Why a Spray?

Under the tongue, not under your skin.

THIN® is a sublingual spray — designed to absorb through the oral mucosa under the tongue instead of being swallowed and broken down in the stomach. No needles. No refrigerator. No fuss.

Sublingual Delivery Needle-Free No Refrigeration Pocket-Sized

Prescription-only compounded medication. Not FDA-approved. Absorption for any compounded sublingual formulation depends on the product and its supporting data.

Woman using THIN sublingual oral spray under the tongue
Sublingual / Oral Transmucosal Needle-Free No Refrigeration Travel-Friendly Easy to Maintain
Close-up of applying THIN spray beneath the tongue
Sublingual Delivery

Absorbed under the tongue — not broken down in the stomach.

The tissue under your tongue, the oral mucosa, is thin and rich with blood vessels. A sublingual — or oral transmucosal — spray is designed to be absorbed there, instead of traveling down to the stomach where digestion can break a medication apart before it takes effect.

  • Sprayed under the tongue in seconds
  • Designed to absorb through the oral mucosa
  • Not meant to be swallowed like a pill
  • A simple daily routine — commonly 2 pumps
The Everyday Advantages

Why people prefer a spray

Beyond skipping the needle, a spray fits into real life — at home, at work, and on the road.

Needle-Free

No injections, no sharps, no needle anxiety. A gentle spray under the tongue replaces the weekly shot — a relief for anyone tired of needles.

No Refrigeration

Unlike many injectables, there's no cold chain to manage. Keep it in a drawer, a bag, or a carry-on without worrying about a fridge.

Pocket-Sized Portability

The bottle slips into a pocket, purse, or gym bag. Traveling, commuting, or just out for the day — your routine comes with you.

Easier to Keep Up

A simple daily spray can be easier to stick with than a scheduled injection — which matters most during the long maintenance phase.

Fast Daily Routine

Two pumps under the tongue take seconds. No mixing, no dialing a dose, no prep — just a quick, consistent habit.

Discreet & Simple

No sharps container, no bruising, no clinical ritual. It looks and feels like an everyday oral spray you can use almost anywhere.

Injection vs. Spray

Same active ingredient class. A very different daily routine.

💉 Injectable GLP-1

  • • Weekly needle injection
  • • Refrigeration required
  • • Sharps to store and dispose of
  • • Harder to travel with
  • • Needle anxiety and fatigue are common

✨ THIN Oral Spray

  • Needle-free sublingual spray
  • No refrigeration needed
  • Nothing sharp to store or discard
  • Pocket-sized, on-the-go
  • Built for the maintenance phase
Built for the Long Game

Adherence is what makes maintenance work.

The hardest part of keeping weight off isn't the first week — it's the hundredth. A routine you'll actually keep up with is worth more than a perfect one you abandon. A needle-free spray is designed to be that easy, repeatable habit.

  • A quick daily habit instead of a weekly event
  • Nothing to schedule, mix, or refrigerate
  • Travels with you so you don't skip doses
  • Designed for the phase after GLP-1 weight loss
Man confidently maintaining his routine while dining out
An Honest Note

What we won't overstate

We think you deserve the full picture, not just the upside.

Please keep in mind

  • • Absorption for any compounded sublingual formulation depends on the specific product and its supporting data — sublingual delivery is not automatically equivalent to an injection.
  • • THIN®, THIN-R®, and THIN-ST® are compounded and are not FDA-approved. Compounded drugs are not reviewed by the FDA for safety, effectiveness, or manufacturing quality.
  • • A spray is dispensed only when a licensed provider determines it is medically appropriate for you.
  • • Individual results vary. This page is educational and is not medical advice.
Lose the Needle

A needle-free routine you'll actually keep.

See if a sublingual, prescription-only GLP-1 spray may be right for your maintenance phase.

Start Your Evaluation