Head-to-head · WeighScore
Onyx Weight Loss vs Rex MD
The verdict
Rex MD takes it — 70.2/100 to 58.8/100.
Rex MD grades higher on WeighScore, our editorial score across cost value, dose & formulation, clinical oversight, labs & monitoring, fulfillment and contract terms. Rex MD is a US-based men's-health telehealth platform (a LifeMD brand) offering a 100 percent online GLP-1 weight-management program.
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Factor by factor
The same six graded dimensions, side by side. See the methodology.
The numbers
| Metric | Onyx Weight Loss | Rex MD |
|---|---|---|
| WeighScore | 58.8/100 | 70.2/100 |
| Grade | C | C |
| Scorecard rank | #359 | #106 |
| Semaglutide | $228/mo (starting dose, compounded) | $199/mo (brand-name) |
| Tirzepatide | $280/mo (starting dose, compounded) | $349/mo (brand Zepbound) |
| Coverage | 8 states | All 50 states |
| Brand-name access | Compounded only | Yes |
| Oral / sublingual | Injection only | Injection only |
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
Graded #106 · C
Strengths
- Flat $199/mo program bundles consult, medication and overnight shipping
- Brand-name semaglutide and Zepbound vials, not just compounded
- Serves all 50 states, fully online
- LegitScript certified with US-based, state-licensed providers
- Backed by parent company LifeMD
Where it loses points
- Does not accept insurance
- Marketed primarily to men via a men's-health platform
- Zepbound vial cost rises with dose titration
- Branded-only program costs more than compounded options
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.