Head-to-head · computed 2026-08-11
Oak Longevity vs Willow
Oak Longevity: A small cash-pay telehealth program whose $133/month flat semaglutide price is currently the lowest month-to-month figure in our semaglutide index. Willow: Willow sells patient-specific 503A compounded tirzepatide at a flat $399 a month at every dose, telehealth and shipping included, in 33 states as of mid-2026 reporting.
Tirzepatide
Only Willow offers tirzepatide ($399 a month billed monthly); Oak Longevity does not, so there is no contest to score.
Semaglutide
Only Oak Longevity offers semaglutide ($133 a month billed monthly); Willow does not, so there is no contest to score.
Where the structures genuinely differ
On verifiability, Oak Longevity names its dispensing pharmacy — which means the fifteen-minute license-and-records check is possible — while Willow's pharmacy is not disclosed on record, the single structural fact this desk weighs heaviest after the FDA's 2026 letters cited exactly that practice.
Structure, side by side
Oak Longevity
- MembershipNone
- Dose policyDose-flat (stated)
- CommitmentMonth-to-month
- CancellationCancel before renewal
- PharmacyPartner 503A pharmacy (not publicly itemized)
Willow
- MembershipNone
- Dose policyDose-flat per captured reporting: flat $399 at every dose
- CommitmentMonthly
- CancellationPer published terms; confirm at checkout
- PharmacyPatient-specific 503A compounding (pharmacy unnamed on captured materials)
What our desk is watching on each
Oak Longevity: Small operator; pharmacy partner not publicly itemized. Price captured from the provider's published pages; checkout capture pending.
Willow: Reported from a June 15, 2026 comparison table (MenoMellow) — our own capture pending; the flat-at-every-dose structure and 33-state footprint both carry that single-source status until independently confirmed. Pharmacy unnamed on captured materials.
Questions people ask
Is Oak Longevity or Willow cheaper in 2026?
The tirzepatide and semaglutide verdict blocks above give the computed answer at the maintenance basis, with the verification status of each figure; the short version is that whichever program's all-in monthly number is lower on this page is cheaper on the evidence we hold today, and both rows carry capture dates so you can judge freshness.
What does Oak Longevity vs Willow miss that checkout will show?
Taxes, state availability, current promotions, and any dose surcharge introduced after our capture date. Screenshot the order summary before paying — that capture, not any comparison page, is your contract.
Why do you compare at the maintenance dose instead of the starting dose?
Because starter pricing lasts one or two months and maintenance pricing lasts the rest of the year; comparing starts against maintenances is the single most common way GLP-1 comparisons mislead.
Both records live in the normalized database; re-run the math yourself from the downloads. Full record pages: Oak Longevity · Willow. Official sites: Oak Longevity ↗ · Willow ↗. Nothing here is medical advice.