Injectable Steroids

Testoviron Depot 250 mg Bayer

Bayer

€50,00

In Stock (100 available)

Testoviron Depot 250 mg Bayer (250 mg) — Multi-ester testosterone blend — acute kick from short esters plus sustained plasma coverage from long esters. Twice-weekly pinning covers all fractions.

100 in stock

5+ −10%

10+ −15% Best price

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Categories: Bayer, Injectable Steroids

Description

Testoviron Depot 250 mg Bayer — Testosterone blend — multi-ester mix for compressed kick-in and sustained plasma coverage from a single injection. Each unit dosed at 250 mg.

Key Benefits

Multi-ester blend — acute kick + long-tail coverage from one injection
Classic Sustanon / Omnadren formulation (prop + phenyl + iso + deca)
Twice-weekly pinning schedule covers all four ester kinetics
Behaves functionally like testosterone enanthate for cycle planning
Popular pharma-grade option where single-ester vials aren’t available
Each unit dosed at 250 mg — see Recommended Dosage below for protocol-specific intake

Recommended Dosage

Research dosing: 250–750 mg/week; TRT 100–200 mg/week. Split across at least 2 injections (Mon/Thu). Shorter esters in the blend push injection frequency — once-weekly produces noticeable troughs.

How It Works

Mixture of 4 testosterone esters: propionate (fast), phenylpropionate (short-medium), isocaproate (medium), decanoate (long). At the AR the active hormone is identical across esters; the blend provides staggered release kinetics for smoother coverage.

Pharmacokinetics

Composite release: propionate peaks in ~24 h, phenylpropionate ~2 days, isocaproate ~3–4 days, decanoate ~7–10 days. Net effect similar to enanthate but with a gentler peak. Steady-state in 4 weeks. PCT starts 2 weeks after last injection.

Potential Side Effects

Standard testosterone side-effect profile. Propionate fraction can cause PIP; some users prefer pure enanthate for tolerability. AI dose by bloodwork — hematocrit and E2 at week 6.

Cycle & Stacking Guide

Cycle base identical to enanthate: 12–16 weeks for mass/recomp, paired with secondary compounds per goal. Twice-weekly pinning mandatory. PCT (Clomid + Nolva) 14 days after last pin.

Manufacturer Notes

Bayer is a multinational pharmaceutical company with a century-plus GMP manufacturing history. Their testosterone undecanoate product (Nebido) is a regulated pharmacy item.

Storage & Handling

Store upright at 15–25 °C in the original box, protected from light and moisture. Oil-based injectables are shelf-stable for the duration printed on the vial when kept at controlled room temperature. Do not refrigerate — cold thickens the carrier oil and makes drawing/injecting harder. Keep out of reach of children. For research and educational purposes only.

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2D structural representation · PubChem CID 9416 ↗

Chemical Identity
#	CAS Registry Number	`315-37-7`
Σ	IUPAC Name	[(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl] heptanoate
F	Molecular Formula	C₂₆H₄₀O₃
M	Molecular Weight	400.60 g/mol
⌬	SMILES	`CCCCCCC(=O)O[C@@H]1CC[C@@H]2[C@H]3CCC4=CC(=O)CC[C@]4(C)[C@@H]3CC[C@]12C`
⊞	InChIKey	`SEM27OEN34OSRR-ZHDKGOKVSA-N`
△	Melting Point	34-39 °C
≋	Solubility	Practically insoluble in water; soluble in vegetable oils
t½	Biological Half-life	4.5 days (IM)
⊕	PubChem CID	9416 ↗

Pharmacological Profile
Anabolic Rating	100
Androgenic Rating	100
Aromatization	Moderate
Hepatotoxicity	None
Detection Time	3 months

Clinical Notes

Mechanism & protocol-relevant pharmacology, reviewed by editorial pharmacology lead

The 7-carbon heptanoate ester of endogenous testosterone. IM depot kinetics: serum peak at 24–48 h post-injection, steady-state reached after 4–5 half-lives (weeks 3–4). Once-weekly administration produces ~200 ng/dL peak-to-trough variance at 200 mg/week; trough suppression on EOD or twice-weekly splits. Aromatises via CYP19A1 at physiological rates — 0.2–0.3% substrate conversion to estradiol. Target serum E2 on protocol: 25–40 pg/mL (sensitive LC-MS/MS). Aggressive AI dosing that suppresses E2 below 20 pg/mL produces the documented side profile of arthralgia, libido loss, lipid degradation, and cognitive fog — iatrogenic hypoestrogenaemia is a bigger problem than measured hyperoestrogenaemia in most protocols. HPTA shutdown is total within 14 days and predictable; recovery timeline post-cessation is 3–6 months with SERM-based PCT, longer without. Haematocrit drift is the most consistent long-run biomarker — 3–5 percentage points per cycle, additive across cycles without donation.

Known trade names: Delatestryl, Testoviron Depot, Cidoteston

External references

Data sourced from published pharmacological literature and authoritative chemical databases (PubChem, DrugBank, ChEBI). Provided for identification and research reference only.

2D structural representation · PubChem CID 5995 ↗

Chemical Identity
#	CAS Registry Number	`57-85-2`
Σ	IUPAC Name	[(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl] propanoate
F	Molecular Formula	C₂₂H₃₂O₃
M	Molecular Weight	344.49 g/mol
⌬	SMILES	`CCC(=O)O[C@@H]1CC[C@@H]2[C@H]3CCC4=CC(=O)CC[C@]4(C)[C@@H]3CC[C@]12C`
⊞	InChIKey	`OESFLMNLQKDDSF-RYAHJLFASA-N`
△	Melting Point	118-122 °C
≋	Solubility	Insoluble in water; soluble in vegetable oils, ethanol
t½	Biological Half-life	0.8 days (IM)
⊕	PubChem CID	5995 ↗

Pharmacological Profile
Anabolic Rating	100
Androgenic Rating	100
Aromatization	Moderate
Hepatotoxicity	None
Detection Time	2 weeks

Known trade names: Testoviron, Prop-100, Testolic

External references

Data sourced from published pharmacological literature and authoritative chemical databases (PubChem, DrugBank, ChEBI). Provided for identification and research reference only.

Testoviron Depot 250 mg Bayer