Hi-Tech Pharmaceuticals - Primobolan - 90 Tablets

Hi-Tech Pharmaceuticals Primobolan is a three-compound cutting and lean mass prohormone — a 50mg Cyclosome-delivered blend combining 1-Androstene-3b-ol-17-one (1-ANDRO, the 1-Testosterone precursor), 3β-Acetoxyandrost-5-en-17-one (DHEA Acetate, a fast-acting testosterone precursor), and 6-keto-(25R)-Spirost-5-en-3β-diol (a plant-derived spirostanol for protein synthesis and muscle recovery) in a single tablet dosed three times daily. Hi-Tech describes Primobolan as combining the attributes of their 1-Testosterone and Winstrol products — the clean, dry, non-aromatizing anabolic profile of 1-ANDRO with a testosterone base and plant anabolic support — into one formula optimized for cutting cycles, lean muscle preservation during caloric restriction, and the hard, defined look associated with summer competition prep. 90 tablets per container — 30-day supply at 3 tablets daily. For experienced adult men 21 years and older only. Not for women. PCT required. Not for tested athletes. California Prop 65 Warning applies.†

IMPORTANT: Hi-Tech Pharmaceuticals Primobolan is a legal prohormone dietary supplement. It is not pharmaceutical methenolone (injectable or oral Primobolan/Primobolan Depot), which is a Schedule III controlled substance. PCT required after cycle. Not for persons under 21. Not for women.

Supplement Facts — Hi-Tech Pharmaceuticals Primobolan (Per 1 Tablet / 90 Tablets / 30-Day Supply)

50mg Proprietary Prohormone and Anabolic Blend (Cyclosome Delivery)

• 1-Androstene-3b-ol-17-one (1-ANDRO / 1-DHEA) — converts to 1-Testosterone; 200:100 anabolic/androgenic ratio; non-aromatizing; no estrogen or DHT conversion; promotes dry lean mass and strength
• 3β-Acetoxyandrost-5-en-17-one (DHEA Acetate / Prasterone Acetate) — fast-acting acetate ester of DHEA; converts to testosterone via androstenedione/androstenediol pathway; supports size, strength, and anabolic environment during cut
• 6-keto-(25R)-Spirost-5-en-3β-diol — plant-derived spirostanol saponin; promotes protein synthesis and muscle recovery through non-hormonal pathways; does not convert to sex hormones

• Other Ingredients: Microcrystalline Cellulose, Phosphatidylcholine 75%, Hydroxypropyl Beta Cyclodextrin (HPBCD), Medium Chain Triglycerides (MCT), Phytosterol, Stearic Acid, Magnesium Stearate, Starch, Silica
• Delivery: Cyclosome Technology (HPBCD liposomal inclusion complex + Phosphatidylcholine 75% + MCT)
• 90 tablets per container — 30-day supply at 1 tablet 3x daily (3 tablets/day)
• Take 1 tablet 3 times per day with or without food. Do not exceed 6 tablets per day.
• Cycle length: 30-60 days (1-2 bottles). Take equal time off following cycle.
• PCT required — Hi-Tech recommends Arimiplex
• On-cycle support recommended — Liver Rx or Gear Support
• For adult men 21+ only. Not for women.
• Will cause a positive drug test. Not for tested athletes.
• California Prop 65 Warning applies.

The Name and the Design Intent

Pharmaceutical Primobolan (methenolone acetate and methenolone enanthate) is a synthetic anabolic steroid developed in the 1960s, known for producing lean, dry, quality muscle gains with minimal estrogenic activity — one of the few anabolic steroids historically used in cutting cycles specifically because it does not aromatize and does not produce the water retention and estrogenic side effects associated with testosterone-based steroids. It was famously associated with aesthetic-focused bodybuilders and physique athletes who prioritized muscle quality over mass. Hi-Tech Pharmaceuticals' Primobolan supplement uses the name to communicate this same design intent: a cutting-optimized, dry, non-bloating anabolic agent focused on lean muscle preservation and physique quality during caloric restriction.†

The supplement contains no methenolone — pharmaceutical Primobolan is a Schedule III controlled substance requiring a prescription. Hi-Tech's formula achieves the cutting cycle profile through legal DHEA-derived prohormones and a plant anabolic compound, positioning the product at the intersection of 1-Testosterone's dry 1-ANDRO profile and a testosterone base from DHEA Acetate. The "1-Testosterone + Winstrol combined" framing Hi-Tech uses in their marketing describes the combined effect profile — the clean gains and lean muscle focus of 1-Testosterone alongside a hardening and definition emphasis — not a literal combination of those two products' identical ingredients.†

The Three-Compound Formula

1-Androstene-3b-ol-17-one (1-ANDRO) — The Dry Anabolic Foundation

1-Androstene-3b-ol-17-one (1-DHEA / 1-Androstenolone) is the 1-ene isomer of DHEA — dehydrogenated between C1 and C2, giving it a double bond at the first position. This structural feature is mechanistically decisive: 1-ene dehydrogenated steroids show no substrate activity for the aromatase enzyme, meaning 1-DHEA is completely non-estrogenic from any conversion pathway. It converts via a two-step enzymatic process to 3β-hydroxy-5α-androst-1-en-17-one (1-Testosterone) — a 1-ene analog of testosterone with a documented 200:100 anabolic-to-androgenic ratio. West Texas A&M University published a clinical study in the Journal of Applied Physiology (2014) using the compound 3β-hydroxy-5α-androst-1-en-17-one (the active form 1-DHEA converts to) — participants gained an average of 10.4 lbs lean body mass in one month with significant strength gains, though researchers also noted health monitoring is advisable given the hormonal changes involved.†

1-ANDRO's practical profile is what makes it the anchor of a cutting prohormone: lean, dry gains that don't carry water weight or estrogenic bulk, strong affinity for androgen receptors, resistance to metabolic clearance due to the 1-ene double bond, and a hardening effect on muscle tissue that improves the definition and density of musculature rather than adding non-selective mass. In the context of a caloric deficit — where the goal is simultaneously losing fat and preserving existing muscle — 1-ANDRO's high androgen receptor affinity and anti-catabolic signaling is precisely what's needed. The androgen receptor, when occupied by 1-Testosterone-derived androgens, suppresses muscle protein breakdown through inhibition of glucocorticoid receptor competition and direct anti-catabolic gene expression.†

3β-Acetoxyandrost-5-en-17-one (DHEA Acetate) — The Testosterone Base

3β-Acetoxyandrost-5-en-17-one is DHEA (5-dehydroepiandrosterone) bound to an acetate ester at the 3-beta position. The acetate ester is the fastest-acting ester in the pharmaceutical ester hierarchy — it provides rapid hydrolysis and release of free DHEA in the bloodstream, making the testosterone conversion pathway from this compound activated quickly after oral ingestion. The conversion sequence is: DHEA Acetate → free DHEA → Androstenedione OR Androstenediol → Testosterone. This two-step conversion provides the testosterone substrate that the body uses for general anabolic signaling — protein synthesis, nitrogen retention, IGF-1 production, and the anabolic environment that allows muscle tissue to grow and repair.†

The DHEA Acetate component gives Primobolan a wet dimension absent from purely 1-ANDRO-based formulas. 1-ANDRO alone, while potently anabolic for lean muscle, doesn't produce the same baseline testosterone support that creates the broad anabolic environment associated with testosterone-based cycles. The DHEA Acetate bridges this gap — it provides the testosterone precursor without adding a long-acting testosterone ester that would produce the water retention and mass accumulation of a bulking compound. The acetate ester's short duration maintains the cycle's cutting character while ensuring the hormonal environment supports maximal protein synthesis and strength maintenance during the caloric deficit.†

6-keto-(25R)-Spirost-5-en-3β-diol — The Plant Anabolic Layer

6-keto-(25R)-Spirost-5-en-3β-diol is a spirostanol saponin — the same class of plant-derived steroidal compounds used across Hi-Tech's prohormone lineup (including the 25R-Spirostan compounds in Anavar and Superdrol). Spirostanol saponins are steroid-like compounds derived from plants that stimulate protein synthesis through mechanisms involving estrogen receptor beta (ERβ) activation — producing anabolic effects on muscle tissue without binding androgen receptors and without converting to sex hormones. The 6-keto structural modification and the (25R) stereochemistry create a specific spirostanol with documented effects on protein synthesis stimulation and muscle recovery.†

The spirostanol's contribution to Primobolan's formula is complementary to rather than redundant with the prohormone compounds. While 1-ANDRO and DHEA Acetate work through androgen receptor-mediated anabolism (via their conversion products), the spirostanol stimulates protein synthesis through ERβ — a completely different receptor pathway. This means the plant anabolic layer adds anabolic protein synthesis stimulus that is additive to the androgenic anabolism of the prohormone compounds, without adding any androgenic side effects, without affecting hormonal status, and without requiring PCT contribution for this component specifically. The inclusion of a plant steroidal compound alongside the DHEA-derived prohormones is Hi-Tech's standard multi-pathway approach to prohormone formulation.†

Primobolan in the Hi-Tech Cutting Prohormone Lineup

Hi-Tech's prohormone catalog covers a spectrum from pure bulking (Sustanon 250, Androdiol, Superdrol) to pure cutting (Winstrol, Primobolan) with hybrids that work across both goals (Anavar). Primobolan is positioned at the cutting end — specifically as the "strongest cutting anabolic agent" in the Hi-Tech lineup, a claim built on the combination of 1-ANDRO's dry, non-aromatizing anabolic profile with the DHEA Acetate testosterone base and spirostanol protein synthesis support.†

The practical differentiation from other cutting products in the catalog: Winstrol (Epiandrosterone + Super Laxogenin + 7-Keto DHEA Acetate) is the purest cutting and hardening prohormone — all DHT-pathway, zero estrogen, focused on vascularity and muscle density. Primobolan (1-ANDRO + DHEA Acetate + spirostanol) adds a testosterone base through DHEA Acetate that Winstrol doesn't have, which means Primobolan provides more total anabolic support for lean muscle retention during a cut at the cost of slightly less purity of the "dry" character. Primobolan is the better choice for cuts where lean muscle preservation is the primary concern. Winstrol is the better choice for cuts where maximum hardness and vascularity with zero estrogenic risk is the priority.†

The recommended stack for maximum cutting is Primobolan paired with Hi-Tech's Trenabol (19-nor / 6-oxo formula) — the "Primo Tren Stack" — which adds the nandrolone-pathway and progesterone-based anabolic characteristics of the Trenabol formula to Primobolan's 1-ANDRO and testosterone base, creating a comprehensive multi-pathway cutting stack covering 1-Testosterone, testosterone, DHT-adjacent, and nandrolone-adjacent anabolic mechanisms simultaneously.†

Cyclosome Delivery — Why It Matters for This Formula

Primobolan's Cyclosome delivery system (HPBCD + Phosphatidylcholine 75% + Medium Chain Triglycerides) represents a meaningful upgrade over the basic HPBCD cyclodextrin complexation used in older Hi-Tech formulas. The addition of MCT (Medium Chain Triglycerides) to the Cyclosome matrix is specifically relevant for this formula because DHEA Acetate and the spirostanol compound are lipophilic — fat-soluble compounds whose absorption through the intestinal wall is facilitated by the presence of dietary lipids and lipid carriers. MCT provides a lipid vehicle within the tablet itself that enhances the absorption of these compounds through the intestinal lymphatic system without requiring a high-fat meal for optimal absorption.†

Standard oral bioavailability for DHEA and its derivatives without a delivery system is 3-6%. Hi-Tech's internal documentation for Cyclosome technology claims 90%+ bioavailability through the lymphatic bypass mechanism. While independent verification of that specific claim is limited, the general principle that cyclodextrin-liposome complexes (Cyclosome architecture) dramatically improve oral bioavailability of hydrophobic steroids relative to unformulated capsule/tablet delivery is well-documented in pharmaceutical research literature.†

Frequently Asked Questions

1. Is Hi-Tech Primobolan the same as pharmaceutical methenolone (injectable Primobolan)?
   No. Pharmaceutical Primobolan is methenolone acetate (oral) or methenolone enanthate (injectable) — synthetic anabolic steroids that are Schedule III controlled substances requiring a prescription in the United States. Hi-Tech Pharmaceuticals Primobolan is a legal dietary supplement containing 1-Androstene-3b-ol-17-one (1-DHEA), 3β-Acetoxyandrost-5-en-17-one (DHEA Acetate), and a plant spirostanol compound. The products share a name and a design philosophy — both are optimized for lean, dry gains during cutting — but share no chemistry. The name is a brand positioning choice, not a representation of pharmaceutical equivalence.†
2. Does Primobolan convert to estrogen? Is water retention a concern?
   Minimally. 1-Androstene-3b-ol-17-one (1-ANDRO) does not convert to estrogen — the 1-ene double bond eliminates aromatase substrate activity. The spirostanol does not convert to any sex hormones. The DHEA Acetate component converts to testosterone, which can aromatize to estradiol — this is the only potential estrogenic pathway in the formula. The acetate ester's rapid conversion and relatively smaller proportion of the blend limits the estrogenic contribution versus dedicated 4-DHEA bulking products. Most users describe Primobolan cycles as primarily dry with minimal water retention. PCT with Arimiplex after cycle is still required regardless.†
3. How does Primobolan compare to Winstrol and 1-Testosterone in the Hi-Tech lineup?
   1-Testosterone is a single-compound 1-ANDRO product — pure 1-Testosterone precursor with no testosterone base. The cleanest, driest 1-ANDRO experience. Winstrol is three compounds (Epiandrosterone + Super Laxogenin + 7-Keto DHEA Acetate) — all DHT-pathway with zero estrogen risk, focused on muscle hardness, vascularity, and thermogenic fat support. Primobolan is the combination: 1-ANDRO provides the dry anabolic foundation, DHEA Acetate provides a testosterone base for broader anabolic support, and the spirostanol adds protein synthesis support. Primobolan is the most complete cutting formula in Hi-Tech's lineup for users who want both the dry lean gains of 1-ANDRO and the total anabolic environment of a testosterone base in one product.†
4. What is the recommended cycle length and PCT?
   30-60 days (1-2 bottles at 3 tablets daily). New users should run a 30-day cycle with one bottle first to assess individual response. Follow every cycle with 4 weeks of Arimiplex PCT regardless of cycle length. Take equal time off as on before starting another cycle. On-cycle liver support with Liver Rx or Gear Support is recommended throughout.†

How to Take Hi-Tech Pharmaceuticals Primobolan

Take 1 tablet 3 times per day with or without food. Do not exceed 6 tablets per day. Consistent daily dosing is important — three evenly spaced doses throughout the day maintains more stable blood levels of the active prohormone compounds versus two concentrated doses. Cycle length: 30-60 days. Follow immediately with 4-week PCT (Arimiplex). Take equal time off cycle as on. On-cycle liver support with Liver Rx or Gear Support recommended throughout cycle. For adult men 21+ only. Not for women. Not for persons under 21. Will cause a positive drug test — not for use by athletes governed by any organization that tests for prohormones or performance-enhancing compounds. 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 retailer of Hi-Tech Pharmaceuticals
• Staff who can walk you through cycle planning, PCT selection, and the Primo Tren cutting stack in person at any location
• One of the best loyalty programs in the supplement industry — earn rewards on every purchase

Who Should Not Take Hi-Tech Primobolan

• Not for women — for adult men 21 years and older only
• Not for persons under 21 years of age
• Not for tested athletes — 1-ANDRO and DHEA-derived compounds will cause a positive drug test in any tested athletic environment (WADA, NCAA, USADA, professional sports). This product is prohibited in all organized tested sports.
• Not for men with a history of prostate cancer or enlarged prostate — androgen receptor-active prohormones stimulate prostate tissue
• Not for men with cardiovascular disease, low HDL cholesterol, or high blood pressure without physician clearance — prohormone cycles affect lipid profiles and cardiovascular parameters
• Not for men with liver disease — hepatic first-pass metabolism of prohormone compounds requires liver support on-cycle
• Not for use without a post-cycle therapy protocol — PCT is mandatory, not optional
• Consult a physician before use if taking any prescription medications
• 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.