Selank Semax Nasal Stack

Selank Semax Nasal Stack is a precision-formulated dual-peptide research solution combining Selank and Semax at ≥98% purity, supplied as a ready-to-use nasal spray format for advanced preclinical research. Available in 15ml and 30ml configurations, this stack is designed to support laboratory investigations into cognitive function, neuroprotection, and neurological signalling pathways. For research use only. Not for human or veterinary use. Not for clinical, diagnostic, or consumptive applications.

Product Overview

The Selank Semax Nasal Stack, available exclusively through Direct Anti Peptide, represents a sophisticated dual-compound peptide formulation engineered for researchers working within the fields of cognitive neuroscience, neuropsychopharmacology, and neuroprotection. By combining two well-characterised synthetic peptides — Selank and Semax — into a single, convenient nasal spray delivery system, this stack provides laboratories with an efficient, reproducible, and non-invasive tool for preclinical study design. Researchers looking to buy a high-purity cognitive peptide stack online will find this product to be one of the most competitively positioned offerings currently available for sale.

Peptide Structure & Amino Acid Sequence

Selank is a heptapeptide analogue of the endogenous immunomodulatory tetrapeptide tuftsin, with the sequence Thr-Lys-Pro-Arg-Pro-Gly-Pro. It was developed to extend the biological stability of tuftsin while retaining and expanding its neuroactive profile. Semax is a synthetic heptapeptide derived from the N-terminal fragment of adrenocorticotropic hormone (ACTH 4–7), with the sequence Met-Glu-His-Phe-Pro-Gly-Pro. Both peptides have been extensively studied in preclinical models for their distinct yet complementary mechanisms of action within the central nervous system. Together, they form a research stack with a broad neurological scope.

Chemical & Physical Characteristics

• Selank: Molecular Formula C₃₃H₅₇N₁₁O₉ | Molecular Weight: 751.88 g/mol
• Semax: Molecular Formula C₃₇H₅₁N₉O₁₀S | Molecular Weight: 813.92 g/mol
• 15ml Format: Selank 10mg | Semax 15mg
• 30ml Format: Selank 20mg | Semax 30mg
• Appearance: Clear to slightly opalescent aqueous solution
• Delivery Format: Nasal spray with metered-dose applicator
• Solubility: Water-soluble; formulated in sterile aqueous solution

Purity & Analytical Verification (HPLC & MS)

Every batch of the Selank Semax Nasal Stack supplied by Direct Anti Peptide is manufactured to a minimum purity specification of ≥98%, verified through high-performance liquid chromatography (HPLC) and confirmed by mass spectrometry (MS). These dual analytical methods ensure that each peptide component meets the rigorous identity and purity standards demanded by professional research environments. Certificates of Analysis (CoA) are available upon request, providing full traceability for both active peptide constituents.

Quality Control & Lyophilization Integrity

While the nasal spray format is supplied as a pre-dissolved aqueous formulation rather than a lyophilised powder, the manufacturing process adheres to strict quality control protocols at every stage — from raw peptide synthesis through to final filling and sealing. Each unit undergoes batch-level testing to confirm peptide concentration accuracy, pH stability, and microbiological compliance. The metered-dose nasal applicator is validated to deliver consistent volumetric output per actuation, ensuring reproducibility across experimental applications.

Safety, Handling & Laboratory Precautions

This product is intended exclusively for qualified researchers and licensed laboratory professionals. Standard laboratory personal protective equipment (PPE) — including nitrile gloves, safety eyewear, and appropriate lab coats — should be worn at all times when handling this formulation. Avoid direct contact with skin, mucous membranes, or eyes. In the event of accidental exposure, rinse affected areas thoroughly with water and consult relevant safety data documentation. This product must not be used outside of a controlled research setting.

Reconstitution, Packaging & Storage

The Selank Semax Nasal Stack is supplied pre-formulated and ready for use in its nasal spray delivery format — no reconstitution is required. Upon receipt, the product should be stored at 2°C to 8°C (refrigerated) and protected from direct light and heat. Do not freeze. Once opened, use within the timeframe specified on the batch documentation. Packaging is designed to maintain formulation integrity during transit and storage, with tamper-evident sealing on all units.

Intended Research Use & Market Positioning

The Selank Semax Nasal Stack is positioned as a premium dual-peptide research tool for investigators studying cognitive enhancement mechanisms, anxiolytic peptide activity, BDNF modulation, and neuroprotective pathways in preclinical models. It is particularly well-suited for research programmes examining neurological resilience, stress-response signalling, and the comparative efficacy of combined versus single-agent peptide interventions. Researchers seeking to buy a best-price cognitive peptide stack for sale with verified purity will find this formulation an outstanding addition to their research inventory.

Ordering, Availability & Fulfillment

Direct Anti Peptide offers the Selank Semax Nasal Stack for sale in both 15ml and 30ml formats, with secure online ordering, competitive pricing, and prompt dispatch. Orders are processed efficiently and shipped with appropriate cold-chain packaging to preserve product integrity during transit. Our team is committed to providing researchers with reliable access to high-quality peptide stacks — order now to take advantage of current availability and best-price guarantees on stacks.

Legal & Regulatory Disclaimer

For research use only. Not for human or veterinary use. Not for clinical, diagnostic, or consumptive applications. The Selank Semax Nasal Stack is sold exclusively as a laboratory research reagent. Direct Anti Peptide makes no claims regarding therapeutic efficacy, safety for human administration, or suitability for any application outside of controlled preclinical research. Purchasers are solely responsible for ensuring compliance with all applicable local, national, and international regulations governing the procurement and use of research peptides. This product must not be used in any manner inconsistent with its research-only designation.