Head-to-head · WeighScore
Call-On-Doc vs Immortals
The verdict
Immortals takes it — 61.8/100 to 61.3/100, but only just.
Immortals grades higher on WeighScore, our editorial score across cost value, dose & formulation, clinical oversight, labs & monitoring, fulfillment and contract terms. Immortals is a LegitScript-certified longevity telehealth platform founded by Bryan Johnson, offering compounded semaglutide (Semaglutide/Glycine/B12) and tirzepatide (Tirzepatide/Glycine/B12) as microdose… Call-On-Doc is close behind and may still be the better fit — see the factor split below.
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Factor by factor
The same six graded dimensions, side by side. See the methodology.
The numbers
| Metric | Call-On-Doc | Immortals |
|---|---|---|
| WeighScore | 61.3/100 | 61.8/100 |
| Grade | C | C |
| Scorecard rank | #297 | #284 |
| Semaglutide | Not disclosed | $167/mo (microdose tier, compounded) |
| Tirzepatide | Not disclosed | $180/mo (microdose tier, compounded) |
| Coverage | All 50 states | Coverage not published |
| Brand-name access | Yes | Compounded only |
| Oral / sublingual | Injection only | Injection only |
Graded #297 · C
Strengths
- Prescribes branded GLP-1s (Wegovy, Ozempic, Mounjaro, Zepbound, Saxenda)
- Available in all 50 states plus DC
- Fast, no-appointment visits usually completed within two hours
- Patients can use insurance at the pharmacy plus an Rx savings card
- Large, well-reviewed platform (2M+ patients, 800k+ 5-star reviews)
Where it loses points
- Specific visit fee and medication pricing not posted on homepage
- Credit card required for the visit fee
- Multi-condition focus rather than weight-loss specialist
- Provider credentials described only generically
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.