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Strombaject 50mg/ml 10x1ml Ampullen by Balkan Pharmaceuticals
Established Brand

Strombaject 50mg/ml 10x1ml Ampullen by Balkan Pharmaceuticals

Strombaject is an aqueous injectable stanozolol preparation — 50 mg per millilitre, supplied in a ten-ampoule format — whose active compound was first synthesised by Winthrop Laboratories in 1962 and has since accumulated more than six decades of documented clinical and athletic-performance research. That long developmental arc distinguishes stanozolol from many newer synthetic androgens that lack comparable longitudinal data on tissue response and tolerability. Batch release at Balkan Pharmaceuticals' Chișinău facility is contingent on passing both HPLC quantification and LAL endotoxin assays; no ampoule leaves the line until both acceptance criteria are met.

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  • Backed by more than 60 years of clinical and sports-science literature specific to this compound
  • Aqueous suspension vehicle provides a distinct absorption profile compared to esterified oil-based androgens
  • 50 mg/ml concentration matches the dose units most frequently cited in peer-reviewed stanozolol research
  • Ten individually sealed glass ampoules prevent cross-contamination between injection sessions
  • Balkan Pharmaceuticals' GMP-certified Chișinău facility ensures EU-standard manufacturing controls
  • SHBG-suppression activity documented across multiple decades of pharmacological investigation
  • Established formulation parameters reflect concentration ranges validated in clinical angioedema trials

Key takeaways

  • Trace Strombaject's active ingredient back to its 1962 synthesis at Winthrop Laboratories.
  • Recognise over six decades of peer-reviewed pharmacokinetic and clinical research behind this compound.
  • Rely on HPLC and LAL-verified batch release for confirmed 50 mg/ml potency.
  • Choose single-dose ampoules to preserve sterility throughout a ten-injection cycle.
  • Leverage the compound's documented SHBG-suppression data when structuring stack protocols.

Stanozolol's Origin: From Winthrop Laboratories to Modern Injectable Formulation

Strombaject delivers stanozolol — a dihydrotestosterone-derived anabolic agent synthesised for the first time in 1962 at Winthrop Laboratories and subsequently approved by the U.S. Food and Drug Administration under the trade name Winstrol — at a concentration of 50 mg/ml in a water-based, single-dose injectable vehicle. Stanozolol's creation arose from a broader mid-century programme of steroid structural modification aimed at separating anabolic tissue-building activity from androgenic virilising effects. Compared to testosterone propionate, which was already in clinical use by the 1940s, stanozolol represented a second-generation design philosophy that used pyrazole ring incorporation to alter metabolic fate and receptor interaction patterns. The compound rapidly entered clinical practice for hereditary angioedema, aplastic anaemia, and post-surgical muscle-wasting states — indications that generated the earliest peer-reviewed pharmacokinetic datasets.

Developmental Timeline: Key Milestones That Shaped the Compound's Profile

During the 1970s and 1980s, stanozolol accumulated a substantial body of sports-science literature after its adoption by track-and-field athletes; this period produced much of the empirical data bodybuilders continue to reference today regarding cycle length, hepatic enzyme elevation patterns, and SHBG (sex hormone-binding globulin) suppression kinetics. The injectable aqueous form — the formulation category to which Strombaject belongs — was developed alongside the oral tablet to provide a route that bypasses first-pass hepatic metabolism, yielding a different absorption curve; injectable stanozolol demonstrates a plasma half-life of approximately 24 hours, as characterised in pharmacokinetic studies using radio-immunoassay methodology. Balkan Pharmaceuticals subsequently standardised this aqueous suspension at 50 mg/ml, a concentration selected to align with the dose units most consistently documented in the compound's historical clinical literature.

Balkan Pharmaceuticals and the Modern Standardisation of Strombaject

Balkan Pharmaceuticals positions Strombaject within its injectable anabolic portfolio as a historically validated compound rather than a speculative offering; the formulation parameters directly reflect the concentration ranges used in peer-reviewed angioedema and strength-sports research spanning from the 1970s through the 2000s. Every production batch undergoes HPLC (high-performance liquid chromatography) analysis to confirm active-ingredient concentration at the stated 50 mg/ml and LAL (Limulus Amebocyte Lysate) endotoxin testing to satisfy EU GMP Annex 1 parenteral-product requirements. The ten-ampoule, single-dose format preserves sterility across the full pack, eliminating the microbiological risk associated with multi-dose vial re-entry — a quality decision consistent with Balkan Pharmaceuticals' EU GMP-certified manufacturing standards at its Chișinău site.

Usage

  1. Verify the ampoule's printed batch number and expiry date against the carton before use, confirming the intact glass-fusion seal as evidence of unbroken sterility from the Chișinău production line.
  2. Snap the ampoule open at the coloured score ring using a sterile gauze pad; this single-use format means the entire 1 ml content must be drawn immediately and the ampoule discarded after use.
  3. Draw the full 1 ml (50 mg) into the syringe with an 18–21 gauge drawing needle; because stanozolol suspensions can settle, agitate the ampoule gently before drawing to ensure uniform particle distribution.
  4. Switch to an injection needle appropriate for intramuscular delivery (23–25 gauge, 1–1.5 inch) and administer into a large muscle group — gluteus, vastus lateralis, or deltoid — rotating sites across each EOD session to prevent localised irritation.
  5. Aspirate briefly before injection as standard intramuscular practice, then administer slowly and steadily; aqueous suspensions can cause transient injection-site discomfort, a characteristic noted in stanozolol's clinical history that is reduced by slow delivery speed.
  6. Record date, site, and dose after each injection; this log supports the monitoring of any hepatic enzyme changes at the mid-cycle blood draw, consistent with responsible use protocols recommended across decades of clinical guidance on this compound.

Warnings

Contraindications: Strombaject is contraindicated in individuals with diagnosed prostate or breast carcinoma, hypercalcaemia, nephrotic syndrome, or pre-existing severe hepatic impairment. Women who are pregnant or may become pregnant must not use this product, given documented virilising teratogenicity in animal studies conducted during stanozolol's original clinical development programme. Individuals with known hypersensitivity to stanozolol or any component of the aqueous suspension should not proceed.

Side Effects: Hepatotoxicity — reflected as elevated serum ALT and AST — is the most historically documented adverse effect associated with stanozolol across both oral and injectable routes; injectable use at equivalent doses generally produces a lower peak hepatic enzyme signal than oral dosing due to avoided first-pass metabolism. Additional adverse events include HDL cholesterol suppression (documented in lipid studies from the 1980s), androgenic effects such as accelerated scalp-hair recession in genetically predisposed males, and voice deepening in females. Injection-site discomfort, including nodule formation from suspension particle settling, is specific to the aqueous injectable form.

Monitoring: Obtain baseline blood panels — including full liver function tests (ALT, AST, ALP), complete lipid profile, haematocrit, and PSA for males over 40 — before commencing any cycle. Mid-cycle re-testing at week four is recommended given the hepatic enzyme elevation pattern documented in stanozolol pharmacokinetic studies; end-of-cycle testing informs PCT timing. Haematocrit monitoring is warranted because erythropoietic stimulation has been characterised in clinical haematology literature on anabolic androgens.

PCT: Post-cycle therapy should commence within three to five days of the final Strombaject injection, accounting for the compound's approximately 24-hour aqueous half-life. A standard SERM-based protocol — such as tamoxifen citrate 20–40 mg daily or clomiphene citrate 50 mg daily for four weeks — is aligned with the recovery timelines described in HPG-axis restoration literature. Gonadotropin support (hCG) during the final two weeks of the cycle may accelerate LH receptor re-sensitisation, particularly following longer-duration use.

Frequently asked questions

Where did stanozolol originally come from and who developed it?
Stanozolol was originally synthesised by chemists at Winthrop Laboratories in 1962 as part of a mid-century programme to create anabolic steroids with reduced androgenic activity compared to testosterone. The compound was patented and later approved by the U.S. FDA under the brand name Winstrol for clinical indications including hereditary angioedema and aplastic anaemia, providing a legitimate regulatory and research foundation from the outset.
When was injectable stanozolol introduced and how does it differ historically from the oral form?
The injectable aqueous suspension form of stanozolol was developed alongside the oral tablet during the early commercial phase of the compound's history, with both forms appearing in clinical practice during the 1960s and 1970s. The injectable route was favoured in settings requiring bypassed first-pass hepatic metabolism, a characteristic that generated separate pharmacokinetic datasets — including plasma half-life measurements of approximately 24 hours — distinct from the oral formulation's metabolic profile.
How has stanozolol's use in athletic and bodybuilding contexts evolved since its development?
Stanozolol's athletic use grew substantially during the 1970s and 1980s, particularly in track-and-field and strength sports, producing an extensive empirical literature on cycle length, SHBG suppression, and lean-mass retention that bodybuilders still reference today. Over decades its use shifted from primarily clinical applications toward performance contexts, and the accumulated long-term data — covering both efficacy endpoints and side-effect profiles — sets it apart from many synthetic androgens developed more recently with far shorter research histories.
Why does Strombaject come in 10x1ml single-dose ampoules rather than a multi-dose vial?
Single-dose glass ampoules eliminate the risk of microbial contamination from repeated needle entry that is inherent in multi-dose vials. Each of the ten ampoules in a Strombaject pack is heat-sealed at the point of filling, and once opened it is intended for immediate single use, ensuring that every injection draws from a sterile, uncontaminated source — a critical consideration for an aqueous suspension, which lacks the antimicrobial preservatives commonly added to oil-based preparations.
Is 50mg/ml stanozolol considered a low concentration, and does that affect dosing accuracy?
At 50 mg/ml, Strombaject sits at the standard concentration for injectable stanozolol preparations and is the lowest concentration tier encountered in this compound category. Far from being a drawback, this concentration level allows straightforward dose increments in 0.5 ml steps — yielding 25 mg per increment — which improves dosing granularity for users calibrating weekly protocols between 50 mg and 100 mg. This aligns with the dose ranges most consistently reported in the clinical and sports-science literature on injectable stanozolol. (2) angle_used

Manufacturer

Strombaject sits within Balkan Pharmaceuticals' injectable anabolic portfolio as one of the company's historically grounded single-compound products — a line built on established molecules with decades of clinical precedent rather than novel or experimental agents. Across this portfolio, Balkan maintains a consistent policy of single active ingredient per SKU, which means Strombaject contains only stanozolol at 50 mg/ml with no secondary anabolic substances, allowing precise dose management consistent with how the compound was characterised in its original clinical trials. The injectable range itself spans aqueous suspensions and oil-based solutions, with each formulation type validated separately under EU GMP Annex 1 parenteral-product requirements at the Chișinău facility; for aqueous products such as Strombaject, this includes particular scrutiny of particle size distribution and suspension homogeneity during in-process quality checks. Balkan's product-line architecture also ensures that every injectable SKU is released only after HPLC confirmation of stated concentration and LAL endotoxin clearance, controls applied uniformly across the portfolio regardless of which active ingredient is involved.

Product details

BrandBalkan Pharmaceuticals
Active ingredientstanozolol injection
Also known asWinstrol Depot, injizierbares Stanozolol, Strombaject, Balkan Pharmaceuticals Winstrol Depot
Strength50 mg
FormAmpullen
Pack size10 pieces
Item numberINJ-STAN-BAL-50-001

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