Testosterone Enanthate 300mg/ml

A high-purity, oil-based injectable formulation of Testosterone Enanthate (300 mg/mL), designed solely for laboratory, analytical, and research use.

The enanthate ester provides a long-acting testosterone release profile, making it suitable for endocrine, androgen-receptor, and metabolic function studies that require stable plasma kinetics with reduced dosing frequency.

Reference-standard androgen:
Testosterone remains the benchmark hormone in comparative androgenic–anabolic research, serving as the control compound for receptor-binding and physiological response studies.

Balanced anabolic-to-androgenic ratio:
Approximately 1:1 in standardized assays, enabling clean comparative data across anabolic and androgenic endpoints.

Supports multi-system studies:
Widely utilized in muscle, bone, sexual-function, and metabolic-homeostasis investigations; ideal for establishing baseline androgenic responses in animal or in-vitro models.

Predictable pharmacokinetics:
The enanthate ester yields a half-life of ~5–7 days, supporting once-weekly administration in long-term in vivo protocols.

Highly stable esterified formulation:
Oil-based vehicle ensures sterility, solvent stability, and prolonged shelf life under controlled laboratory conditions.

Our Testosterone Enanthate 300 mg/mL delivers pharmaceutical-grade testosterone in a long-ester formulation optimized for research reproducibility and consistency.

• ≥99 % purity confirmed via HPLC & Mass Spectrometry

• Long-ester profile for smooth, sustained release kinetics

• Sterile, oil-based injectable solution in tamper-evident glass vials

• Full COA (Certificate of Analysis) available upon request

• Discreet, tracked shipping with laboratory-grade packaging

Upon administration, the enanthate ester undergoes slow hydrolysis, gradually releasing free testosterone into circulation. Free testosterone binds to androgen receptors (ARs) in muscle, bone, and neural tissue, promoting protein synthesis, nitrogen retention, erythropoiesis, and neuromuscular efficiency.

Research applications frequently include:

• Androgen-receptor binding & signal-transduction studies

• Comparative anabolic vs androgenic activity assays

• Endocrine-feedback and HPTA suppression modeling

• Muscle hypertrophy and catabolic-resistance investigations

• Bone-density and osteoblast stimulation studies

Is Testosterone Enanthate legal to purchase?
A: Our Testosterone Enanthate is sold strictly for laboratory and research purposes, not for human consumption. Buyers must ensure compliance with all applicable regulations.

What is its half-life?
A: Approximately 5–7 days, depending on injection matrix and metabolic rate, making it a preferred long-acting androgen ester in controlled studies.

How does it compare with Testosterone Cypionate or Propionate?
A: Enanthate is slightly shorter-acting than Cypionate but longer-acting than Propionate, offering a mid-range pharmacokinetic profile ideal for steady-state research conditions.

What are typical research observations?
A: Published data show increases in nitrogen balance, red-blood-cell mass, protein synthesis, and muscle-fiber cross-sectional area in androgen-responsive tissue models.

What potential side effects are reported in human data?
A: Suppression of endogenous gonadotropins, fluid retention, and lipid-profile alterations have been noted in human literature. These findings inform mechanistic and comparative studies but are not relevant to laboratory-only use.

What if crystallization occurs in the vial?
A: Warm gently (no higher than 37 °C) and swirl until dissolved.
If dark discoloration or particulate matter appears, do not use.

Can it be co-administered with other compounds in research?
A: Frequently combined with nandrolone or drostanolone esters in controlled endocrine or receptor-synergy studies.

After completing your purchase, please check your email for reference guides on androgen-receptor methodology, assay preparation, and pharmacokinetic modeling to support your ongoing research.