1st Optimal vs Zeuss
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 programZeuss
Best for the only one-time-purchase, no-subscription compounded GLP-1 modelStarting at $125/mo
Side-by-Side Comparison
| Feature | 1st Optimal | Zeuss |
|---|---|---|
| Overall Score | 6.7/10 | ✓7.0/10 |
| Starting Price | — | $125/mo |
| Editorial Rating | 3.4 ★ /5 | ✓3.5 ★ /5 |
| Features | ✓8 features | 4 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
Zeuss
Pros
- ✓One-time-purchase model with no subscription — genuinely rare among DTC GLP-1 providers
- ✓Publishes the FDA compounded-medication disclaimer
- ✓Names both 503A and 503B compounding pathways — uncommon transparency
- ✓Bundled pricing covers provider review, meds, and cold-chain shipping with no hidden fees
- ✓Full refund if a physician can't prescribe
- ✓$125/mo starting price, competitive with the broader DTC market
- ✓Temperature-controlled cold-chain shipping disclosed
- ✓Gender-segmented Body services for patients who prefer male- or female-focused framing
Cons
- ✗503A pharmacy partner not named (only generic '503A and 503B state-licensed' framing)
- ✗LegitScript certification not mentioned
- ✗No named medical director or physician leadership
- ✗Full states-served list not disclosed
- ✗Corporate legal entity not disclosed
- ✗Governing law and arbitration venue not disclosed
- ✗GLP-1 pages live at awkward URLs (/services/body-for-him/ and /services/body-for-her/)
- ✗Corporate physical address not disclosed
Our Verdict
Zeuss edges out 1st Optimal with a higher overall score of 7.0/10 and is particularly strong for the only one-time-purchase, no-subscription compounded GLP-1 model. 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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