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CoreAge Rx vs Harbor

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
CoreAge Rx logo

CoreAge Rx

8.3
★★★★☆4.2/5

Best for: best overall value

Visit CoreAge Rx →
VS
Harbor logo

Harbor

8.2
★★★★☆4.1/5

Best for: lowest-cost compounded GLP-1 with a 12-month money-back guarantee

Visit Harbor →

CoreAge Rx and Harbor 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, both start around $99/mo, and CoreAge Rx edges ahead overall (8.3 vs 8.2 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

CoreAge Rx

Injectable, monthly auto-refill (flat across all dosages)Compounded
$99/mo
semaglutide

same price at every dose

Injectable, monthly auto-refill (flat across all dosages)Compounded
$149/mo
tirzepatide

same price at every dose

Harbor

StartingCompounded
$99/mo
semaglutide

Weekly compounded semaglutide injection. Verbatim: 'From $99/mo'. Bundled plan covers medication, provider consultations, refill management, and shipping.

StartingCompounded
$149/mo
tirzepatide

Weekly compounded tirzepatide injection. Verbatim: 'From $149/mo'. Bundled plan covers medication, provider consultations, refill management, and shipping.

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What’s included

CoreAge Rx

What the monthly price covers

Medication

Included

Provider visits

Included

Shipping

Included

Lab work

Not disclosed

Coaching

Not disclosed

Harbor

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.

CoreAge Rx

8.3/10

Overall

Harbor

8.2/10

Value25%

8.5A
vs
B
9.0

Effectiveness25%

8.5A
vs
B
8.0

User Experience15%

8.5A
vs
B
8.0

Trust & Safety15%

7.8A
vs
B
7.8

Accessibility10%

8.0A
vs
B
7.0

Support10%

8.4A
vs
B
8.4

Features & Coverage

FeatureCoreAge RxHarbor
Starting Price$99/mo$99/mo
Features6 features✓8 features
States Available50Not disclosed
Compounded✓ Yes✓ Yes
Brand Name——
FSA/HSA Accepted—✓ Yes
FDA WarningsNoneNone

About CoreAge Rx

CoreAge Rx offers LegitScript-certified 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 →

About Harbor

Harbor is a physician-led telehealth platform offering compounded semaglutide (from $99/mo) and compounded tirzepatide (from $149/mo) — among the lowest headline prices in the market. Plans include weekly medication, ongoing provider consultations, refill management, and free 48-hour discreet shipping. Physicians provide 24/7 access and dosage adjustments via secure patient portal. Post-program dietitian support included. LegitScript certified; 4.7-star rating with 10,000+ members; 12-month money-back guarantee. HSA/FSA eligible.

Read our full Harbor review →

Pros & Cons

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

Harbor

What we like

  • Compounded semaglutide from $99/mo and tirzepatide from $149/mo — among the lowest headline prices in the market
  • LegitScript certified with 4.7-star rating, 94.6% success rate, and 10,000+ members
  • 24/7 physician access with ongoing consultations, dosage adjustments, and free discreet shipping
  • 12-Month Money Back Guarantee if you don't reach your weight-loss goal
  • HSA/FSA eligible; no hidden fees, no insurance billed

Watch-outs

  • Compounded medications are not FDA-approved; compounding pharmacy names not publicly disclosed
  • Dietitian support offered only post-program (maintenance phase), not during active treatment
  • State-specific consultation types vary; nationwide availability unconfirmed for all states
  • No labs disclosed; patient portal is a third-party platform (mdintegrations), not native
  • Newer brand; success rate and member counts are on-site claims, not third-party confirmed

Our Verdict

Winner: CoreAge Rx

CoreAge Rx edges out Harbor with a higher overall score of 8.3/10 and is particularly strong for best overall value. Harbor remains a solid alternative, especially if you're looking for lowest-cost compounded GLP-1 with a 12-month money-back guarantee.

Choose CoreAge Rx if…

You want best overall value and a starting price around $99/mo.

Choose Harbor if…

You want lowest-cost compounded GLP-1 with a 12-month money-back guarantee and a starting price around $99/mo.

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CoreAge Rx vs Harbor: FAQ

CoreAge Rx and Harbor have the same lowest ongoing monthly price of $99/mo, so price alone won't separate them — compare what each plan includes instead.
CoreAge Rx scores higher overall at 8.3/10 versus 8.2/10, and is particularly strong for best overall value. That said, Harbor is a better fit if you want lowest-cost compounded GLP-1 with a 12-month money-back guarantee.
CoreAge Rx lists availability in 50 states, while Harbor's state list is not publicly listed.
CoreAge Rx is an affiliate partner (we may earn a commission on sign-ups through our links); Harbor is not. Either way, we rank providers editorially with the same scoring framework and disclose every partnership — being a partner does not buy a higher score.
CoreAge Rx and Harbor list the same lowest price for Semaglutide: $99/mo.

Key terms, explained

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

Continue exploring CoreAge Rx and Harbor head-to-heads in the same category.

Or see the full category ranking.

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