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Levels of testosterone with intramuscular injections of testosterone cypionate were about 700 ng/dL for 100 mg/week, 1100 ng/dL for 250 mg/week, and 2000 ng/dL for 500 mg/week. [75] [76] In another study, testosterone levels with 600 mg/week testosterone enanthate by intramuscular injection were 2,800–3,200 ng/dL. [75] [77]
[4] [3] As such, testosterone cypionate and testosterone enanthate are considered to be "functionally interchangeable" as medications. [4] For reference, testosterone enanthate has an elimination half-life of 4.5 days and a mean residence time of 8.5 days and requires frequent administration of approximately once per week. [21]
Intramuscular injection: 13.0 days: 20.9 days: 34.9 days Testosterone undecanoate: Castor oil solution: Intramuscular injection: 11.4 days: 33.9 days: 36.0 days Testosterone buciclate a: Aqueous suspension: Intramuscular injection: 25.8 days: 29.5 days: 60.0 days Notes: Testosterone cypionate has similar pharmacokinetics to Testosterone ...
Intramuscular injection: 13.0 days: 20.9 days: 34.9 days Testosterone undecanoate: Castor oil solution: Intramuscular injection: 11.4 days: 33.9 days: 36.0 days Testosterone buciclate a: Aqueous suspension: Intramuscular injection: 25.8 days: 29.5 days: 60.0 days Notes: Testosterone cypionate has similar pharmacokinetics to Testosterone ...
Testosterone. Even the word alone sounds manly. For men, testosterone is important for drive, fertility, heart health, bone health, energy and mood — to name just a few benefits.
They are provided as an oil solution and are administered by intramuscular injection. [5] The different testosterone esters provide for different elimination half-lives in the body. Esterification of testosterone provides for a sustained but non-linear release of testosterone hormone from the injection depot into the circulation. Sustanon 100 ...
Testosterone cypionate and testosterone enanthate were formerly available in combination with estradiol cypionate and estradiol valerate, respectively, under the brand names Depo-Testadiol and Ditate-DS, respectively, as oil solutions for intramuscular injection, but these formulations have been discontinued. [57]
Mixed testosterone esters b: Oil solution: Testosid Depot: 14–20 days Testosterone enanthate: Oil solution: Delatestryl: 14–28 days Testosterone cypionate: Oil solution: Depovirin: 14–28 days Mixed testosterone esters c: Oil solution: Sustanon 250: 28 days Testosterone undecanoate: Oil solution: Aveed, Nebido: 100 days Testosterone ...