Testagen 20mg
$58.00
Buy Testagen 20mg: Khavinson Bioregulator Peptide for Reproductive & Endocrine Research
Testagen (20mg) is a synthetic short-chain bioregulator peptide (KEDG: Lys-Glu-Asp-Gly) studied in reproductive research for its potential influence on testosterone regulation and male fertility. As a Khavinson-style peptide, it is investigated for supporting spermatogenesis, steroidogenesis, hormone balance, and related aspects of muscle mass maintenance in preclinical models. Research explores its interactions with the pituitary-thyroid axis, gene expression modulation, and normalization of endocrine signaling in aging or compromised reproductive systems.
Peptide Sequence: Lys-Glu-Asp-Gly (KEDG) Molecular Formula: C₁₇H₂₉N₅O₉ Molecular Weight: 447.2 g/mol Purity: ≥99% (lyophilized, research-grade)
Important Notice: This peptide is strictly intended for research and laboratory use only. Not for human consumption, diagnostic, therapeutic, or veterinary purposes. Please review and agree to our Terms and Conditions before ordering.
What is Testagen?
Testagen, also referred to as KEDG or Anterior Pituitary Peptide (APP), is a tetrapeptide bioregulator in the Khavinson family. It is examined for its ability to penetrate cellular and nuclear membranes, interact directly with DNA and histones, and modulate gene expression programs linked to endocrine function — particularly those involving the pituitary, thyroid, and gonadal axes.
In laboratory models, Testagen is studied for its selective effects on reproductive tissues, steroid hormone pathways, and cellular differentiation processes related to male reproductive health.
Mechanism of Action in Research
Testagen is explored for:
- Influencing pituitary signaling to support thyroid-stimulating hormone (TSH) release and downstream thyroid hormone (T3/T4) production
- Normalizing testosterone biosynthesis and feedback loops in steroidogenic cells
- Promoting gene activation associated with spermatogenic and steroidogenic pathways
- Modulating epigenetic mechanisms (e.g., chromatin decondensation) in aging or stressed reproductive models
These properties make it a tool for probing hormone homeostasis, reproductive axis regulation, and age-related endocrine decline without exogenous hormone administration.
Key Research Areas and Potential Insights
Testagen is of interest in reproductive biology, endocrinology, and gerontology.
Testosterone Regulation & Steroidogenesis
Studies investigate its role in supporting endogenous testosterone production, Leydig cell function, and steroid hormone synthesis in experimental models.
Spermatogenesis & Male Fertility
Research examines potential enhancements to germ cell maturation, sperm production, and overall testicular function in preclinical settings.
Hormone Balance & Endocrine Feedback
Explorations focus on pituitary-thyroid-gonadal axis interactions, hormone normalization, and resilience against age- or stress-induced imbalances.
Muscle Mass & Metabolic Support
Additional models assess indirect effects on anabolic processes, energy metabolism, and body composition linked to optimized androgen signaling.
Research Applications
The 20mg vial supports:
- In-vitro studies on Leydig/Sertoli cells, pituitary cultures, and steroidogenic assays
- Preclinical models of hypogonadism, infertility, aging, and endocrine disruption
- Gene expression, epigenetic, and hormone level analyses
- Comparative bioregulator experiments with other Khavinson peptides
Reconstitution typically uses bacteriostatic water for precise dosing in lab protocols.
Why Choose 99% Pure Testagen 20mg?
Our Testagen delivers ≥99% purity for consistent, reproducible results in receptor signaling, gene regulation, hormone kinetics, and reproductive endpoint studies. Third-party tested and lyophilized for maximum stability.
In summary, Testagen 20mg is a high-quality synthetic bioregulator peptide for advanced research into testosterone regulation, male fertility, spermatogenesis, steroidogenesis, hormone balance, and reproductive endocrine health. Elevate your preclinical investigations with this targeted Khavinson peptide tool.
Latest Testing: Link to Report

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