Research Overview: Ultima-Undeca 250 Ultima Pharmaceuticals
Ultima-Undeca 250 is a pharmaceutical-grade nandrolone decanoate preparation manufactured by Ultima Pharmaceuticals for in-vitro research applications. This long-acting anabolic steroid compound features the decanoate ester attached to nandrolone, creating an extended-release formulation ideal for sustained pharmacological studies. Research scientists at Stroid UK Shop utilise this compound to investigate androgenic receptor binding patterns, tissue-specific anabolic activity, and hormonal modulation mechanisms in controlled laboratory settings. The 250mg/ml concentration provides researchers with standardised dosing for experimental protocols examining long-term androgenic effects.
Laboratory Applications
Researchers study Ultima-Undeca 250 to evaluate nandrolone’s tissue-selective anabolic properties, particularly its reduced androgenic activity compared to testosterone analogues. The decanoate ester modification enables examination of sustained hormone release kinetics over extended timeframes, making it valuable for longitudinal studies. Scientists investigate its interaction with androgen receptors, effects on protein synthesis pathways, and comparison with other compounds available in our nandrolone research category. This compound serves as a reference standard for examining the relationship between ester chain length and pharmacokinetic profiles in steroid research.
Research Specifications
| Active Compound | Nandrolone Decanoate |
|---|---|
| Concentration | 250mg/ml |
| Manufacturer | Ultima Pharmaceuticals |
| Formulation | Injectable Solution |
| Storage Requirements | Room temperature, protect from light |
| CAS Number | Verify with supplier |
| Research Category | Anabolic Steroid Study |
Comparative studies often examine this compound alongside other research materials from our SARMs collection and peptide research compounds to evaluate different androgenic modulation approaches.
Laboratory Compliance
Ultima-Undeca 250 is supplied exclusively for in-vitro research purposes and is not intended for human consumption, veterinary use, or any application outside controlled laboratory environments. Researchers must comply with all applicable regulations regarding the handling and study of anabolic steroid compounds in their jurisdiction.

