GLP Watchdog

Willow vs Wisp

Neither Willow nor Wisp has an FDA warning letter on record. No price lines up like for like: Willow and Wisp publish prices for different products.

To see where both sit among the other sellers, read our best weight-loss injection providers board.

By Ruth Calder · Enforcement Editor
Editorially reviewed. Not medical advice · How we verify contentLast reviewed

The record

Willow / Wisp

Willow logo

Willow

7.3/10

Wisp logo

Wisp

7.1/10

FDA warning letters
None on record
None on record
Pharmacy
None named in our record
Lowest standing price
$299/moCompounded semaglutide injection
$225/moCompounded oral semaglutide
States
35 states
39 states
Checked
Prices captured Record checked September 2026
Prices captured Record checked September 2026
Visit Willow
Visit Wisp

Neither Willow nor Wisp pays us. Links to them earn nothing. Scores: Willow 7.3, Wisp 7.1. How we are paid

What the record shows

  1. 01

    Neither Willow nor Wisp has an FDA warning letter on record.

  2. 02

    Willow names five pharmacies. Wisp names no compounding pharmacy in our record.

  3. 03

    No price lines up like for like: Willow and Wisp publish prices for different products.

  4. 04

    Only Willow lists a price for compounded semaglutide injection and compounded tirzepatide injection. Only Wisp lists a price for compounded oral semaglutide.

  5. 05

    Willow covers six states Wisp does not and Wisp covers 10 states Willow does not.

Prices and terms, product by product

A price is set against the other side only for the same product, and only when both are standing monthly or 4-week rates. Those pairs are compared by yearly cost.

Willow

Wisp

Compounded semaglutide injection

$299/mo

$3,588 a year

Not sold or not priced
Compounded tirzepatide injection

$399/mo

$4,788 a year

Not sold or not priced
Compounded oral semaglutide
Not sold or not priced

$225/mo

$2,700 a year

Price includes
Medication, clinician visits, shipping
Medication, shipping
Cancel any time
Yes, stated
Yes, stated
Minimum term
None
Not stated
Refunds
Full refund if you cancel before the prescription is sent to the pharmacy; none once the medication is compounded
All sales are final

Read off each seller’s own pages. Willow: July 10, 2026. Wisp: September 28, 2026. Every plan and dose we hold is on the full review.

The case for each

The case for Willow

7.3/10
  • Sells compounded semaglutide injection and compounded tirzepatide injection, which Wisp does not price
  • Names its compounding pharmacy
Visit Willow

The case for Wisp

7.1/10
  • Sells compounded oral semaglutide, which Willow does not price
  • Names no compounding pharmacy
Visit Wisp

Scores

Willow 7.3 · Wisp 7.1 out of 10. Six weighted parts.

Value25%

3.0A
vs
B
4.1

Effectiveness25%

10.0A
vs
B
10.0

User Experience15%

8.0A
vs
B
8.0

Trust & Safety15%

9.0A
vs
B
7.5

Accessibility10%

7.6A
vs
B
8.2

Support10%

7.0A
vs
B
4.5

The score is the same formula for every seller. Payment does not enter it. Method

Willow vs Wisp: questions

Neither Willow nor Wisp has an FDA warning letter on record. Letters are matched to a seller by company, domain and address, never by a similar name.
Willow names five pharmacies. Wisp names no compounding pharmacy in our record. A 503A pharmacy compounds for named patients on a prescription; a 503B outsourcing facility is registered with FDA and inspected under federal manufacturing rules.
No price lines up like for like: Willow and Wisp publish prices for different products. We only set two prices against each other when they are for the same product and both are standing month-to-month or 4-week rates.
Willow states you can cancel at any time; refunds: full refund if you cancel before the prescription is sent to the pharmacy; none once the medication is compounded. Wisp states you can cancel at any time; refunds: all sales are final.
Neither Willow nor Wisp pays us. Links to them earn nothing. Scores: Willow 7.3, Wisp 7.1.

Other sellers we are paid by

Affiliate partners outside this pair. Each has its own record and review, scored the same way.

Sellers closest to these two

Matched on molecule, form and price. Every pair we list · The register