Tesamorelin & Ipamorelin Peptide Stack

The Tesamorelin & Ipamorelin Peptide Stack available at Direct Anti Peptide represents a precision-formulated dual-peptide research reagent, combining two well-characterised growth hormone secretagogues in a single lyophilised preparation. Each component is supplied at ≥98% purity, confirmed through rigorous analytical testing, making this stack a reliable choice for qualified researchers investigating hypothalamic-pituitary axis modulation and related endocrine signalling pathways.

For research use only. Not for human or veterinary use. Not for clinical, diagnostic, or consumptive applications.

Product Overview

The Tesamorelin & Ipamorelin Peptide Stack is engineered to provide researchers with a synergistic dual-secretagogue system in one convenient preparation. Tesamorelin functions as a synthetic analogue of growth hormone-releasing factor (GHRF), while Ipamorelin acts as a selective growth hormone secretagogue receptor (GHSR) agonist. Together, these two peptides engage complementary receptor pathways to stimulate endogenous growth hormone synthesis and pulsatile secretion from the anterior pituitary gland. Research literature suggests this dual-pathway approach may produce a more robust and physiologically relevant GH response than either peptide alone, making this stack a compelling subject for in vitro and preclinical investigative models focused on metabolic function, sleep architecture, cognitive parameters, and lipid metabolism — particularly triglyceride dynamics.

Peptide Structure & Amino Acid Sequence

Tesamorelin is a 44-amino acid synthetic peptide analogue of endogenous human growth hormone-releasing hormone (GHRH), with a trans-3-hexenoic acid modification at the N-terminus that confers enhanced plasma stability compared to the native GHRH molecule. Its sequence closely mirrors the full-length GHRH(1–44) structure responsible for pituitary GH release.

Ipamorelin is a pentapeptide (Aib-His-D-2-Nal-D-Phe-Lys-NH₂) and selective GHSR-1a agonist. Its compact five-residue structure provides high receptor selectivity with minimal off-target activity at cortisol or prolactin pathways — a characteristic that makes it particularly valuable in controlled research environments where isolating GH secretagogue effects is paramount.

Chemical & Physical Characteristics

• Tesamorelin Molecular Formula: C₂₂₁H₃₆₆N₇₂O₆₇S (approximate, based on GHRH analogue backbone)
• Ipamorelin Molecular Formula: C₃₈H₄₉N₉O₅
• Ipamorelin Molecular Weight: Approximately 711.87 g/mol
• Appearance: White to off-white lyophilised powder
• Solubility: Soluble in aqueous buffer systems under standard laboratory conditions
• CAS — Tesamorelin: 218949-48-5
• CAS — Ipamorelin: 170851-70-4

Purity & Analytical Verification (HPLC & MS)

Every batch of the Tesamorelin & Ipamorelin Peptide Stack sold through Direct Anti Peptide is independently verified to a minimum purity threshold of ≥98%. High-performance liquid chromatography (HPLC) is employed to confirm compound identity and chromatographic purity, while mass spectrometry (MS) validates the precise molecular weight and structural integrity of each peptide component. Certificates of Analysis (CoA) reflecting these results are available upon request, supporting full traceability for laboratory documentation and institutional compliance requirements.

Quality Control & Lyophilisation Integrity

Both Tesamorelin and Ipamorelin within this stack are produced under controlled synthesis conditions and subjected to multi-stage quality control protocols before lyophilisation. The freeze-drying process removes residual moisture to extend shelf stability while preserving peptide conformation and bioactivity for research purposes. Each vial is visually inspected for cake integrity, and batch records are maintained to ensure lot-to-lot consistency across all Direct Anti Peptide research reagent orders.

Safety, Handling & Laboratory Precautions

This product is strictly a laboratory research reagent. Researchers should handle all peptide materials in accordance with institutional biosafety guidelines and applicable local regulations. Standard personal protective equipment — including gloves, lab coat, and eye protection — should be worn during handling. Avoid inhalation of lyophilised powder. This compound is not approved for administration to humans or animals under any circumstances.

Reconstitution, Packaging & Storage

Upon receipt, store lyophilised vials at −20°C in a dry, dark environment away from repeated freeze-thaw cycles. Reconstitution should be performed using appropriate sterile aqueous solvents suitable for the intended in vitro or analytical application, strictly within a certified laboratory setting. Once reconstituted, solutions should be aliquoted and stored at −80°C where prolonged stability is required. Refer to institutional protocols for specific handling and storage procedures relevant to your research application.

Intended Research Use & Market Positioning

The Tesamorelin & Ipamorelin Peptide Stack is positioned as a premium dual-secretagogue research tool for academic institutions, pharmaceutical R&D laboratories, and preclinical research organisations investigating GH-axis biology, metabolic regulation, abdominal adiposity models, sleep-wake cycle research, and cognitive function studies. Research evidence indicates Tesamorelin may demonstrate superior potential in modulating abdominal adipose tissue compared to exogenous HGH models, while Ipamorelin’s selectivity profile makes it a preferred GHSR agonist for clean mechanistic studies.

Ordering, Availability & Fulfillment

Buy the Tesamorelin & Ipamorelin Peptide Stack online today through Direct Anti Peptide’s secure eCommerce platform. We offer competitive best-price guarantees, fast order processing, and discreet laboratory-grade packaging for all research peptide orders. Our fulfilment team ensures rapid dispatch with full tracking on every shipment. Order now and benefit from our dedicated research peptide customer support team available to assist with CoA requests and product enquiries.

Legal & Regulatory Disclaimer

For research use only. Not for human or veterinary use. Not for clinical, diagnostic, or consumptive applications. The Tesamorelin & Ipamorelin Peptide Stack is sold exclusively as a laboratory research reagent. Direct Anti Peptide makes no therapeutic, medical, or health-related claims regarding this or any other product in our catalogue. Purchasers are solely responsible for ensuring compliance with all applicable local, national, and international laws governing the procurement and use of research peptides. This product must only be handled by trained research professionals in appropriately equipped laboratory environments.