Always verify pricing and state availability on the provider's website before signing up.How our reviews work →

1st Optimal vs RxSpan MD

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

6.7

1st Optimal

Best for Patients wanting GLP-1 therapy within a lab-driven functional-medicine program
★★★☆☆3.4
Semaglutide GLP-1Tirzepatide GLP-1Oral tablet optionAt-home lab testing
Visit 1st Optimal
7.4

RxSpan MD

Best for shoppers wanting physician-led, pharmacy-transparent compounded GLP-1 with brand-name options
★★★3.7

Starting at $249/mo

CompoundedSemaglutideTirzepatideBrand-name available
Visit RxSpan MD

Side-by-Side Comparison

Feature1st OptimalRxSpan MD
Overall Score6.7/107.4/10
Starting Price$249/mo
Editorial Rating3.4 ★ /53.7 ★ /5
Features8 features7 features
States Available050
Compounded✓ Yes
Brand Name✓ Yes
FSA/HSA Accepted
FDA WarningsNoneNone

Pros & Cons

1st Optimal

What we like

  • 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

Watch-outs

  • 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

RxSpan MD

What we like

  • Physician-led — founded by Dr. John Diaz, a board-certified plastic surgeon with 20+ years' experience
  • Compounded semaglutide and tirzepatide from $249/mo (injection or oral capsules), plus brand-name Wegovy, Zepbound and Ozempic
  • Names its 503A pharmacy partners (Belmar, Strive, Epiq Scripts, Casa Pharma) and medical group
  • LegitScript-certified (#50405601); free expedited shipping and unlimited 24/7 support included
  • Available in all 50 states via a 2-minute assessment

Watch-outs

  • Compounded pricing ($249 semaglutide / $329 tirzepatide) sits mid-to-high versus the cheapest telehealth options
  • Brand-name GLP-1 is priced steeply (Wegovy $1,349, Ozempic $1,299, Zepbound $1,069)
  • Multi-vertical practice (also hair, sexual health, longevity), not weight-loss-only
  • Legal entity name isn't published on the site

Our Verdict

Winner: RxSpan MDScore: 7.4/10

RxSpan MD edges out 1st Optimal with a higher overall score of 7.4/10 and is particularly strong for shoppers wanting physician-led, pharmacy-transparent compounded GLP-1 with brand-name options. 1st Optimal remains a solid alternative, especially if you're looking for Patients wanting GLP-1 therapy within a lab-driven functional-medicine program.

Key terms, explained

New to GLP-1s? Tap any term for a quick, plain-English definition.

Related comparisons

Continue exploring 1st Optimal and RxSpan MD head-to-heads in the same category.

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.