Blend
Selank + Semax
5mg + 5mg / vial
A 20mg research blend combining Selank (10mg) and Semax (10mg) to explore complementary neuroactive pathways. Investigates GABAergic and monoaminergic signaling, synaptic plasticity markers, neurotrophic factors, anxiety-like responses, learning and memory tasks, stress adaptation, and neuroprotection mechanisms in preclinical models.
$149.99
Size
≥98% Purity
Third-party verified
Cold-Chain Shipping
Free on every order
COA Included
HPLC · LC-MS · NMR
Same-Day Shipping
Orders before 1PM EST
For Research Use Only. Not for human or animal consumption. Not a drug, food, or cosmetic. For in vitro laboratory research by qualified researchers only.
Areas of Investigation
Research Applications
Dual Pathways
Complementary Neuroactive Pathways
Selank acts through GABAergic and immunopeptide mechanisms for anxiolytic effects, while semax targets ACTH-related CNS pathways for neuroprotection and BDNF upregulation.
Anxiety
Stress Adaptation & Anxiety Research
Researched for additive effects on stress adaptation and anxiety-like behavior reduction through HPA axis attenuation and GABA-A receptor modulation.
BDNF
BDNF & Neurotrophic Factor Modulation
Semax's BDNF upregulation combined with selank's neuroprotective signaling provides a model for examining combined neurotrophic effects on synaptic plasticity and neuronal survival.
Cognition
Cognitive & Learning Research
Studied for combined effects on learning, memory consolidation, and attention through dual neuroactive pathway modulation.
Technical Data
Compound Profile
Full compound characterization including molecular structure, physical properties, storage requirements, and stability data for research use.
≥98% Purity Guaranteed
HPLC · LC-MS · Third-Party Verified
Molecular Formula
Selank: C₃₃H₅₇N₁₁O₉ · Semax: C₃₇H₅₁N₉O₁₀S
Molecular Weight
Selank: 751.87 g/mol · Semax: 813.93 g/mol
Appearance
White lyophilized powder blend
Storage (Lyophilized)
Below −20°C, desiccated, away from light and moisture
Storage (Reconstituted)
Refrigerate at 2–8°C; use within 28 days. Aliquot for extended storage below −20°C.
Shelf Life
24 months from manufacture date
Third-Party Verified
Certificate of Analysis
≥99.0% (both components independently verified)
PURITY
Selank + Semax · Batch A
TAP TO VIEW FULL COA
Batch Analysis Report
Lot Number
PLQ-SELMAX-2601-A
Labeled Amount
5mg Selank / 5mg Semax
Actual Amount
5.19mg / 5.31mg
Testing Date
01/28/2026
Tested By
Apex Analytics Lab (Third-Party)
Methods
HPLC · LC-MS · NMR · FTIR
Full COA documentation is included with every order. COAs are batch-specific and reflect the exact lot shipped. Independent third-party verification ensures unbiased purity and identity confirmation.
Protocol
Storage & Handling
Long-Term Storage
Store lyophilized peptide at −20°C. Under these conditions the product remains stable for up to 24 months from the date of manufacture.
After Reconstitution
Once reconstituted, store at 4°C and use within 30 days. Avoid repeated freeze-thaw cycles as this may degrade compound integrity.
Shipping Conditions
All orders ship in insulated packaging with cooling packs to maintain the cold chain during transit. Free on every order, no minimum required.
Support
Frequently Asked Questions
Selank and semax operate through distinct but complementary neuroactive mechanisms. Selank modulates GABAergic, serotonergic, and immune pathways relevant to stress and anxiety research. Semax activates ACTH-related CNS pathways for neuroprotection and BDNF upregulation. The combination allows researchers to study both pathways simultaneously in cognitive and neuroimmune models.
Yes — both heptapeptides are chemically compatible in bacteriostatic water and stable when co-reconstituted. Store at 2–8°C and use within 28 days.
Preclinical research has examined the combination in cognitive and stress models with data suggesting additive effects on BDNF levels, learning performance, and anxiety markers. The mechanistic complementarity — GABAergic/immunopeptide vs. ACTH/BDNF pathways — provides a rationale for synergistic interaction being investigated in ongoing research.
Add bacteriostatic water slowly along the vial wall, gently swirl until fully dissolved. Both peptides dissolve readily. Use our Reconstitution Calculator for volume guidance.
Both selank and semax are independently verified at ≥98% purity before blending. Current batch confirmed ≥99.0% for both components by Apex Analytics Lab. A full COA ships with every order.
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