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| CAS Number | 1026993-38-3 |
|---|---|
| Molecular Formula | C17H29N5O9 |
| Molecular Weight | 447.2 g/mol |
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Testagen 20mg is an organ-specific peptide bioregulator developed by Professor Vladimir Khavinson at the Saint Petersburg Institute of Bioregulation and Gerontology, targeting testicular tissue and the male hypothalamic-pituitary-gonadal (HPG) axis. As a member of the Khavinson bioregulator peptide class, it is studied for its ability to penetrate cellular and nuclear membranes and modulate gene expression in tissue-specific cell populations without substituting endogenous hormonal output.
Research interest in Testagen centers on its proposed regulatory activity in two key testicular cell types: Leydig cells, which are responsible for testosterone biosynthesis in response to LH signaling, and Sertoli cells, which provide structural and nutritional support for spermatogenic development. Preclinical studies have examined whether Testagen can influence steroidogenic protein expression — including StAR and CYP11A1 — and LH receptor sensitivity, potentially modulating the efficiency of gonadotropin-driven steroidogenesis without suppressing endogenous HPG axis activity.
Unlike exogenous hormonal compounds that trigger negative feedback, Testagen’s proposed action is modulatory rather than substitutive — making it a valuable tool for studies on testicular aging, age-related androgen decline, and male reproductive endocrinology.
Beyond Health Lab supplies Testagen 20mg as a research-grade lyophilized compound, HPLC-verified for 99% purity, shipped within 24 hours from our Mexico facility.
For research use only. Not intended for human or animal consumption.
FAQ:
What is Testagen and what tissue does it target?
Testagen is a Khavinson bioregulator peptide developed for research into testicular tissue and the male HPG axis. It is studied for its tissue-specific regulatory activity on Leydig cells — responsible for testosterone biosynthesis — and Sertoli cells, which support spermatogenic function. Its mechanism involves direct DNA interaction to modulate gene expression rather than binding to hormone receptors.
How does Testagen differ from exogenous testosterone or HCG in research?
Unlike exogenous testosterone, which suppresses the HPG axis through negative feedback, or HCG, which mimics LH to directly stimulate Leydig cells, Testagen is investigated as a modulatory bioregulator. Its proposed action targets the gene expression programs that govern Leydig cell steroidogenic capacity — potentially supporting endogenous testosterone production without overriding the body’s own regulatory mechanisms.
What steroidogenic markers is Testagen associated with in preclinical research?
Studies have examined Testagen’s potential influence on StAR (steroidogenic acute regulatory protein), CYP11A1 (cholesterol side-chain cleavage enzyme), and 17β-hydroxysteroid dehydrogenase — key proteins in the testosterone synthesis pathway — as well as LH receptor expression and downstream cAMP signaling in Leydig cells.
How should Testagen 20mg be stored?
Store lyophilized Testagen at 2–8°C away from light and moisture. Once reconstituted with bacteriostatic water, keep refrigerated and use within 28 days for optimal stability and research-grade performance.
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Peptides are short amino acid chains that function as vital signaling molecules throughout the body. They play a primary role in a vast array of biological functions, including tissue regeneration, immune modulation, and intercellular communication.
In clinical research, peptides are utilized to investigate interactions with specific receptors and metabolic pathways, serving as essential tools for advanced scientific and laboratory analysis.
All products provided by Beyond Health Lab are intended strictly for research and laboratory purposes. These compounds are not approved for human consumption.
To ensure long-term stability during shipping and storage, all peptides from Beyond Health Lab are supplied in a lyophilized (freeze-dried) state.
Unreconstituted Vials: Store in a cool, dry environment away from direct light. For extended shelf life, refrigeration is highly recommended.
Reconstituted Peptides: Once prepared for research, solutions must be kept refrigerated and handled using sterile laboratory practices to maintain molecular integrity.
Stability & Purity: Proper storage and handling are critical to preserving peptide purity, stability, and experimental accuracy.
All orders are processed and shipped directly from our fulfillment center within 24 hours (Monday–Friday) to ensure fast and reliable delivery.
Transit Time: Delivery typically occurs within 2–5 business days, depending on your location and the selected shipping method.
Carrier Partners: We collaborate with trusted carriers to ensure secure and, where necessary, temperature-stable transit.
Tracking: Upon shipment, a confirmation email with a real-time tracking number is provided to monitor the package at every stage.
To ensure accuracy and consistency for research applications, each vial contains approximately 105% of the labeled peptide amount.
Formulation: All products are supplied as a lyophilized (freeze-dried) powder.
Reconstitution: Vials require reconstitution with bacteriostatic water prior to use. We do not ship peptides in a liquid state to ensure maximum stability.
Standardized Dimensions: Vials are standardized at 16mm in diameter and 38mm in height, with a maximum fill capacity of 3ml. This ensures compatibility with common laboratory storage and reconstitution tools.
Transparency and accuracy are central to our operations. All peptides offered by Beyond Health Lab undergo rigorous quality-control procedures to ensure they meet high industry standards.
Third-Party Testing: Every batch is subject to independent, third-party analytical testing for purity, identity, and consistency.
Advanced Methodology: We utilize High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry to verify that each peptide meets required research-grade standards.
Certificates of Analysis (COAs): Full COAs, including purity percentages and molecular confirmation, are available upon request for every batch before it is released.
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