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The protocol

One molecule, three pathways

Reta1 is built on a triple-agonist peptide — the most studied new class in metabolic medicine. One weekly dose engages GLP-1, GIP and glucagon together: appetite, insulin response and energy expenditure.

Held to pharmaceutical standards

Pharmaceutical-grade

cGMP-manufactured

Third-party tested

purity verified

Cold-chain shipped

to your door

Clinician-reviewed

every request

See your potential

How much could you lose? Slide to find out.

220 lbs

150 lbs400 lbs

In 6 months you could lose

−53 lbs

weighing 167 lbs by month six

  • One dose a week
  • Clinician-guided
  • No clinic visits
Start my plan

Projection based on Jastreboff AM, et al. Triple-Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 Trial. NEJM, 2023. Individual results vary.

Built around you

A plan built around you,
not a template.

Your starting point, goals, tolerance, and lifestyle shape a clinician-reviewed protocol that adjusts as you progress.

  • Your starting point
  • Your goals
  • Your tolerance
  • Your lifestyle
  1. 01Get your complete metabolic baseline
  2. 02See your projected weight-reduction trajectory
  3. 03Get your personalised titration protocol
  4. 04Track your progress and see real change
A personalised Reta1 protocol dashboard showing baseline metrics, weekly dose schedule and progress tracking
Is this right for me?

Serious medicine,
handled with care.

Peptide therapy is powerful — and that means it deserves real oversight. Here’s how we keep Reta1 safe, honest, and human.

A clinician reviews every request

Reta1 isn't right for everyone. A licensed clinician reviews your intake and confirms eligibility before anything ships.

Conservative, transparent dosing

We start low and titrate slowly to minimize side effects. You'll always know exactly what you're taking and why.

Support that doesn't disappear

Our care team is one message away throughout your protocol. Big change is easier when you're never doing it alone.

Start my plan

Start your protocol, shipped to your door.

Join the 12,000+ people on their Reta1 protocol. Start your plan, complete a short clinician-reviewed intake, and we’ll take it from there.

  • Choose your plan and check out in minutes
  • 90-day money-back guarantee — lose weight or pay nothing
  • Clinician-reviewed intake right after — pause or cancel anytime
Start my plan