ACTIVE HALF-LIFE
8 Hours
CLASSIFICATION
Anabolic Steroid
DOSAGE
20-50 mg/day
ACNE
Yes
WATER RETENTION
No
HBR
Perhaps
HEPATOTOXICITY
High
AROMATIZATION
No
MANUFACTURER
Pharmacom Labs
LAB TEST
See Document
WAREHOUSE
International Warehouse 3
SUBSTANCE
Stanozolol
Stanozolol, widely recognized as Winstrol, is a potent 17-alpha-alkylated derivative of dihydrotestosterone (DHT). Renowned for its low androgenic properties and high anabolic potency, this compound was developed in 1962 by Sterling-Winthrop Laboratories to enhance lymphocyte and CD8+ cell counts while reducing CD4+ and CD3+ levels in postmenopausal women suffering from osteoporosis. This unique mechanism suggests potential benefits for autoimmune conditions, making Winstrol a versatile choice in the medical field. Additionally, it is effective in treating hereditary angioedema and influences various immune processes.
Today, Stanozolol is available in both tablet and injectable forms, making it the second most popular oral anabolic steroid, following methandienone. The tablets have a relatively short lifespan of approximately nine hours, unlike the injectable version. Notably, unlike most oil-based anabolic steroids, Stanozolol's injectable form is an aqueous suspension of fine steroid particles, resulting in distinct pharmacokinetics that deviate from standard half-life patterns. This allows for a sustained effect that gradually diminishes over time, potentially lasting at least one week. Some particles may linger at the injection site for extended periods. Pharmacom Labs has also created an oil-based variant of Stanozolol, compatible with other oils, eliminating the drawbacks associated with the aqueous form. All variants offer excellent bioavailability.
While derived from DHT, Stanozolol exhibits milder androgenic activity. Its unique structure prevents conversion to estradiol, eliminating the need for aromatase inhibitors during use. This characteristic ensures no water retention; instead, it promotes a diuretic effect, contributing to a lean and aesthetically appealing physique without excess subcutaneous water. This makes Stanozolol an ideal choice for cutting cycles focused on fat loss and muscle definition, especially favored by athletes in speed and strength sports like track and field.
For bodybuilders, Stanozolol presents a significant advantage by notably reducing sex hormone-binding globulin (SHBG) levels, thereby enhancing the effectiveness of other steroids when stacked together. This results in an increased availability of biologically active free testosterone in circulation. Stanozolol is often recommended to be combined with testosterone for optimal results. However, it is important to note that Winstrol may increase tendon brittleness due to potential dehydration of joint fluid, which could lead to joint pain or injury. Both tablet and injectable forms can also adversely affect cholesterol levels, so regular monitoring of lipid profiles through blood tests during a cycle is recommended.
In summary, Stanozolol is an excellent choice for athletes looking to maintain their muscle mass while enhancing endurance and achieving a defined, firm physique.