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1st Optimal vs CoreAge Rx

An in-depth comparison of two leading GLP-1 Providers

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By Eli Marsden · Founding Editor
Editorially reviewed & fact-checked against primary sources · How we verify contentLast reviewed
1st Optimal logo

1st Optimal

6.7
★★★☆☆3.4/5

Best for: Patients wanting GLP-1 therapy within a lab-driven functional-medicine program

Visit 1st Optimal
VS
CoreAge Rx logo

CoreAge Rx

8.3
★★★★4.2/5

Best for: best overall value

Visit CoreAge Rx

1st Optimal and CoreAge Rx 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, CoreAge Rx starts at $149/mo, and CoreAge Rx edges ahead overall (8.3 vs 6.7 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

1st Optimal

Pricing not publicly listed.

CoreAge Rx

0.25mgCompounded
$149/mo
semaglutide
0.5mgCompounded
$199/mo
semaglutide
1mgCompounded
$249/mo
semaglutide
1.7mgCompounded
$299/mo
semaglutide
2.5mgCompounded
$349/mo
tirzepatide

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What’s included

1st Optimal

Inclusions not disclosed.

CoreAge Rx

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.

1st Optimal

6.7/10

Overall

CoreAge Rx

8.3/10

Value25%

6.5A
vs
B
8.5

Effectiveness25%

7.0A
vs
B
8.5

User Experience15%

6.5A
vs
B
8.5

Trust & Safety15%

6.5A
vs
B
7.8

Accessibility10%

6.5A
vs
B
8.0

Support10%

7.4A
vs
B
8.4

Features & Coverage

Feature1st OptimalCoreAge Rx
Starting Price$149/mo
Features8 features6 features
States AvailableNot disclosed50
Compounded✓ Yes
Brand Name
FSA/HSA Accepted
FDA WarningsNoneNone

About 1st Optimal

1st Optimal is a Michigan-based telehealth and functional-medicine platform offering GLP-1 weight loss medications, including semaglutide and tirzepatide, as once-weekly injections or daily oral tablets. Its model pairs prescription GLP-1 therapy with at-home lab testing, blood-work interpretation, unlimited coaching, and personalized protocols framed around long-term weight loss and longevity. Care is delivered virtually by credentialed providers, and treatments ship to the home with no long-term contracts. The site does not publish monthly pricing or a state list.

Read our full 1st Optimal review →

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 →

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

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

Our Verdict

Winner: CoreAge Rx

CoreAge Rx edges out 1st Optimal with a higher overall score of 8.3/10 and is particularly strong for best overall value. 1st Optimal remains a solid alternative, especially if you're looking for Patients wanting GLP-1 therapy within a lab-driven functional-medicine program.

Choose 1st Optimal if…

You want Patients wanting GLP-1 therapy within a lab-driven functional-medicine program.

Choose CoreAge Rx if…

You want best overall value and a starting price around $149/mo.

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1st Optimal vs CoreAge Rx: FAQ

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