TrimRx vs Willow

Neither TrimRx nor Willow has an FDA warning letter on record. On compounded semaglutide injection, the standing prices are within $1 a month of each other: $299 at TrimRx and $299 at Willow.

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

TrimRx / Willow

Featured pick (affiliate partner)

TrimRx logo

TrimRx

6.4/10

Willow logo

Willow

7.3/10

FDA warning letters
None on record
None on record
Pharmacy
None named in our record
Lowest standing price
$299/moCompounded semaglutide injection
$299/moCompounded semaglutide injection
States
No state list published
35 states
Checked
Prices captured Record checked October 2026
Prices captured Record checked September 2026

TrimRx is our featured pick on this page because it is an affiliate partner: we are paid if you sign up through our link. Willow pays us nothing. The scores are computed the same way for both and are shown as computed (TrimRx 6.4, Willow 7.3). How we are paid

What the record shows

  1. 01

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

  2. 02

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

  3. 03

    On compounded semaglutide injection, the standing prices are within $1 a month of each other: $299 at TrimRx and $299 at Willow.

  4. 04

    Only TrimRx lists a price for brand-name semaglutide pen and brand-name tirzepatide pen.

  5. 05

    Willow lists 35 states. TrimRx publishes no state list.

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.

TrimRx

Willow

Compounded semaglutide injection

$299/mo

$3,588 a year

$299/mo

$3,588 a year

Compounded tirzepatide injection

$399/mo

$4,788 a year

$399/mo

$4,788 a year

Brand-name semaglutide pen

$1,299/mo

$15,588 a year

Not sold or not priced
Brand-name tirzepatide pen

$1,399/mo

$16,788 a year

Not sold or not priced
Price includes
Medication, clinician visits, shipping
Medication, clinician visits, shipping
Cancel any time
Yes, stated
Yes, stated
Minimum term
None on the monthly plan; multi-month plans are prepaid
None
Refunds
Full refund if a provider finds you ineligible; other refund requests within 28 days of payment
Full refund if you cancel before the prescription is sent to the pharmacy; none once the medication is compounded

Read off each seller’s own pages. TrimRx: October 25, 2026. Willow: July 10, 2026. Every plan and dose we hold is on the full review.

The case for each

The case for TrimRx

6.4/10
Featured pick (affiliate partner)
  • Sells brand-name semaglutide pen and brand-name tirzepatide pen, which Willow does not price
  • Names no compounding pharmacy
  • Publishes no state list

The case for Willow

7.3/10
  • Names its compounding pharmacy

Scores

TrimRx 6.4 · Willow 7.3 out of 10. Six weighted parts.

Value25%

2.2A
vs
B
3.0

Effectiveness25%

10.0A
vs
B
10.0

User Experience15%

8.0A
vs
B
8.0

Trust & Safety15%

6.5A
vs
B
9.0

Accessibility10%

5.0A
vs
B
7.6

Support10%

7.0A
vs
B
7.0

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

TrimRx vs Willow: questions

Neither TrimRx nor Willow 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. TrimRx 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.
Neither, by more than $1 a month. TrimRx charges $299 a month and Willow $299 a month.
TrimRx states you can cancel at any time; refunds: full refund if a provider finds you ineligible; other refund requests within 28 days of payment. 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.
TrimRx is our featured pick on this page because it is an affiliate partner: we are paid if you sign up through our link. Willow pays us nothing. The scores are computed the same way for both and are shown as computed (TrimRx 6.4, Willow 7.3).

Other sellers we are paid by

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

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

Brand names on this page are registered marks. Novo Nordisk holds Wegovy®, Ozempic® and Rybelsus®; Eli Lilly holds Zepbound®, Mounjaro® and Foundayo®. Neither company has any tie to GLP Watchdog. Trademarks