Prism Labs lists Selank in 5 mg and 10 mg sizes; at capture, it listed 10 mg as in stock and 5 mg as out of stock. Its maker markets it for cognitive-signaling, stress-response, and immune-modulation research; as of October 28, 2026, the listed price is $24.99 for 5 mg and $35.99 for 10 mg. The seller says all sales are final. Damaged or incorrect items may be eligible for review if buyers contact support within 48 hours with the required photos and meet the stated return conditions. Prism Labs displays a lot-specific COA with purity, identity, and content information. while the product page focuses on research material specifications, testing, shipping, and ordering.
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| What it is | Selank research peptide in a lyophilized vial; listed in 5 mg and 10 mg sizes. |
| Who sells it | Prism Labs |
| Price as shown and when | $24.99 for 5 mg; $35.99 for 10 mg, shown October 28, 2026. |
| Guarantee or returns | All sales final; damaged or incorrect orders may be reviewed when reported within 48 hours of delivery with photos. |
| How to contact the seller | support@prismlabs.store; (512) 862-7396; support hours listed as 5 AM–7 PM CT daily. |
| Product Page | Where to Buy |
What is Prism Labs Selank, and who is it for?
Prism Labs describes Selank as a peptide for laboratory research. The listing shows 5 mg and 10 mg sizes; the displayed 10 mg vial label identifies a 3 mL vial.
Selank is different from Semax, even though shoppers may see both in peptide results. Prism Labs lists Semax as a separate research product; this review concerns the Selank vial and its associated records.
What does Prism Labs say Selank is for?
Prism Labs markets Selank for cognitive-signaling, stress-response, and immune-modulation research. The seller says the vial is not for human or veterinary use and does not provide dosage or guidance for unauthorized use; it does provide research-use reconstitution resources.
The product comes as lyophilized powder in a vial, not a nasal spray. Prism Labs also describes research-reference material, storage information, and a reconstitution calculator as resources for laboratory work.
What is in the vial, and what testing does Prism Labs show?
| Specification | What Prism Labs lists |
|---|---|
| Compound | Selank |
| Format | Lyophilized vial |
| Listed sizes | 5 mg and 10 mg |
| Vial size | Displayed 10 mg vial label: 3 mL. |
| Reference sequence | H-TKPRPGP-OH |
| Reference molecular formula | C33H57N11O9 |
| Reference CAS number | 129954-34-3 |
| Displayed lot | Lot 781136; labeled 10 mg; measured content 10.66 mg |
| Displayed purity result | 99.63%, dated October 26, 2026 |
| Other displayed panel items | Identity confirmed by HPLC; the panel lists heavy-metals, sterility, and endotoxin testing. Visible results include heavy metals: PASS (Sep 23) and endotoxin: NMT 0.05 EU/mL (Sep 23). |
Prism Labs says every batch is independently third-party tested and that product-page COAs include purity, content, and identity. Its FAQ says reports may also include heavy-metals, sterility, and endotoxin screening when applicable.
What does Prism Labs Selank cost?
Prices are as of October 28, 2026; check checkout for today’s total. Prism Labs says its orders are one-time purchases, not subscriptions, and that volume discounts apply across the vials in an order.
| Item or order detail | Price or term |
|---|---|
| 5 mg vial | $24.99 |
| 10 mg vial | $35.99 |
| Two-vial discount | 5% off per vial |
| Three-vial discount | 10% off per vial |
| Five-vial discount | 14% off per vial |
| Ten or more vials | 18% off per vial |
| UPS Ground | $8.99; free on orders over $125 |
| UPS 2nd Day Air | $14.99 |
| Subscription or rebilling | No subscription; each order is a one-time purchase. |
Prism Labs says orders placed before 4:30 PM Central may ship the same day when inventory is available. UPS Ground is estimated at one to five business days and UPS 2nd Day Air at two business days; selected orders may undergo additional testing before shipment.
How do returns, cancellations, and shipping protection work?
Prism Labs says all sales are final and does not accept change-of-mind returns or exchanges. For an item that arrives damaged or differs from the order, the seller asks buyers to contact support within 48 hours of delivery with photos of the item, outer packaging, and shipping label. Shipment protection is included at no extra cost.
For an order change or cancellation, the FAQ directs buyers to email support@prismlabs.store promptly with the order number. Changes may no longer be available once fulfillment begins or a shipping label has been created. The terms say that if Prism Labs cancels an order before shipment after collecting payment, it will refund the amount actually received to the original payment method where available, or by another commercially reasonable method.
Are there side effects, and can Selank be taken daily or at night?
This Prism Labs vial is sold and labeled for laboratory research only. It is not a consumer-use product, so there are no dosing, timing, nasal-spray, cycling, stacking, or personal-use instructions here.
Questions about sleep changes, mood changes, how Selank feels, how quickly it acts, or possible side effects belong with a clinician. Johns Hopkins notes that many unapproved peptides have limited research on safety and effectiveness, unlike FDA-approved peptide medicines reviewed for specific uses. For a plain-language guide to interpreting limited peptide research, see peptides human studies (our research library).
Is Prism Labs Selank legit or a scam?
For a research buyer, Prism Labs provides several concrete checks: the item is identified as research use only, the product listing displays a lot number and COA access code, the site lists support contact details, and shipments include tracking.
The seller’s terms require purchasers to be at least 21 and to purchase only for lawful laboratory research. For a separate guide on verifying a regulated prescribing and dispensing route, see online ed care.
Why is Selank not FDA approved, and can research peptides be bought legally?
Selank is not an FDA-approved drug; independent sources describe it among non-approved peptides sold as research chemicals and not cleared for compounding.
Prism Labs sells this item as a research material, while its terms place responsibility on purchasers to determine what is lawful in their jurisdiction. Healthline’s peptide legal guide explains that only FDA-approved peptide medicines have undergone FDA review for safety and effectiveness, and that legal status depends on the specific peptide and context. Congress’s H.R. 6509 bill text is a federal legislative record relevant to the changing compounding framework, while HHS’s 2026 DEA telemedicine extension addresses a separate, temporary telemedicine prescribing framework.
What does the Selank research show?
The seller’s page points to neuropeptide gene-expression and chronic-stress model research.
A PubMed-indexed research record is a 2025 review discussing therapeutic peptides generally; it is not a Selank-specific human-outcomes study. A lot COA reports material characteristics such as purity, identity, and content. It does not report a human outcome. Research findings must stay tied to the population, formulation, comparison, and outcome actually studied.
How does it compare with other peptide listings?
| Option | Key difference |
|---|---|
| Prism Labs Selank | Research-use-only lyophilized vial in 5 mg or 10 mg sizes; a lot-specific COA result is displayed on the product page. |
| Prism Labs Semax | A separate research peptide product; it is not Selank. |
| FDA-approved peptide medicine | A medicine reviewed and approved for a specified use, accessed through the appropriate prescribing and dispensing route. |
| Doing nothing | No product cost or handling burden; memory, mood, stroke, or head-injury concerns can be assessed through clinical care. |
For another cognitive-product format covering ingredients, safety, price, and refunds, see cognizil reviews.
Who should speak with a clinician first?
Talk with a clinician about memory or mood changes, a stroke or head injury, medicines, pregnancy, or participation in a tested sport. Johns Hopkins advises people considering peptides to speak with a trusted clinician, particularly where an unapproved peptide has limited safety and effectiveness research. Athletes should check the rules of their own tested-sport organization before any peptide decision.
What should you check before ordering?
- Confirm that the intended laboratory work is lawful in your jurisdiction and fits the seller’s research-only terms.
- Choose the listed vial size and calculate the full order total, including shipping.
- Save the 48-hour damaged-or-incorrect-item contact window and seller support details.
- Use a clinician and an appropriate care route for health concerns rather than a research-use product.
When a research buyer is ready to compare the current vial listing, lot panel, and checkout total, the Product Page has the direct listing.
Quick answers
Does Prism Labs sell Selank as a nasal spray?
No. The listing identifies a lyophilized vial, and the label says it is not for human or veterinary use.
Are Prism Labs Selank reviews on Reddit or Amazon useful for a buying decision?
The product page displays customer reviews and a Trustpilot score. A lot-specific COA, the research-only label, shipping terms, and the limited return window are more directly useful buyer checks.
Can a COA tell you how Selank will feel or work in a person?
No. A COA reports lot characteristics such as purity, identity, and content; it does not report a human result.
By HealthDataConsortium.org Research Team
This article is for general information purposes only and does not constitute medical advice. Consult your doctor or qualified healthcare provider before making changes to your health routine.
