{"title":"Cognitive \u0026 Nootropic","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan style=\"font-family: 'Arial',sans-serif;\"\u003eThis collection brings together the best peptides for cognitive function research in our Canadian catalog — synthetic regulatory peptides with documented activity across BDNF\/NGF signaling, neuroprotection, GABAergic transmission, and immunomodulatory pathways.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"buy-semax-canada","title":"Semax","description":"\u003cp\u003eSemax is a synthetic heptapeptide derived from a fragment of the ACTH hormone. Research groups who buy Semax in Canada are typically studying neuroprotection, cognition, and neurotrophic signalling in laboratory models.\u003c\/p\u003e\n\u003cp\u003eMechanistically, Semax is investigated for its association with brain-derived neurotrophic factor (BDNF) and related neurotrophic pathways, making it a recurring tool in cognitive and neuroscience research.\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eProduct Details\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eForm:\u003c\/b\u003e Lyophilized peptide\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNet per vial:\u003c\/b\u003e 10 mg (filled to approximately 104% of label)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePurity:\u003c\/b\u003e ≥99% (HPLC-verified)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIdentity:\u003c\/b\u003e MS-verified (per COA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStorage:\u003c\/b\u003e 2–8 °C, protect from light\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFormula \/ M.W.:\u003c\/b\u003e C₃₇H₅₁N₉O₁₀S \/ 813.92 Da\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCAS:\u003c\/b\u003e 80714-61-0\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat Makes Semax a Unique Research Compound\u003c\/h2\u003e\n\u003cp\u003eSemax originated in Russian neuropeptide research, engineered from a short fragment of adrenocorticotropic hormone (ACTH 4–10) with added residues that stabilise it and remove the parent hormone's hormonal activity. The result is a tool compound studied for neurological rather than endocrine effects.\u003c\/p\u003e\n\u003cp\u003eIn the literature, Semax is examined for its relationship to neurotrophic factors such as BDNF and for neuroprotective signalling in models of neural stress. Researchers are drawn to it because it offers a stable, well-defined peptide for probing cognition-related pathways.\u003c\/p\u003e\n\u003cp\u003eAgainst adjacent nootropic peptides, Semax is frequently paired with Selank in study designs — the two emerged from the same research programme but are examined for different aspects of neural signalling, which is why Canadian cognitive-research groups often source them together.\u003c\/p\u003e\n\u003ch2\u003eResearch Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCognitive Function Research —\u003c\/strong\u003e Semax is studied for its association with learning- and memory-related pathways in laboratory models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeurotrophic Signalling —\u003c\/strong\u003e Research examines its relationship to BDNF and related neurotrophic factors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeuroprotection —\u003c\/strong\u003e The literature investigates its role in models of neural stress and protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparative Neuropeptide Studies —\u003c\/strong\u003e It is used alongside Selank as a contrasting nootropic tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRelated Peptides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelank\u003c\/strong\u003e — A companion nootropic peptide from the same research lineage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAD+\u003c\/strong\u003e — A coenzyme studied in cellular-metabolism and neural-energy contexts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/retalabs.ca\/products\/buy-retatrutide-canada\" target=\"_blank\" title=\"View Retatrutide Product Page\" rel=\"noopener\"\u003eRetatrutide\u003c\/a\u003e\u003c\/strong\u003e — Reta Labs' flagship metabolic research peptide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eWhere can I buy semax in Canada for research?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSemax is supplied to Canadian research buyers as a lyophilized, research-grade peptide, HPLC-verified to ≥99% with MS-confirmed identity and a batch-specific COA.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow is Semax different from Selank?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBoth are synthetic nootropic peptides from the same research lineage, but Semax is studied more for neurotrophic and cognitive pathways (e.g., BDNF), whereas Selank is studied more for anxiolytic and immunomodulatory signalling.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs Semax naturally occurring?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. It is a synthetic peptide engineered from an ACTH fragment, modified so that it lacks the parent hormone's activity and is suited to neurological research.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow are purity and identity verified?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEach batch is HPLC-verified (≥99%) and MS-confirmed, with a batch-specific COA. Material is lyophilized and stored at 2–8 °C, protected from light.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ \u003c\/strong\u003e\u003cem\u003eFor research use only. Not intended for human or veterinary use. Not a drug, food, or supplement.\u003c\/em\u003e\u003c\/p\u003e","brand":"Reta Labs","offers":[{"title":"10mg","offer_id":55370477863204,"sku":null,"price":64.99,"currency_code":"CAD","in_stock":false},{"title":"6 x 10mg","offer_id":55370477895972,"sku":null,"price":329.99,"currency_code":"CAD","in_stock":false},{"title":"10 x 10mg (one box)","offer_id":55370477928740,"sku":null,"price":429.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/4424\/0164\/files\/semax_retalabs.png?v=1782693499"},{"product_id":"buy-selank-canada","title":"Selank","description":"\u003cp\u003eSelank is a synthetic heptapeptide derived from the immunopeptide tuftsin. Research groups who buy selank in Canada are typically studying anxiolytic signalling, neuromodulation, and immune-related neuropeptide pathways.\u003c\/p\u003e\n\u003cp\u003eMechanistically, Selank is investigated for its association with GABAergic and immunomodulatory signalling, positioning it as a tool in behavioural and neuroimmune research.\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eProduct Details\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eForm:\u003c\/b\u003e Lyophilized peptide\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNet per vial:\u003c\/b\u003e 10 mg (filled to approximately 104% of label)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePurity:\u003c\/b\u003e ≥99% (HPLC-verified)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIdentity:\u003c\/b\u003e MS-verified (per COA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStorage:\u003c\/b\u003e 2–8 °C, protect from light\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFormula \/ M.W.:\u003c\/b\u003e C₃₃H₅₇N₁₁O₉ \/ 751.88 Da\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCAS:\u003c\/b\u003e 129954-34-3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat Makes Selank a Unique Research Compound\u003c\/h2\u003e\n\u003cp\u003eSelank was developed in the same Russian neuropeptide research programme as Semax, engineered from tuftsin — a naturally occurring immunopeptide — with modifications that stabilise it for study. That dual heritage, bridging immune and neural signalling, gives it an unusual research profile.\u003c\/p\u003e\n\u003cp\u003eIn the literature, Selank is examined for anxiolytic-like effects in behavioural models and for its relationship to neurotransmitter and immune pathways, with GABAergic signalling frequently cited. Researchers value it as a stable tool for probing the intersection of mood-related and immune signalling.\u003c\/p\u003e\n\u003cp\u003eCompared with Semax, Selank's research emphasis sits more on anxiolytic and immunomodulatory questions than on cognition, which is why the two so often appear as a contrasting pair in Canadian neuropeptide studies.\u003c\/p\u003e\n\u003ch2\u003eResearch Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnxiolytic Research —\u003c\/strong\u003e Selank is studied for anxiolytic-like signalling in behavioural laboratory models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeuromodulation —\u003c\/strong\u003e Research examines its relationship to GABAergic and neurotransmitter pathways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeuroimmune Signalling —\u003c\/strong\u003e Derived from tuftsin, it is a tool for studying immune-related neuropeptide activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparative Neuropeptide Studies —\u003c\/strong\u003e It is used alongside Semax as a contrasting research tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRelated Peptides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/retalabs.ca\/products\/buy-semax-canada\" target=\"_blank\" title=\"View Semax Product Page\" rel=\"noopener\"\u003eSemax\u003c\/a\u003e\u003c\/strong\u003e — A companion nootropic peptide from the same research lineage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAD+\u003c\/strong\u003e — A coenzyme studied in neural-energy and cellular contexts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/retalabs.ca\/products\/buy-pt-141-canada\" target=\"_blank\" title=\"View PT-141 Product Page\" rel=\"noopener\"\u003ePT-141\u003c\/a\u003e\u003c\/strong\u003e — A melanocortin peptide studied in central-signalling models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eWhere can I buy selank in Canada for research?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSelank is supplied to Canadian research buyers as a lyophilized, research-grade peptide, HPLC-verified to ≥99% with MS-confirmed identity and a batch-specific COA.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow is Selank different from Semax?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBoth come from the same research lineage, but Selank is studied more for anxiolytic and immunomodulatory signalling, while Semax is studied more for neurotrophic and cognitive pathways.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs Selank naturally occurring?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIt is a synthetic peptide engineered from tuftsin, a natural immunopeptide, with modifications for research stability; the supplied material is synthesised.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow are purity and identity verified?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEach batch is HPLC-verified (≥99%) and MS-confirmed, with a batch-specific COA. Material is lyophilized and stored at 2–8 °C, protected from light.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️\u003c\/strong\u003e\u003cem\u003e For research use only. Not intended for human or veterinary use. Not a drug, food, or supplement.\u003c\/em\u003e\u003c\/p\u003e","brand":"Reta Labs","offers":[{"title":"10mg","offer_id":55370504241444,"sku":null,"price":39.99,"currency_code":"CAD","in_stock":false},{"title":"6 x 10mg","offer_id":55370504274212,"sku":null,"price":229.99,"currency_code":"CAD","in_stock":false},{"title":"10 x 10mg (one box)","offer_id":55370504306980,"sku":null,"price":349.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/4424\/0164\/files\/selank_retalabs.png?v=1782694245"}],"url":"https:\/\/retalabs.ca\/collections\/best-peptides-for-cognitive-function.oembed","provider":"Reta Labs","version":"1.0","type":"link"}