1st Optimal vs PlexusDx
An in-depth comparison of two leading GLP-1 Providers
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1st Optimal
Best for Patients wanting GLP-1 therapy within a lab-driven functional-medicine programPlexusDx
Best for Shoppers wanting nationwide compounded GLP-1 with optional genetic-test personalizationStarting at $129/mo
Side-by-Side Comparison
| Feature | 1st Optimal | PlexusDx |
|---|---|---|
| Overall Score | 6.7/10 | ✓6.9/10 |
| Starting Price | — | $129/mo |
| Editorial Rating | 3.4 ★ /5 | ✓3.5 ★ /5 |
| Features | 8 features | 8 features |
| States Available | 0 | 0 |
| Compounded | — | ✓ Yes |
| Brand Name | — | — |
| FSA/HSA Accepted | — | — |
| FDA Warnings | None | None |
Pros & Cons
1st Optimal
Pros
- ✓Offers both semaglutide and tirzepatide with injectable and oral formats
- ✓Functional-medicine approach with at-home labs and blood-work interpretation
- ✓Unlimited coaching and ongoing support included
- ✓No long-term contracts
- ✓Board-certified doctors and nurse practitioners referenced
Cons
- ✗No public monthly pricing disclosed
- ✗No published state availability list
- ✗Compounded vs branded sourcing not clarified on site
- ✗Pricing only revealed after quiz or consultation
PlexusDx
Pros
- ✓Licensed providers available in all 50 states
- ✓Range of options including low-cost microdose GLP-1 from $129/mo
- ✓Optional Precision Peptide genetic panel adds a personalization angle
- ✓Independent clinician review via state-licensed telehealth platform
- ✓Compounded medications from state-licensed pharmacies
Cons
- ✗Compounded medications only; no FDA-approved brand options
- ✗Specific compounding pharmacies not named
- ✗Genetic-panel upsell may not add clinical value for everyone
- ✗Tirzepatide pricing from $249/mo is higher than budget rivals
- ✗No insurance accepted
Our Verdict
PlexusDx edges out 1st Optimal with a higher overall score of 6.9/10 and is particularly strong for Shoppers wanting nationwide compounded GLP-1 with optional genetic-test personalization. 1st Optimal remains a solid alternative, especially if you're looking for Patients wanting GLP-1 therapy within a lab-driven functional-medicine program.
Glossary references
Key terms in this article, linked to their canonical definitions.
- 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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Or see the full category ranking.
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