Nandrolone DecanoateBenefits, Dosage & Interactions
Also known as: Deca-Durabolin
Nandrolone decanoate is a synthetic anabolic androgenic steroid (AAS) derived from testosterone. It is known by its common brand name, Deca-Durabolin. Research on Nandrolone Decanoate focuses on bone and joint health and muscle and strength. Nandrolone Decanoate is administered by injection rather than orally.
Researched by DoseRoutine R&D TeamReviewed for accuracy by Nicholas Alexander, RSELast updated
2 human randomized trials and regulatory approval on file.
What published protocols report
Ranges documented in the literature, shown for reference. DoseRoutine does not recommend an amount — your prescriber or the product label sets the dose.
Reported for Nandrolone Decanoate in the cited sources. Published ranges are not dosing advice.
Nandrolone Decanoate compared with similar compounds
| Attribute | Testosterone enanthate | Nandrolone decanoate | Oxandrolone |
|---|---|---|---|
| Class | Injectable androgen ester | 19-nortestosterone ester | Oral 17-alpha-alkylated androgen |
| Route | Intramuscular | Intramuscular | Oral |
| Half-life | 4-5 days | 6-12 days | ~9 hours |
| Evidence grade | Strong | Moderate | Moderate |
| Oral stability | Not orally used | Not orally used | Orally active |
| Typical published cycle | Ongoing while prescribed | 12 weeks to 6 months in the wasting trials | Weeks to months in the burn trials |
| Main studied use | Male hypogonadism | Wasting in dialysis and HIV | Lean mass after severe burns |
References & evidence
Documents the Nandrolone Decanoate entry is written from. Each number matches an inline marker above.
- [1]Effects of resistance exercise training and nandrolone decanoate on body composition and muscle function among patients who receive hemodialysis: a randomized, controlled trialJohansen KL, Painter PL, Sakkas GK, et al. · Journal of the American Society of Nephrology · 2006 · Peer-reviewed · PMID 16825332
- [2]Effect of nandrolone decanoate therapy on weight and lean body mass in HIV-infected women with weight loss: a randomized, double-blind, placebo-controlled, multicenter trialMulligan K, Zackin R, Clark RA, et al. · Archives of Internal Medicine · 2005 · Peer-reviewed · PMID 15767536
How to track Nandrolone Decanoate doses
Nandrolone Decanoate is tracked as a protocol rather than a single reminder: a vial with a concentration, a schedule that may be titrated or cycled, and a rotation of injection sites. Here is the record that keeps all three consistent.
- 1
Record the vial and concentration
Log the vial strength and the volume of bacteriostatic water you added so Nandrolone Decanoate is stored as a concentration rather than a guess. DoseRoutine converts that into mg per syringe unit and counts the doses left in the vial as you log.
- 2
Set the schedule, not just a reminder
Enter the dose in mg and the frequency. Cycled protocols get a start and end date so the history stays accurate when Nandrolone Decanoate comes out of the routine.
- 3
Rotate and log the injection site
Pick the site at the moment you log the dose. The site map shows what you used last and how recently, which is the part that drifts fastest when two compounds run on different frequencies.
- 4
Log adherence, not intentions
Mark each dose taken, skipped or delayed as it happens. Weeks of honest logs are what make an adherence rate or a trend line meaningful; retrospective guessing is not.
- 5
Review against outcomes
With a reported half-life around 144 h, effects and timing shifts show up over days rather than instantly. Review Nandrolone Decanoate alongside your logged metrics and any relevant blood work every few weeks before changing the dose.
What to log each time
- Dose in mg and the syringe units it worked out to
- Vial: reconstitution date, concentration, doses remaining
- Injection site and time
- Any side effects in the 24 h after the dose
References & Evidence
Sources on this page that document Nandrolone Decanoate dosing, timing and safety.
- [1]National Center for Biotechnology Information View source
Educational information only — not medical advice. Dose ranges vary by person, indication and prescriber.
What is Nandrolone Decanoate studied for?
What is Nandrolone Decanoate?Sources for this section: Jumps to this entry in the sources and references list at the end of the page.
What does the research say about Nandrolone Decanoate?
Tap a section to expand.
Source for this section: Sources for How does Nandrolone Decanoate work?: Jumps to this entry in the sources and references list at the end of the page.
Source for this section: Sources for When should you take Nandrolone Decanoate?: Jumps to this entry in the sources and references list at the end of the page.
What interacts with Nandrolone Decanoate?
| Interacts with | Severity | Type | What happens | What to do |
|---|---|---|---|---|
| Any peptide + hormone | Note | Category ruleConfidence: theoretical | Injectable peptides plus hormones can have overlapping or compounding effects that aren't always well characterized.Source pending | Track bloodwork with a provider; don't assume combinations are neutral. |
Frequently asked questions about Nandrolone Decanoate
Which studies looked at Nandrolone Decanoate?
Peer-reviewed research indexed in PubMed. Each entry links to the original record.
- 1.Nandrolone Decanoate: Use, Abuse and Side Effects(opens PubMed in a new tab)Medicina (Kaunas) · 2020 · PMID 33187340 · https://pubmed.ncbi.nlm.nih.gov/33187340/
- 2.Nandrolone decanoate: pharmacological properties and therapeutic use in osteoporosis(opens PubMed in a new tab)Clin Rheumatol · 1995 · PMID 8846659 · https://pubmed.ncbi.nlm.nih.gov/8846659/
- 3.The impact of nandrolone decanoate on the central nervous system(opens PubMed in a new tab)Curr Neuropharmacol · 2015 · PMID 26074747 · https://pubmed.ncbi.nlm.nih.gov/26074747/
Sources cited on this page
Specific documents referenced by the numbered markers above. Each number matches the marker in the text.
- PubChem CID 9677(opens in a new tab)National Center for Biotechnology Information · pubchem.ncbi.nlm.nih.gov/compound/9677
Verify at
Publisher search links for Nandrolone Decanoate. These are places to check the information — they are not citations, so they are not numbered.
- Cochrane Library(publisher search, opens in a new tab)Cochrane · publisher search
- DrugBank(publisher search, opens in a new tab)DrugBank Online · publisher search
- Examine.com(publisher search, opens in a new tab)Examine.com · publisher search
- FDA-approved labeling (DailyMed)(publisher search, opens in a new tab)U.S. Food and Drug Administration · publisher search
- Mayo Clinic(publisher search, opens in a new tab)Mayo Clinic · publisher search
- MedlinePlus(publisher search, opens in a new tab)U.S. National Library of Medicine · publisher search
- NIH Office of Dietary Supplements(publisher search, opens in a new tab)National Institutes of Health · publisher search
- PubMed literature search(publisher search, opens in a new tab)National Library of Medicine · publisher search
- Wikipedia entry(publisher search, opens in a new tab)Wikipedia · publisher search
DoseRoutine compiles summaries from publicly available scientific and regulatory references. Always verify important decisions with a licensed clinician. How we source and review this information.
What is the short answer on Nandrolone Decanoate?
Plain-text summary, safe to quote verbatim:
Nandrolone decanoate is a synthetic anabolic androgenic steroid (AAS) derived from testosterone. It is known by its common brand name, Deca-Durabolin. Research on Nandrolone Decanoate focuses on bone and joint health and muscle and strength. Nandrolone Decanoate is administered by injection rather than orally.
Cite this page
Using this in an article, AI answer, or research note? Please attribute:
DoseRoutine. (2026). Nandrolone Decanoate — Overview, Benefits & Side Effects. Retrieved from https://doseroutine.com/library/nandrolone-decanoate
What compounds are similar to Nandrolone Decanoate?
Others in the hormone category or studied for the same goals.
Which goals is Nandrolone Decanoate used for?
Other compounds studied for the same benefits as Nandrolone Decanoate.
Bone & Joint Health
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