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Research details
Testosterone Cypionate — research data
Half-life~8 days (cypionate ester). Weekly to biweekly injection.
Regulatory statusFDA-approved (Depo-Testosterone)
NCAA D1Banned
Overview
About Testosterone Cypionate
Mechanism of action
Esterified exogenous testosterone; converted to active testosterone after ester cleavage; binds androgen receptors; promotes protein synthesis, nitrogen retention, red blood cell production, muscle hypertrophy, and libido.
Safety profile
Testicular atrophy, infertility (suppresses natural testosterone), polycythemia, cardiovascular risk (lipid changes), injection site pain, acne, hair loss, gynecomastia (via aromatization), mood changes. · Schedule III controlled substance; cardiovascular risks; polycythemia; liver toxicity at high doses; hormonal suppression
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