Head-to-head · WeighScore
Harbor vs Immortals
The verdict
Harbor takes it — 72/100 to 61.8/100.
Harbor grades higher on WeighScore, our editorial score across cost value, dose & formulation, clinical oversight, labs & monitoring, fulfillment and contract terms. 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.
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Factor by factor
The same six graded dimensions, side by side. See the methodology.
The numbers
| Metric | Harbor | Immortals |
|---|---|---|
| WeighScore | 72/100 | 61.8/100 |
| Grade | C | C |
| Scorecard rank | #86 | #284 |
| Semaglutide | $99/mo (starting dose, compounded) | $167/mo (microdose tier, compounded) |
| Tirzepatide | $149/mo (starting dose, compounded) | $180/mo (microdose tier, compounded) |
| Coverage | Coverage not published | Coverage not published |
| Brand-name access | Compounded only | Compounded only |
| Oral / sublingual | Injection only | Injection only |
Graded #86 · C
Strengths
- 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+ verified 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
Where it loses points
- 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 verified
Graded #284 · C
Strengths
- LegitScript certified (ID 50458743) with board-certified U.S. physician review within 72 hours
- Physician consult + prescription bundled in price — 'You pay for treatment. That's it' with no added fees
- Competitive pricing: semaglutide microdose from $167/month, tirzepatide from $180/month (promotional)
- Unlimited provider messaging for 12 months included; video consults available
- Founded by Bryan Johnson and Kate Tolo; clinical lead Dr. Carl Seger, M.D. (preventive/longevity medicine)
Where it loses points
- Microdose framing uses sub-clinical doses — lower weight-loss efficacy than standard GLP-1 protocols
- Quarterly commitment only — 3-month minimum, paid upfront ($501–$540/quarter); no monthly flexibility
- State availability not publicly listed; 'eligible U.S. states' with no specific state list
- Labs not included; baseline bloodwork protocol not disclosed on any public page
- Compounding pharmacy not named; no 503A/503B accreditation details disclosed
Also worth a look
Neither is our top-graded pick — CoreAge Rx leads the scorecard
Across all 499 providers, CoreAge Rx grades highest at 91.8/100 (A−). Top of the scorecard: flat transparent pricing, both molecules, nationwide — no teaser-rate games.
Pricing/verification reflect each provider's public disclosures at last grading; the WeighScore is our editorial judgment per the methodology. Prices change — confirm on each provider's site. Not medical advice; see our disclosure.