting dose, compounded) |
| Coverage | Coverage not published | 8 states |
| Brand-name access | Yes | Compounded only |
| Oral / sublingual | Injection only | Injection only |
Graded #490 · C
Strengths
- Insurance coordination for brand-name GLP-1s — as low as $25/mo
- All four major brand-name GLP-1s available (Ozempic, Wegovy, Zepbound, Mounjaro)
- HSA and FSA accepted
- Video visits available with providers averaging 10+ years' experience
- Compounded semaglutide from $151/mo on the quarterly plan
Where it loses points
- Active FTC/DOJ lawsuit over deceptive billing and subscription practices
- Novo Nordisk false-advertising lawsuit (Aug 2025)
- Parent company Zealthy holds a BBB D- rating with 2,370+ complaints
- Trustpilot 2.0/5, with 85% one-star reviews citing billing disputes and unreachable support
- FDA has issued this company a warning letter; the letter is public in FDA's warning-letter database
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.