Doctor-prescribed · 100% online

Weight loss that works with your biology.

Compounded GLP-1 injections, branded options, and metabolic adjuncts, chosen by your doctor, dispensed by FDA-registered pharmacies, shipped to your door.

  • No insurance required
  • HSA & FSA accepted
  • Free expedited shipping
  • Cancel anytime
Peptide12 weight loss peptide therapy

Semaglutide Injection

From $199/mo

Compounded Semaglutide Injection

Treatments

Peptide12 weight loss peptide therapy patients

Real peptide medicine, real weight loss.

GLP-1 peptide therapy — compounded and branded — prescribed online by US-licensed doctors. No insurance hoops, no chatbot triage.

GLP-1 (glucagon-like peptide-1) is a hormone your gut releases after meals to quiet hunger, slow gastric emptying, and improve how your body uses glucose. GLP-1 peptide medicines — semaglutide and tirzepatide — are engineered versions of that signal. In pivotal trials, weekly semaglutide produced roughly 14–15% body-weight reduction at 68 weeks (STEP 1, NEJM 2021), and tirzepatide — a dual GIP/GLP-1 co-agonist — reached 18–22% at one year (SURMOUNT-1, NEJM 2022). These are the largest weight-loss effects ever recorded in a chronic weight-management trial.

Peptide12 offers every credible GLP-1 path — compounded semaglutide and tirzepatide for cash-pay flexibility, plus FDA-approved branded pens (Wegovy®, Ozempic®, Zepbound®, Mounjaro®) when your insurance covers them. Every protocol is reviewed by a US-licensed prescribing doctor, dispensed by FDA-registered 503A compounding or 503B outsourcing pharmacies, and shipped overnight in temperature-controlled packaging. Browse the full menu of weight-loss peptide treatments.

Start Your GLP-1 Protocol Today

Complete a quick online health intake

STEP

1

Share your health profile online. A US-licensed doctor reviews your fit and decides whether peptide therapy is right for you.

Complete a quick online health intake

Receive your prescription at your door

STEP

2

If approved, your custom prescription ships free and overnight in temperature-controlled packaging, arriving safely at your home.

Receive your prescription at your door

Get continuous care from your doctor

STEP

3

Message your care team anytime for dose adjustments, check-ins, and ongoing support that keeps you progressing toward your goals.

Get continuous care from your doctor

Why choose Peptide12?

Patients pick us for clinical rigor, transparent pricing, and care that doesn’t disappear after checkout.

FDA-registered pharmacies

Every prescription is compounded by FDA-registered 503A/503B pharmacies. Batch testing and certificates of analysis available on request.

US-licensed doctors

MDs licensed in your state, not just an order form. Your doctor titrates dosing and answers messages directly.

Transparent pricing

One flat price per protocol. No membership fees, no insurance hassle, no surprise charges. HSA and FSA accepted. Cancel anytime.

Care that doesn’t disappear

Message your doctor through your patient portal whenever you need to. Most replies within hours, never longer than 24.

What patients say

Real outcomes from people on GLP-1 weight-loss peptides, all under doctor supervision.

Down 42 lbs in 7 months on compounded semaglutide. The doctor adjusted my dose three times based on how I was tolerating it — felt actually managed, not just shipped a vial.

Yusuf B.

Boston, MA

Verified Customer

Came over from Wegovy because my insurance dropped coverage. Same active ingredient, a third the price, same results. Wish I’d switched sooner.

Renee A.

Tampa, FL

Verified Customer

Tirzepatide. 38 pounds in 5 months, A1C from 6.7 to 5.6. Bloodwork ordered before I started, again at 90 days. Real protocol, not a vending machine.

Mason F.

Salt Lake City, UT

Verified Customer

Wegovy covered through my insurance — Peptide12 handled the prior auth and I had the pen in two weeks. Doctor replied to messages same day, twice.

Ines L.

Charlotte, NC

Verified Customer

Finished my titration on compounded tirzepatide, transitioned to a maintenance dose. Lost 34 lbs total. My doctor walked me through the maintenance plan before I asked.

Theo R.

Portland, OR

Verified Customer

First GLP-1. The MD spent 20 minutes on the intake video call walking through side effects and what to watch for. Started low, no nausea, easy ramp up.

Kira N.

Nashville, TN

Verified Customer

Frequently asked questions

Start your GLP-1 protocol today.

From compounded GLP-1 peptides to branded weight-loss pens — one care team, one prescribing doctor, one transparent price.

  • No insurance hurdles — cash-pay or HSA/FSA
  • Doctor-led titration and dose adjustments
  • On-demand messaging with your care team
  • Free overnight, temperature-controlled shipping

Information for educational purposes only. Eligibility, dosing, and treatment decisions are made by a US-licensed prescribing doctor based on your medical history. Compounded medications are not FDA-approved as finished drug products and are prepared by FDA-registered 503A pharmacies under individualized prescription.

Peptide12 weight loss peptide treatment