Head-to-head · WeighScore
Arc-1 vs Knownwell
The verdict
Knownwell takes it — 66.9/100 to 56.3/100.
Knownwell grades higher on WeighScore, our editorial score across cost value, dose & formulation, clinical oversight, labs & monitoring, fulfillment and contract terms. Knownwell is a weight-inclusive metabolic and primary care company co-founded by obesity-medicine specialist Dr.
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Factor by factor
The same six graded dimensions, side by side. See the methodology.
The numbers
| Metric | Arc-1 | Knownwell |
|---|---|---|
| WeighScore | 56.3/100 | 66.9/100 |
| Grade | C | C |
| Scorecard rank | #417 | #180 |
| Semaglutide | $200/mo (0.5 mg dose, compounded) | Not disclosed |
| Tirzepatide | $200/mo (2.5 mg dose, compounded) | $349/mo (brand Zepbound) |
| Coverage | Coverage not published | All 50 states |
| Brand-name access | Compounded only | Yes |
| Oral / sublingual | Injection only | Yes |
Graded #417 · C
Strengths
- Both compounded semaglutide and tirzepatide available
- Per-dose purchasing — no subscription or membership required
- 25% off plus free shipping promotion
- Broader longevity formulary (rapamycin, NAD+, sermorelin)
- LegitScript Certified badge now displayed on product pages
Where it loses points
- No legal entity name or address disclosed
- State availability not disclosed
- No named clinicians or pharmacy partners
- Per-dose pricing still climbs with dose (semaglutide 2.5mg is $549.99/mo, tirzepatide 7.5mg $399.99/mo)
Graded #180 · C
Strengths
- Co-founded by obesity-medicine specialist Dr. Angela Fitch
- Branded FDA-approved GLP-1s (Wegovy, Zepbound, Ozempic, Saxenda)
- Official LillyDirect provider and Novo Wegovy-pill telehealth partner
- Accepts insurance, copays as low as $25 for covered patients
- Weight-inclusive care with dietitians and health coaches
Where it loses points
- Specific self-pay monthly medication prices not transparently posted
- In-person clinics limited to four metro areas
- Branded-only focus can mean higher cost than compounded routes
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.