Nandrolone Deca Durabolin 300mg/mL is a long ester injectable anabolic formulation supplied in a 10mL vial. Manufactured for consistency, stability, and research applications.
Format10mL Vial
Concentration300mg/mL
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HPLC verified. COA on file for this batch
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Discreet plain packaging; always
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Nandrolone Decanoate, universally recognized by its pharmaceutical brand name Deca Durabolin, is one of the most extensively researched injectable anabolic compounds in clinical and sports science literature with a documented history spanning several decades across endocrine, hematological, and muscle wasting research. CSD’s 300mg/mL formulation delivers a higher concentration than the standard 250mg/mL Deca Durabolin presentations in our range, supplied in a 10mL multi dose vial for researchers requiring a reduced injection volume per dose while maintaining equivalent compound delivery.
The decanoate ester gives Nandrolone Decanoate a half life of approximately 15 days among the longest of any injectable anabolic compound. This extended release profile requires only weekly administration in documented research protocols to maintain stable blood concentration levels, making the 10mL vial format a practical long duration supply. The 300mg/mL concentration of this formulation is particularly relevant for researchers working with higher dose protocols, where the increased concentration per millilitre meaningfully reduces the injection volume required compared to standard 250mg/mL alternatives.
As a 19-nor steroid, Nandrolone Decanoate lacks the carbon atom at the 19th position of the testosterone structure, producing a substantially reduced aromatization rate compared to testosterone esters and a distinct interaction profile with androgen receptors. Deca Durabolin has accumulated particularly significant clinical literature in areas examining anabolic activity, connective tissue, bone density, and red blood cell production research areas where its long active window and well characterized pharmacokinetics make it a frequently selected reference compound.
Every batch of CSD’s Nandrolone Decanoate 300mg/mL is third party lab tested for concentration accuracy and purity prior to release, with COA documentation available on request. Canada Steroid Depot stocks Nandrolone Decanoate across multiple concentrations and formats including 250mg/mL vial, 250mg/mL ampoules, and this 300mg/mL vial alongside NPP in both vial and ampoule formats, allowing researchers to source complete nandrolone comparison sets from a single verified Canadian supplier. All orders ship discreetly across Canada in plain, unmarked packaging with no identifying information on the exterior.
Store at room temperature away from direct light and heat. Do not freeze. Intended for research purposes only.
Commonly researched alongside a testosterone base compound and a prolactin management agent. Browse CSD’s full injectable range and PCT compounds for complete protocol sourcing.
happy with this product good idea to keep extra as stock can fluctuate some pip depending on location
★★★★★KenneystacksVerified buyer2026-02-07
More detailed comment under Test Prop,
Go see…..:
I love this deca 300,
Will be buying again,
Smooth, so far great results
Future business earned
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Thank you for the prompt service, email interaction, product delivery, and feels great
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This Nandrolone Decanoate is manufactured by F-40 Biotech, a verified domestic Canadian supplier producing injectable anabolic compounds to CSD's quality standards. All F-40 Biotech products stocked by CSD are independently HPLC tested by accredited third party laboratories before listing, confirming concentration accuracy at 300mg/mL and compound identity as Nandrolone Decanoate. A certificate of analysis is available on request for this specific lot number.
The active compound is identical Nandrolone Decanoate but at 300mg/mL rather than the standard 250mg/mL concentration. The higher concentration means each mL of injection volume delivers more active compound, a single 1mL injection delivers 300mg compared to 250mg from the standard formulation. This makes the 300mg/mL version particularly practical for research protocols targeting 300mg weekly doses, where a single 1mL injection delivers the full weekly dose precisely without requiring partial vial measurements. For higher weekly doses of 600mg, two 1mL injections deliver the full weekly amount in a compact injection volume.
Nandrolone Decanoate most widely known as Deca Durabolin is a 19-nortestosterone derivative and one of the most extensively researched anabolic compounds in the clinical literature. It demonstrates a high anabolic to androgenic ratio, strong nitrogen retention, significant collagen synthesis stimulation, and marked joint lubrication properties through synovial fluid production. Originally developed for muscle wasting, osteoporosis, and anemia research, it has one of the longest clinical research histories of any injectable anabolic compound with decades of safety and efficacy data across multiple research contexts.
Nandrolone Decanoate has a half-life of approximately 6–12 days typically administered once weekly in research protocols. At 300mg/mL, a single 1mL weekly injection delivers 300mg a common research dose. For higher weekly doses of 600mg, two 1mL injections split across the week (e.g. Monday and Thursday) produce more stable plasma Nandrolone levels. PCT timing requires a 3 week delay after the last injection due to Nandrolone Decanoate's extended half-life. This 10mL vial contains 3000mg total, sufficient for 10 weeks at 300mg weekly.
Yes! This F-40 Biotech batch has been independently HPLC tested by an accredited third party laboratory confirming concentration accuracy at 300mg/mL and compound identity as Nandrolone Decanoate. A certificate of analysis is available.
