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Testosterone can be taken by a variety of different routes of administration. [2] [3] These include oral, buccal, sublingual, intranasal, transdermal (gels, creams, patches, solutions), vaginal (creams, gels, suppositories), rectal (suppositories), by intramuscular or subcutaneous injection (in oil solutions or aqueous suspensions), and as a subcutaneous implant.
Testosterone cypionate is a testosterone ester and a long-lasting prodrug of testosterone in the body. [7] [2] [3] Because of this, it is considered to be a natural and bioidentical form of testosterone. [14] Testosterone cypionate was introduced for medical use in 1951.
Pharmacokinetics of testosterone esters Testosterone ester Form Route T max Tooltip Time to peak levels t 1/2 Tooltip Elimination half-life MRT Tooltip Mean residence time; Testosterone undecanoate: Oil-filled capsules: Oral? 1.6 hours: 3.7 hours Testosterone propionate: Oil solution: Intramuscular injection? 0.8 days: 1.5 days Testosterone ...
Testosterone cypionate: Depo-Test [b] Androgen: IM, SC: 50–100mg once/week or 100–250mg every 2–4 wks: Testosterone isobutyrate: Agovirin Depot: Androgen: IM, SC: 50–100mg once/week Mixed testosterone esters: Sustanon 250 [b] Androgen: IM, SC: 250mg every 2–3 wks or 500mg every 3–6 wks: Testosterone undecanoate: Aveed [b] Androgen ...
Testosterone enanthate: Delatestryl: Oil solution: 50–250 mg 1x/1–4 weeks Xyosted: Auto-injector: 50–100 mg 1×/week Testosterone cypionate: Depo-Testosterone: Oil solution: 50–250 mg 1x/1–4 weeks Testosterone isobutyrate: Agovirin Depot: Aqueous suspension: 50–100 mg 1x/1–2 weeks Testosterone phenylacetate b: Perandren, Androject ...
The majority of your testosterone is bound tightly to proteins called sex hormone-binding globulins (SHBG), which sequester the free T and take it out of action so it can’t have any end effect.
Testosterone propionate/testosterone cypionate/prasterone (TP/TC/DHEA), sold under the brand name Sten, is an injectable combination medication of testosterone propionate (TP), a fast-acting androgen/anabolic steroid, testosterone cypionate (TC), a long-acting androgen/anabolic steroid, and prasterone (dehydroepiandrosterone; DHEA), an androgen and neurosteroid, which has been used to treat ...
Testosterone esters were synthesized for the first time in 1936, and were found to have greatly improved potency relative to testosterone. [12] Among the esters synthesized, testosterone propionate was the most potent, and for this reason, was selected for further development, subsequently being marketed. [ 12 ]