CoreAge Rx vs Onyx Weight Loss
An in-depth comparison of two leading GLP-1 Providers
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Onyx Weight Loss
Best for: NP-led GLP-1 telehealth in 8 states; sema $228/mo or tirz $280/mo, all-in
Visit Onyx Weight Loss →CoreAge Rx and Onyx Weight Loss are both GLP-1 Providers competing for the same patients, but they make different trade-offs on price, coverage, and what's included. In our scoring, both start around $99/mo, and CoreAge Rx edges ahead overall (8.3 vs 6.2 out of 10). Below we break down pricing, what each plan covers, the six-dimension score, pros and cons, and exactly who should pick which.
Pricing
CoreAge Rx
Re-verified 2026-08-05: homepage + Preventive Longevity section both show "Semaglutide — Starting at $99/mo", "Same price at every dose"; supersedes stale tiered pricing captured 2026-06-05.
Re-verified 2026-08-05: homepage GLP-1 hero + Preventive Longevity section both show "Tirzepatide — Starting at $149/mo", "Same price at every dose"; supersedes stale tiered pricing captured 2026-06-05.
Onyx Weight Loss
Verbatim: 'Starting at $228/month' (GLP-1 Agonist plan). Includes medication and supplies shipped to home. Entry tier only; higher-dose pricing not disclosed.
Verbatim: 'Starting at $280/month' (GLP-1/GIP Agonist plan). Includes medication and supplies. Entry tier only; specific drug name inferred from GLP-1/GIP dual agonist designation.
Verbatim: '$99/MONTH' (GLP-1 Microdosing plan). Low-dose gradual-start option.
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What’s included
CoreAge Rx
What the monthly price covers
Medication
Included
Provider visits
Included
Shipping
Included
Lab work
Not disclosed
Coaching
Not disclosed
Onyx Weight Loss
What the monthly price covers
Medication
Included
Provider visits
Included
Shipping
Included
Lab work
Not disclosed
Coaching
Not disclosed
Score breakdown
Both providers are scored on the same six-dimension framework. The gradient bar marks the stronger side on each dimension.
CoreAge Rx
8.3/10
Onyx Weight Loss
6.2/10
Value25%
Effectiveness25%
User Experience15%
Trust & Safety15%
Accessibility10%
Support10%
Features & Coverage
| Feature | CoreAge Rx | Onyx Weight Loss |
|---|---|---|
| Starting Price | $99/mo | $99/mo |
| Features | 6 features | ✓8 features |
| States Available | ✓50 | 8 |
| Compounded | ✓ Yes | ✓ Yes |
| Brand Name | — | — |
| FSA/HSA Accepted | — | — |
| FDA Warnings | None | None |
About CoreAge Rx
CoreAge Rx offers LegitScript-verified compounded semaglutide and tirzepatide with free 2-day shipping to all 50 states. Backed by licensed physicians and 24/7 support, it delivers the most competitive pricing in the compounded GLP-1 space.
Read our full CoreAge Rx review →About Onyx Weight Loss
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. Founded by Tasha Vangile FNP-C and Madalyn Vangile RN, plans start at $228/month for GLP-1 (semaglutide-type) and $280/month for GLP-1/GIP (tirzepatide-type), with medication and supplies shipped home via Strive Pharmacy partner. A $99/month GLP-1 microdosing option is also available for a gradual-titration start.
Read our full Onyx Weight Loss review →Pros & Cons
CoreAge Rx
What we like
- LegitScript certified — rigorous pharmacy standards
- Free 2-day shipping nationwide
- Both semaglutide and tirzepatide available
- Lowest per-month pricing in the compounded segment
- 24/7 support team
- All 50 states covered
Watch-outs
- Compounded only — no brand-name Ozempic or Wegovy
- Newer brand with fewer independent reviews than legacy players
Onyx Weight Loss
What we like
- 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
Watch-outs
- 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
Our Verdict
CoreAge Rx edges out Onyx Weight Loss with a higher overall score of 8.3/10 and is particularly strong for best overall value. Onyx Weight Loss remains a solid alternative, especially if you're looking for NP-led GLP-1 telehealth in 8 states; sema $228/mo or tirz $280/mo, all-in.
Choose CoreAge Rx if…
You want best overall value and a starting price around $99/mo.
Choose Onyx Weight Loss if…
You want NP-led GLP-1 telehealth in 8 states; sema $228/mo or tirz $280/mo, all-in and a starting price around $99/mo.
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Brand-name GLP-1s at cash prices, no compounding
From $25/mo
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Lowest-tier compounded GLP-1 in injection, troche and sublingual forms
From $119/mo
Get started →CoreAge Rx vs Onyx Weight Loss: FAQ
Key terms, explained
New to GLP-1s? Tap any term for a quick, plain-English definition.
- Semaglutide · Drugs and brands
- Tirzepatide · Drugs and brands
- Compounded GLP-1 · Pharmacy and drug forms
- 503A pharmacy · Pharmacy and drug forms
- PCAB accreditation · Pharmacy and drug forms
- Prior authorization (PA) · Insurance and regulatory
- Off-label use · Insurance and regulatory
- FDA Drug Shortage List · Insurance and regulatory
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