KisspeptinvsRetatrutide
Kisspeptin vs Retatrutide — independent comparison of uses, administration, pricing across providers, and key differences. Last reviewed April 21, 2026.
Quick Verdict
Based on clinical evidence and real patient data
A hypothalamic neuropeptide that acts as the primary regulator of the reproductive endocrine axis, triggering GnRH release and downstream LH/FSH production. Used to evaluate and treat disorders of sexual function and fertility in both men and women.
A next-generation triple agonist targeting GLP-1, GIP, and glucagon receptors simultaneously. Phase 3 clinical trials show weight loss exceeding tirzepatide, positioning it as the most potent anti-obesity peptide in development.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
Kisspeptin vs Retatrutide: At a Glance
Full comparison across all key factors.
| Factor | Kisspeptin | Retatrutide |
|---|---|---|
| Category | sexual-health | weight-loss |
| Also Known As | Metastin, KP-10, KP-54 | LY3437943 |
| Administration | Subcutaneous injection | Subcutaneous injection (weekly) |
| Prescription | Required | Required |
| Providers | 3 providers | 3 providers |
| Common Uses |
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Data sourced from FDA prescribing information and peer-reviewed clinical trials. Prices reflect telehealth platform costs as of April 21, 2026. See our methodology.
Pricing by Provider
3 providers offer both Kisspeptin and Retatrutide.
| Provider | Kisspeptin | Retatrutide | Consultation | Lab Testing |
|---|---|---|---|---|
 | $200/monthly | $450/monthly | Video Telehealth | Yes |
 | $220/monthly | $480/monthly | Video Telehealth | Yes |
 | $260/monthly | $550/monthly | Video Telehealth | Yes |
Key Differences
Kisspeptin
A hypothalamic neuropeptide that acts as the primary regulator of the reproductive endocrine axis, triggering GnRH release and downstream LH/FSH production. Used to evaluate and treat disorders of sexual function and fertility in both men and women.
Retatrutide
A next-generation triple agonist targeting GLP-1, GIP, and glucagon receptors simultaneously. Phase 3 clinical trials show weight loss exceeding tirzepatide, positioning it as the most potent anti-obesity peptide in development.
Which Is Right for You?
Choose Kisspeptinif…
- You want a sexual-health medication
- You prefer subcutaneous injection administration
- 3 providers available on our platform
- Your primary goal is low libido
- Your primary goal is hormonal balance
Choose Retatrutideif…
- You want a weight-loss medication
- You prefer subcutaneous injection (weekly) administration
- 3 providers available on our platform
- Your primary goal is weight loss
- Your primary goal is metabolic health
Frequently Asked Questions
What is the difference between Kisspeptin and Retatrutide?
Which is cheaper, Kisspeptin or Retatrutide?
Can I switch from Kisspeptin to Retatrutide?
Medical Disclaimer
This comparison is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider before starting, stopping, or changing any medication. Individual results may vary. The information presented reflects publicly available data and may not account for your specific health situation.
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Read guide →Retatrutide Cost: What Will Eli Lilly's Triple-Agonist Cost When It Launches?
No official pricing exists for retatrutide — it hasn't been FDA-approved. Based on Lilly's existing portfolio, expect a list price of $1,000-1,500/mo with LillyDirect pricing potentially reducing that to $299-449/mo. Here's what we know, what we can project, and how to prepare.
Read guide →Retatrutide Dosing Guide: Titration Schedule, Dose Steps & What to Expect
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