Hi-Tech Pharmaceuticals Decabolin — 19-NorAndrost-4-ene-3β-ol,17-one Decanoate — is the only product of its kind still legal to convert to "Deca" (Nandrolone) in the body. Nandrolone is prized as the perfect anabolic compound: it converts at a high rate from Decabolin's single active ingredient and is more effective than testosterone for building mass and strength, with fewer side effects, since its binding affinity at the androgen receptor of muscle tissue is superior to testosterone's. Even more important, Decabolin cannot directly aromatize to estrogen nor convert to DHT or its derivatives — making it highly potent, completely non-aromatizable, and naturally occurring. Delivered via Cyclosome™ Technology's liposomal delivery system for near-100% bioavailability — significantly more than products lacking this delivery system, which suffer meaningful compound breakdown during digestion. Take 1 tablet in the morning and 1 tablet in the evening (up to 2 tablets daily). One bottle of 60 tablets is a complete 30-day cycle at the 2-tablet dose. Cycle for 8 weeks, followed by 6-8 weeks off and a PCT (Arimiplex recommended). Not for use by persons under 18. Will likely cause a positive drug test for Nandrolone/Deca-Durabolin.†
Supplement Facts — Hi-Tech Pharmaceuticals Decabolin (Per 1 Tablet / 60 Servings)
Other Ingredients: Microcrystalline Cellulose, Phosphatidylcholine 75%, Hydroxypropyl Beta Cyclodextrin (HPBCD), Phytosterols, Magnesium Stearate, Silica, FD&C Blue #2, FD&C Red #40
Delivery: Cyclosome™ Technology — liposomal, near-100% bioavailability, prolonged release
Does not directly aromatize to estrogen or convert to DHT or its derivatives
Non-liver toxic
60 tablets — 30-day complete cycle at 2 tablets daily
Take 1 tablet in the morning and 1 tablet in the evening
Recommended cycle length: 8 weeks on, followed by 6-8 weeks off (some retailers suggest a shorter 6-week maximum for new users)
PCT recommended immediately following the cycle — Hi-Tech Arimiplex is a popular choice, run for 4 weeks
Not for use by individuals under 18
May cause a false positive urine test for Nandrolone/Deca-Durabolin for competitive athletes
California Prop 65 Warning applies.
The Only Legal Nandrolone Precursor
Decabolin rounds out Hi-Tech's Pro Anabolic line as the only legal "Nandrolone" precursor on the market — a distinct compound class from the testosterone-pathway prohormones (like Sustanon 250 or Chosen1) or the DHT-pathway compounds elsewhere in the prohormone category. 19-NorAndrost-4-ene-3β-ol,17-one Decanoate is a two-step precursor to 19-nortestosterone (Nandrolone), converting in the body as: 19-NorAndrost-4-ene-3β-ol,17-one Decanoate → 19-Norandrostenediol → 19-Nor Testosterone (Nandrolone). This compound is comprised of a lipophilic Decanoate ester bond at the 3-key position, which increases both the stability and purity of the compound — the same Decanoate ester family used in pharmaceutical Nandrolone Decanoate (Deca-Durabolin), giving Decabolin its extended, sustained release profile.†
Why 19-Nor Compounds Bind Differently
The 19-nor prohormones are a group of compounds that are precursors to Nandrolone. Their chemical structure differs from the more familiar Androstenes and Testosterone by the absence of the number-19 carbon atom and its attached hydrogen atoms. Removing this chemical group results in a much flatter three-dimensional molecular structure — and that structural change produces much more favorable binding affinities for skeletal muscle tissue rather than for prostate and other sexual tissues. A high binding affinity for muscle means the compound is more likely to enter muscle cells and produce the desired anabolic effects there specifically, rather than the broader, less targeted tissue distribution of testosterone-pathway compounds.†
No Estrogen, No DHT — A Genuinely Different Side-Effect Profile
Decabolin's real benefit, beyond its anabolic effects, is that its aromatization to estrogen and its negative androgenic side effects are significantly lower than testosterone and older testosterone precursors like Androstenedione and Androstenediol. This combination of anabolic activity with reduced estrogen aromatization and androgenic complications is precisely what makes Decabolin an effective, potent, and relatively safer muscle-building compound within the prohormone category. Early user feedback consistently reports lean mass and strength gains without corresponding water gains — allowing for increases in strength and aggression, reduction of body fat, and a leaner look to the physique, since there's no estrogen-driven water retention masking the underlying muscle gain.†
Cyclosome™ Technology — Near-100% Bioavailability
Hi-Tech incorporates Cyclosome™ Technology, a liposomal delivery system, specifically to maximize Decabolin's bioavailability. Products lacking this delivery system can suffer significant compound breakdown during digestion — Hi-Tech's liposomal approach ensures nearly 100% bioavailability, meaning substantially more of the active 19-Nor DHEA Decanoate reaches your bloodstream intact rather than being degraded by first-pass hepatic metabolism before it can act.†
Decabolin's Role in a Stack — Built to Pair
Decabolin is designed to be one of the most effective stacking prohormones on the market — its non-liver-toxic nature makes it an ideal companion for other prohormones in the Hi-Tech lineup. While Decabolin can be used alone, it's commonly stacked with Hi-Tech Anavar (increased size and lean muscle), Dianabol (preserving built muscle), Equibolin (lean muscle mass and recovery), Winstrol (lean muscle mass and hardness), or Halotestin (mass while staying cut and lean) — as well as with 1-Andro products (1-AD), 4-Andro (Androdiol), and Superdrol among the most potent pro-anabolic combinations in the sports supplement market. Users often notice more defined muscles and a drier physique when using Decabolin, making it a strong choice for cutting cycles, though it's equally effective for bulking phases focused on strength gains.†
Frequently Asked Questions
Is Decabolin the same as the steroid Deca-Durabolin?
No — Decabolin is a legal prohormone precursor that converts to Nandrolone (the active hormone in Deca-Durabolin) within the body through a natural enzymatic process. It is not the pharmaceutical injectable steroid itself, but its conversion to Nandrolone means it can produce a false positive on a drug test that specifically screens for Nandrolone or Deca-Durabolin.†
Do I need PCT after a Decabolin cycle?
Yes. We strongly recommend taking a PCT after your Decabolin cycle — Hi-Tech Arimiplex is a very popular choice, taken for 4 weeks immediately following the completion of your cycle, to restore natural testosterone production and hormonal balance.†
Can women take Decabolin?
Women can take Decabolin for increasing muscle mass and definition, but should take fewer pills per day than the recommended male dosage on the bottle. Increased estrogen from Decabolin specifically is rare given its non-aromatizing profile; Hi-Tech Arimistane can be used as an estrogen blocker if needed. Women should consult a physician before use given the general risks associated with androgenic compounds.†
Does Decabolin cause hair loss?
Decabolin does not cause hair loss, since it does not convert to DHT — the androgen most directly implicated in androgenic alopecia. If you are concerned about or prone to hair loss generally, supplements like Saw Palmetto can provide additional support.†
How to Take Hi-Tech Pharmaceuticals Decabolin
Take 1 tablet in the morning and 1 tablet in the evening, with or without food. Do not exceed 2 tablets in any 24-hour period. Cycle for 8 weeks, followed by 6-8 weeks off before considering a new cycle (some guidance suggests limiting a first cycle to 6 weeks). Begin a 4-week PCT (Arimiplex recommended) immediately following the completion of your cycle. Not for use by individuals under 18. Avoid use if pregnant, planning pregnancy, or breastfeeding. Discontinue use immediately if you experience rapid heartbeat, nausea, dizziness, or other comparable symptoms. Competitive athletes should consult their regulatory organization before use, as this product may result in a false positive urine test for Nandrolone/Deca-Durabolin. Consult a physician if you have any medical conditions or take other medications. California Prop 65 Warning applies.†
Why Buy at Get Yok'd
Real-time inventory across all five Southern California stores
Available in Burbank, Glendale, Glendale Galleria, Pasadena, and North Hollywood
Authorized Hi-Tech Pharmaceuticals retailer — carrying Decabolin alongside Anavar, Dianabol, Winstrol, Halotestin, and the full Hi-Tech Pro Anabolic lineup
Staff who can walk you through Decabolin stacking options and PCT planning in person at any location
One of the best loyalty programs in the supplement industry — earn rewards on every purchase
Who Should Not Take Decabolin
Not for use by individuals under 18 years of age
Avoid use if pregnant, planning pregnancy, or breastfeeding
Not for tested athletes — will likely cause a positive drug test for Nandrolone/Deca-Durabolin
Women should take a reduced dose and consult a physician before use
Not for individuals with cardiovascular conditions, elevated cholesterol, or high blood pressure without physician clearance
Not for individuals with liver disease — though the compound itself is non-liver-toxic, on-cycle liver support is a sensible precaution during any prohormone cycle
Discontinue use immediately if you experience rapid heartbeat, nausea, dizziness, or other comparable symptoms
Do not use without PCT (Arimiplex recommended) immediately following the cycle
Consult a physician before use if taking any prescription medications or having any medical condition
Do not exceed recommended dose or cycle length
California Prop 65 Warning applies.
Keep out of reach of children.
†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
