1st Optimal vs InstaRX
An in-depth comparison of two leading GLP-1 Providers
WeightLossRankings.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more
1st Optimal
Best for Patients wanting GLP-1 therapy within a lab-driven functional-medicine programInstaRX
Best for compounded GLP-1 plus peptides and sexual health on one accountStarting at $199/mo
Side-by-Side Comparison
| Feature | 1st Optimal | InstaRX |
|---|---|---|
| Overall Score | 6.7/10 | ✓6.8/10 |
| Starting Price | — | $199/mo |
| Editorial Rating | 3.4 ★ /5 | 3.4 ★ /5 |
| Features | 8 features | 8 features |
| States Available | 0 | ✓51 |
| 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
InstaRX
Pros
- ✓Available in all 50 states plus DC
- ✓Manage GLP-1, anti-aging peptides, and sexual-health medications on one account
- ✓Offers both compounded semaglutide and compounded tirzepatide
- ✓Independent provider group (Dr Telx) named in the Terms of Service
Cons
- ✗No per-dose or monthly pricing published — only a "$199 to get started" hook; you can't compare costs before intake
- ✗No LegitScript, HIPAA, or NABP accreditation shown on public pages
- ✗Compounding pharmacy not named — only "U.S. pharmacies"
- ✗Terms of Service reads like generic boilerplate, including copy-paste language about women's health issues — suggests low template hygiene
- ✗Delaware governing law for disputes despite a California corporate address
- ✗Corporate address is a strip-mall suite — suggests a pure-virtual operation
Our Verdict
InstaRX edges out 1st Optimal with a higher overall score of 6.8/10 and is particularly strong for compounded GLP-1 plus peptides and sexual health on one account. 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
Related comparisons
Continue exploring 1st Optimal and InstaRX head-to-heads in the same category.
- 1st Optimal vs CoreAge Rx
- 1st Optimal vs TrimRx
- 1st Optimal vs Amazon One Medical
- InstaRX vs NovoCare Pharmacy
- InstaRX vs Vytora Health
- InstaRX vs Enhance MD
Or see the full category ranking.
Wegovy®, Ozempic®, and Rybelsus® are trademarks of Novo Nordisk A/S. Mounjaro® and Zepbound® are trademarks of Eli Lilly and Company. All other product names and trademarks referenced on this page belong to their respective owners. WeightLossRankings.org is not affiliated with any pharmaceutical manufacturer. See trademark disclaimer.