Retatrutide

t½ 6 days
LY3437943Reta

An investigational triple-agonist peptide targeting GIP, GLP-1, and glucagon receptors for weight management.

Dosing Ranges

Conservative

Starting dose

10 mcg/kg

Moderate

Standard dose

50 mcg/kg

Research dose

Aggressive dose

80 mcg/kg

Doses are in mcg per kg of body weight. Use the Dosage Calculator to get your exact dose.

Protocol Details

Frequency

1x per week

Cycle Length

Ongoing (research phase)

Administration

Subcutaneous injection

Research Notes

  • 1Triple-agonist: GIP + GLP-1 + Glucagon receptors.
  • 2Still in clinical trials — not yet FDA-approved.
  • 3Early data shows significant weight loss potential.
  • 4Dose titration is essential.

Common Vial Sizes

5 mg10 mg

Calculate your dose

Enter your body weight to get your exact dose in mcg for Retatrutide.

Open Dosage Calculator

More tools

Reconstitution

BAC water + injection volume

Half-Life Visualizer

Concentration curve over time

Syringe Converter

IU ↔ mL across syringe types

Where to source peptides

Research Use Only

Apollo Peptides

High-purity peptides, COA on every batch

20% commission

Peptide Sciences

US-based, 98%+ purity, fast shipping

Limitless Life Nootropics

Wide catalog, quantity discounts

For research use only. PepStack may earn a commission on purchases made through these links — at no extra cost to you.

For informational and research tracking purposes only. Not medical advice. Always consult a qualified healthcare professional before starting any peptide protocol.

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