TrimRx vs Willow

Both sell tirzepatide. TrimRx costs $399 a month and Willow costs $399. The desk reads it as follows.

TrimRx is all-inclusive compounded pricing. Willow is straightforward single-price plans. They are not aimed at the same person, and the cheaper one is not automatically the right answer — though on this board it usually is.

Advert against bill. TrimRx advertises $349 and bills $399; Willow advertises $399 and bills $399. The gaps are different sizes, which means comparing the two on their advertised prices gives you the wrong answer.

Side by side

Prices verified 2026-09-18. "True monthly cost" is what you are billed in month two, once any introductory rate has lapsed and any membership has renewed.

The split

On every attribute we track these two behave identically — same answer on dose pricing, commitment, pharmacy disclosure, formats, insurance and what the price includes. When that happens the decision really is just the monthly figure, and TrimRx is level on price.

What each puts on the record: TrimRx

• Compounded tirzepatide advertised at $349/month.
• Checkout has been reported billing $399/month on ongoing month-to-month terms.
• Pricing is described as all-inclusive of consultation, medication and supplies.

Where it wins: One price covers consultation, medication and supplies. Watch for: Read the ongoing rate on the checkout screen, not the landing page. Reported billing is $399/month.

What each puts on the record: Willow

• Compounded tirzepatide listed at $399/month.

Where it wins: A single price with no membership arithmetic. Watch for: There is little published detail on how dose changes are handled. Ask before committing.

In each one’s favour

TrimRx.

• One price covers consultation, medication and supplies.
• No separate membership fee.

Willow.

• A single price with no membership arithmetic.

How they score

TrimRx scores higher overall at 2.9 out of 5. The weights are published on how we rate, and so is the note about which of these is our paid featured partner.

The desk’s call

• Pick TrimRx if cost is the binding constraint. Over a year the gap is about $0, which is real money for the same class of medication.
• Pick Willow if what it does better matters to you — a single price with no membership arithmetic.
• Ask both which pharmacy compounds the medication and whether it is a 503A or 503B facility. Neither publishes it.

The verdict

On the board, TrimRx at $399 a month is the more defensible choice on arithmetic alone. Willow earns its premium only if you will actually use what it does differently. Read the full reviews before deciding: TrimRx and Willow.

How they sit against everyone else