
Semax vs Selank: Comparing Two Powerful Neuropeptides
Semax and Selank are often discussed together but studied for very different reasons. A research-focused guide to their pathways, differences, and why purity matters.
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10ML NASAL SPRAY · LYOPHILIZED
Semax 10ml nasal spray is a synthetic ACTH(4-10) analog research solution studied in neurotrophic-factor (BDNF) and neuroprotection models.
This page lists SEMAX 10ML NASAL SPRAY at C$120.00. Other catalogue sizes: 5MG, 10MG. No size-matched sample report is published yet.
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RESEARCH USE ONLY
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RESEARCH FOCUS
Semax 10ml research nasal spray — a synthetic ACTH(4-10) heptapeptide studied in cognitive, neuroprotective and BDNF/NGF expression research. Research interest includes BDNF/NGF expression and learning-model studies; findings are largely preclinical. For laboratory research use only.
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COMPOUND
SEMAX
VIAL SIZE
10ML NASAL SPRAY
SIZES & DOCUMENTATION
| Size | Catalogue price | Price per mg | Published sample report |
|---|---|---|---|
| SEMAX 5MG | C$30.00 | C$6.00 | Not published for this size |
| SEMAX 10MG | C$47.95 | C$4.79 | Yes · 99.286% |
| 10ML NASAL SPRAY · this page | C$120.00 | — | Not published for this size |
Prices are catalogue prices before discounts, tax and shipping. Price per mg uses the labelled amount, not a measured quantity. A report for one size does not verify another size.
LAB EVIDENCE
Each report describes the sample it identifies, not every vial or shipment. Analysis dates are not manufacture or expiry dates. Use the COA verification checklist to read one.
No size-matched certificate is published for SEMAX 10ML NASAL SPRAY. Request documentation before ordering; a different vial size is not a substitute.
RESEARCH LIBRARY

Semax and Selank are often discussed together but studied for very different reasons. A research-focused guide to their pathways, differences, and why purity matters.
Read guide
A researcher's introduction to popular peptide combinations — five beginner stacks for body composition, recovery, growth hormone, wellness, and cognitive research.
Read guideDocumentation guides: How to Read a Peptide Lab Report · Research Peptide Purity: Why ≥99% HPLC Matters
STORAGE & HANDLING
Follow the vial label, applicable batch documentation and your laboratory’s validated procedures. FirstLabs does not supply personal dosing or treatment instructions.
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