Testosterone Enanthate 250mg/mL in ethyl oleate (EO), 10mL vial. Pharma grade formulation with consistent dosing and smooth oil base.
Format10mL Vial
Concentration250mg/mL
CarrierEthyl Oleate Oil
Pay with Interac e-Transfer or Crypto
HPLC verified. COA on file for this batch
Ships from within Canada; No Customs
Discreet plain packaging; always
24h dispatch; Tracked Delivery
Testosterone Enanthate is a long acting single ester testosterone compound with a well documented half life of approximately 7–10 days, providing stable and predictable blood concentration levels suited to research protocols requiring infrequent administration. This formulation is manufactured by Evolve Biolabs and delivers 250mg/mL in a 10mL multi dose vial using Ethyl Oleate as the sole carrier; a synthetic ester solvent that produces a distinctly different handling profile compared to traditional oil based testosterone preparations.
Ethyl Oleate’s significantly lower viscosity compared to grapeseed, cottonseed, sesame, and MCT oil carriers results in notably smoother draw and administration characteristics, particularly relevant at the 250mg/mL concentration of this formulation. It also functions as a co solvent, improving compound solubility and enabling stable high concentration formulations with reduced carrier volume. These properties make Ethyl Oleate a subject of ongoing interest in pharmaceutical injectable research and a preferred carrier for researchers prioritizing ease of administration in long duration protocols.
Evolve Biolabs formulations are stocked by Canada Steroid Depot following the same third party lab verification process applied to all products in our range; every batch is tested for concentration accuracy and purity before being made available, with COA documentation available on request. CSD does not carry products that fail to meet our sourcing standards regardless of manufacturer, and the Evolve Biolabs Testosterone Enanthate is no exception. All orders ship discreetly across Canada in plain, unmarked packaging with no identifying information on the exterior.
Some researchers note increased sensitivity to Ethyl Oleate compared to traditional oil carriers. A well documented characteristic in the injectable literature worth considering when selecting between CSD’s Testosterone Enanthate carrier options, particularly for those switching from oil based formulations for the first time.
Store at room temperature away from direct light and heat. Do not freeze. Intended for research purposes only.
This Testosterone Enanthate is manufactured by Evolve Biolabs; a verified domestic Canadian supplier producing injectable anabolic compounds to CSD's quality standards. All Evolve Biolabs products stocked by CSD are independently HPLC tested by accredited third party laboratories before listing, confirming concentration accuracy at 250mg/mL and compound identity as Testosterone Enanthate. A certificate of analysis is available on request for this specific lot number.
Ethyl Oleate (EO) is one of the lowest viscosity injectable carrier solvents available, significantly thinner than traditional carrier oils such as cottonseed, sesame, or grape seed oil. It flows effortlessly through fine gauge needles including 25–27 gauge at room temperature without pre warming, making it the preferred carrier for researchers who prioritize injection comfort and ease of administration through thin needles. The Evolve Biolabs formulation combines EO's injection comfort advantage with their manufacturing quality standards.
Ethyl Oleate formulations are associated with a slightly higher incidence of post injection site reactions in a subset of researchers compared to traditional oil carriers; typically presenting as mild redness, itching, or temporary swelling at the injection site. This is believed to be related to EO sensitivity rather than allergy in most cases, and reactions are typically mild and self resolving. Researchers who have previously experienced sensitivity to EO based formulations should opt for an alternative carrier oil version from our catalogue.
Administration frequency is determined by the ester half-life, 7–10 days for Testosterone Enanthate regardless of carrier oil or manufacturer. Once weekly administration is the most common research schedule for anabolic protocols. Twice weekly administration splitting the weekly dose into two equal injections produces tighter serum testosterone stability. The preferred approach in TRT research where hormonal consistency is the primary objective.
Yes! This Evolve Biolabs batch has been independently HPLC tested by an accredited third party laboratory confirming concentration accuracy at 250mg/mL and compound identity as Testosterone Enanthate. A certificate of analysis is available.
