{"title":"Performance","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan style=\"font-family: 'Arial',sans-serif;\"\u003eThis collection brings together the best peptides for performance research available in our Canadian catalog — compounds with documented preclinical and clinical activity across the GH\/IGF-1 axis, melanocortin pathways, and sexual response circuitry.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"buy-tesamorelin-canada","title":"Tesamorelin","description":"\u003cp\u003eTesamorelin is a stabilised synthetic analogue of growth-hormone-releasing hormone (GHRH). Research groups who buy tesamorelin in Canada are generally studying GHRH-receptor signalling and its downstream metabolic and lipid effects.\u003c\/p\u003e\n\u003cp\u003eMechanistically, tesamorelin is investigated as a GHRH-receptor agonist that influences the pulsatile release of growth hormone, with associated research interest in lipid and visceral-tissue metabolism.\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 C₂₂₁H₃₆₆N₇₂O₆₇S \/ ~5135.9 Da\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCAS:\u003c\/b\u003e 218949-48-5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat Makes Tesamorelin a Unique Research Compound\u003c\/h2\u003e\n\u003cp\u003eTesamorelin is engineered from the GHRH sequence with stabilising modifications that extend its activity relative to the native hormone, making it a more practical tool for studying the GHRH–growth-hormone axis. Where native GHRH degrades quickly, tesamorelin's modified backbone gives researchers a longer, more reproducible window of receptor engagement.\u003c\/p\u003e\n\u003cp\u003eMuch of the research literature places tesamorelin within metabolic and lipid contexts, particularly the study of visceral adipose tissue, because of the growth-hormone axis's connection to lipid handling. That positions it close to the metabolic cluster alongside Reta Labs' flagship work.\u003c\/p\u003e\n\u003cp\u003eCompared with direct growth-hormone tools or fragments, tesamorelin's interest lies upstream — at the level of the releasing-hormone receptor — which is why investigators select it when the research question concerns the regulatory axis rather than the hormone's terminal effects.\u003c\/p\u003e\n\u003ch2\u003eResearch Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGHRH-Axis Signalling —\u003c\/strong\u003e Tesamorelin is studied for its agonism at the GHRH receptor and the resulting modulation of growth-hormone release in models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLipid Metabolism Research —\u003c\/strong\u003e The literature examines its association with visceral adipose-tissue metabolism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetabolic Research —\u003c\/strong\u003e It appears in study panels investigating growth-hormone-axis contributions to metabolism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparative Endocrine Studies —\u003c\/strong\u003e It serves as an upstream tool relative to direct growth-hormone compounds.\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-retatrutide-canada\" title=\"View Retatrutide Product Page\" rel=\"noopener\" target=\"_blank\"\u003eRetatrutide\u003c\/a\u003e\u003c\/strong\u003e — Reta Labs' flagship metabolic research peptide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/retalabs.ca\/products\/mots-c-research-peptide-canada\" title=\"View MOTS-c Product Page\" rel=\"noopener\" target=\"_blank\"\u003eMOTS-c\u003c\/a\u003e\u003c\/strong\u003e — A mitochondrial-derived peptide within the metabolic research domain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHGH Fragment 176-191\u003c\/strong\u003e — A growth-hormone fragment studied in lipid-metabolism research.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eWhere can I buy tesamorelin in Canada for research?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTesamorelin 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 tesamorelin different from HGH Fragment 176-191?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTesamorelin acts upstream as a GHRH-receptor agonist influencing growth-hormone release, while HGH Fragment 176-191 is a terminal fragment of growth hormone studied for lipid-metabolism activity directly.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs tesamorelin naturally occurring?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIt is a synthetic, stabilised analogue of the natural hormone GHRH, modified for improved research stability rather than isolated from a natural source.\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":55238611042596,"sku":null,"price":84.99,"currency_code":"CAD","in_stock":false},{"title":"6 x 10mg","offer_id":55238611075364,"sku":null,"price":489.99,"currency_code":"CAD","in_stock":false},{"title":"10 x 10mg (one box)","offer_id":55238611108132,"sku":null,"price":749.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/4424\/0164\/files\/tesamorelin_retalabs.png?v=1782259594"},{"product_id":"buy-melanotan-2-canada","title":"Melanotan II (MT-2)","description":"\u003cp\u003eMelanotan 2 (MT2) is a synthetic analogue of alpha-melanocyte-stimulating hormone, a melanocortin-receptor peptide. Research groups who buy Melanotan 2 Canada are typically studying melanocortin signalling and pigmentation in laboratory models.\u003c\/p\u003e\n\u003cp\u003eMechanistically, MT2 is investigated as a non-selective melanocortin-receptor agonist, with research interest centred on the melanogenesis pathway and related receptor biology.\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 C₅₀H₆₉N₁₅O₉ \/ 1024.18 Da\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCAS:\u003c\/b\u003e 121062-08-6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat Makes Melanotan 2 a Unique Research Compound\u003c\/h2\u003e\n\u003cp\u003eMelanotan 2 was developed from work on alpha-MSH at the University of Arizona, where researchers sought a more stable, longer-acting analogue of the native hormone for studying pigmentation biology. The result is a cyclic peptide that activates several melanocortin receptors rather than one.\u003c\/p\u003e\n\u003cp\u003eThat broad receptor activity is precisely what makes MT2 a useful research tool: it allows investigators to probe the melanocortin system, of which melanogenesis is one well-studied output. In the literature, the compound is examined for how melanocortin-receptor engagement relates to pigment production in cellular and animal models.\u003c\/p\u003e\n\u003cp\u003eCompared with more receptor-selective analogues, MT2's non-selectivity makes it a reference point for distinguishing which melanocortin pathways drive which observed effects — a recurring question in Canadian pigmentation-research groups.\u003c\/p\u003e\n\u003ch2\u003eResearch Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkin Pigmentation Research —\u003c\/strong\u003e MT2 is studied for its relationship to melanogenesis in pigment-cell models, attributed to melanocortin-receptor activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelanocortin Receptor Pharmacology —\u003c\/strong\u003e As a non-selective agonist, it serves as a tool for characterising receptor-subtype contributions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppetite \u0026amp; Energy Signalling Research —\u003c\/strong\u003e The melanocortin system's role in energy regulation is a study domain in which MT2 appears.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparative Analogue Studies —\u003c\/strong\u003e It is used as a reference against more selective melanocortin compounds.\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-ghk-cu-canada\" title=\"View GHK-Cu Product Page\" rel=\"noopener\" target=\"_blank\"\u003eGHK-Cu\u003c\/a\u003e\u003c\/strong\u003e — A copper tripeptide studied within adjacent skin-research contexts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePT-141\u003c\/strong\u003e — A melanocortin-receptor peptide derived from the same research lineage.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/retalabs.ca\/products\/tissue-repair-peptide-stack-canada\" title=\"View Wolverine Stack Product Page\" rel=\"noopener\" target=\"_blank\"\u003e\u003cb\u003eWolverine Stack\u003c\/b\u003e\u003c\/a\u003e— A proprietary blend within the healing\/recovery research domain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eWhere can I buy melanotan 2 in Canada for research?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eMelanotan 2 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 melanotan 2 different from PT-141?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBoth act on melanocortin receptors, but PT-141 is a related downstream compound studied more for melanocortin signalling in behavioural models, while MT2 is studied more in the context of pigmentation and broad receptor activity.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs melanotan 2 naturally occurring?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. It is a synthetic, cyclic analogue engineered from the natural hormone alpha-MSH for improved stability in research settings.\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, and Canadian researchers receive lot-matched documentation.\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":55369412509988,"sku":null,"price":44.99,"currency_code":"CAD","in_stock":false},{"title":"6 x 10mg","offer_id":55369412542756,"sku":null,"price":259.99,"currency_code":"CAD","in_stock":false},{"title":"10 x 10mg","offer_id":55369412575524,"sku":null,"price":399.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/4424\/0164\/files\/melanotan2_retalabs.png?v=1782615634"},{"product_id":"buy-pt-141-canada","title":"PT-141","description":"\u003cp\u003ePT-141 (bremelanotide) is a synthetic melanocortin-receptor peptide and a research relative of melanotan 2. Groups who buy PT-141 in Canada are typically studying melanocortin signalling within behavioural and central-nervous-system models.\u003c\/p\u003e\n\u003cp\u003eMechanistically, PT-141 is investigated as a melanocortin-receptor agonist with research interest focused on central signalling pathways rather than peripheral pigmentation.\u003c\/p\u003e\n\u003ch2\u003eProduct Details\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 C₅₀H₆₈N₁₄O₁₀ \/ 1025.2 Da\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCAS:\u003c\/b\u003e 189691-06-3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat Makes PT-141 a Unique Research Compound\u003c\/h2\u003e\n\u003cp\u003ePT-141 emerged from melanocortin research as a metabolite-derived relative of melanotan 2, but its study focus diverged toward central rather than pigmentary signalling. That makes it a useful tool for isolating which melanocortin-receptor effects arise centrally.\u003c\/p\u003e\n\u003cp\u003eIn the literature, PT-141 is examined for its activity at melanocortin receptors and the associated central-signalling pathways studied in behavioural animal models. Researchers select it when the question concerns melanocortin engagement in the nervous system specifically.\u003c\/p\u003e\n\u003cp\u003eAgainst melanotan 2, PT-141 offers a contrasting research angle within the same receptor family — central-signalling emphasis versus pigmentation emphasis — which is why the two are frequently studied comparatively in Canadian melanocortin research.\u003c\/p\u003e\n\u003ch2\u003eResearch Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelanocortin Signalling —\u003c\/strong\u003e PT-141 is studied as a receptor agonist within central melanocortin pathways in laboratory models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBehavioural Research —\u003c\/strong\u003e The literature examines its activity in behavioural animal-model designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceptor Pharmacology —\u003c\/strong\u003e It serves as a tool for characterising melanocortin-receptor subtype activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparative Analogue Studies —\u003c\/strong\u003e It is used as a contrast to pigmentation-focused melanocortin compounds.\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-ghk-cu-canada\" target=\"_blank\" title=\"View GHK-Cu Product Page\" rel=\"noopener\"\u003eGHK-Cu\u003c\/a\u003e\u003c\/strong\u003e — A copper tripeptide studied in adjacent skin and signalling contexts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/retalabs.ca\/products\/buy-melanotan-2-canada\" target=\"_blank\" title=\"View Melanotan 2 Product Page\" rel=\"noopener\"\u003eMT2 (Melanotan 2)\u003c\/a\u003e\u003c\/strong\u003e — A melanocortin peptide from the same research family.\u003c\/li\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 neuropeptide 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 PT-141 in Canada for research?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePT-141 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 PT-141 different from melanotan 2?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBoth are melanocortin-receptor peptides, but PT-141 is studied primarily for central signalling in behavioural models, whereas melanotan 2 is studied more in the context of pigmentation and broad receptor activity.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs PT-141 naturally occurring?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. It is a synthetic melanocortin peptide developed within the same research lineage as melanotan 2.\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":"10","offer_id":55370489069860,"sku":null,"price":44.99,"currency_code":"CAD","in_stock":false},{"title":"6 x 10mg","offer_id":55370489102628,"sku":null,"price":259.99,"currency_code":"CAD","in_stock":false},{"title":"10 x 10mg (one box)","offer_id":55370489135396,"sku":null,"price":399.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/4424\/0164\/files\/pt141_retalabs.png?v=1782693967"}],"url":"https:\/\/retalabs.ca\/collections\/best-peptides-for-performance.oembed","provider":"Reta Labs","version":"1.0","type":"link"}