RetatrutidevsSelank
Retatrutide vs Selank — 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 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.
A synthetic peptide derived from the naturally occurring immunomodulatory peptide tuftsin. Developed as an anxiolytic with nootropic properties, it modulates GABA and serotonin systems without sedation.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
Retatrutide vs Selank: At a Glance
Full comparison across all key factors.
| Factor | Retatrutide | SelankALLY PICK |
|---|---|---|
| Category | weight-loss | cognitive |
| Also Known As | LY3437943 | TP-7 |
| Administration | Subcutaneous injection (weekly) | Intranasal spray |
| Prescription | Required | Required |
| Providers | 3 providers | 4 providers✓ Better |
| 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 Retatrutide and Selank.
| Provider | Retatrutide | Selank | Consultation | Lab Testing |
|---|---|---|---|---|
 | $450/monthly | $120/monthly | Video Telehealth | Yes |
 | $480/monthly | $140/monthly | Video Telehealth | Yes |
 | $550/monthly | $160/monthly | Video Telehealth | Yes |
 | Not offered | $45/one-time | Async Telehealth | No |
Key Differences
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.
Selank
More ProvidersA synthetic peptide derived from the naturally occurring immunomodulatory peptide tuftsin. Developed as an anxiolytic with nootropic properties, it modulates GABA and serotonin systems without sedation.
Which Is Right for You?
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
Choose Selankif…
- You want a cognitive medication
- You prefer intranasal spray administration
- You want more provider options (4 available)
- Your primary goal is anxiety reduction
- Your primary goal is cognitive enhancement
Frequently Asked Questions
What is the difference between Retatrutide and Selank?
Which is cheaper, Retatrutide or Selank?
Can I switch from Retatrutide to Selank?
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.
Related Guides
Retatrutide: The Triple-Agonist GLP-1 That Could Change Everything
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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
Complete retatrutide dosing guide based on TRIUMPH Phase 3 clinical trial protocols. Titration schedule from 1mg to 12mg, dose adjustments, side effects at each step, and comparison to semaglutide and tirzepatide dosing.
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