SelankvsTB-500
Selank vs TB-500 — 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 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.
A synthetic fragment of thymosin beta-4, a naturally occurring peptide involved in tissue repair and regeneration. Studied for its ability to promote healing of muscles, tendons, ligaments, and skin.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
Selank vs TB-500: At a Glance
Full comparison across all key factors.
| Factor | Selank | TB-500ALLY PICK |
|---|---|---|
| Category | cognitive | recovery |
| Also Known As | TP-7 | Thymosin Beta-4 Fragment |
| Administration | Intranasal spray | Subcutaneous injection |
| Prescription | Required | Required |
| Providers | 4 providers | 6 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
4 providers offer both Selank and TB-500.
| Provider | Selank | TB-500 | Consultation | Lab Testing |
|---|---|---|---|---|
 | $45/one-time | $40/one-time | Async Telehealth | No |
 | $120/monthly | $180/monthly | Video Telehealth | Yes |
 | $140/monthly | $195/monthly | Video Telehealth | Yes |
 | $160/monthly | $240/monthly | Video Telehealth | Yes |
 | Not offered | $165/monthly | Video Telehealth | No |
 | Not offered | $199/monthly | Video Telehealth | Yes |
Key Differences
Selank
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.
TB-500
More ProvidersA synthetic fragment of thymosin beta-4, a naturally occurring peptide involved in tissue repair and regeneration. Studied for its ability to promote healing of muscles, tendons, ligaments, and skin.
Which Is Right for You?
Choose Selankif…
- You want a cognitive medication
- You prefer intranasal spray administration
- 4 providers available on our platform
- Your primary goal is anxiety reduction
- Your primary goal is cognitive enhancement
Choose TB-500if…
- You want a recovery medication
- You prefer subcutaneous injection administration
- You want more provider options (6 available)
- Your primary goal is muscle repair
- Your primary goal is tendon healing
Frequently Asked Questions
What is the difference between Selank and TB-500?
Which is cheaper, Selank or TB-500?
Can I switch from Selank to TB-500?
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.