PHARMATEST E 300

ACTIVE HALF-LIFE 5-7 Days
CLASSIFICATION Anabolic Steroid
DOSAGE Men 300-1500 mg/week
ACNE Yes
WATER RETENTION Yes
HBR Perhaps
HEPATOTOXICITY No
AROMATIZATION Yes
CARRIER OIL Grapeseed Oil
MANUFACTURER Pharmacom Labs - US
LAB TEST See Document
WAREHOUSE USA Warehouse 4
SUBSTANCE Testosterone Enanthate ,

PHARMA TEST E300 (Testosterone Enanthate) is regarded as one of the most effective anabolic steroids for building muscle mass and is highly recommended as the foundation of any bulking cycle. Testosterone plays a crucial role in promoting overall health and well-being, contributing to increased libido, energy levels, immune function, fat loss, and the development and preservation of lean muscle mass. Additionally, it helps prevent osteoporosis (bone density loss) and may offer protection against heart disease. It pairs well with various other compounds, both oral and injectable, making it a powerful addition to any stack.

With a half-life of approximately 5-7 days, PHARMA TEST E300 functions as a slow-release ester, much like PHARMA TEST C250 (Testosterone Cypionate).

Synthetic testosterone was first developed in 1935 by German biochemist Adolf Butenandt and Swiss chemist Leopold Ruzicka, both of whom were awarded the Nobel Prize for their contributions.

Testosterone serves as the primary male sex hormone, significantly influencing the development of the testes and prostate, while also playing a vital role in muscle tissue growth, bone density, and strength. It is largely responsible for numerous physiological functions, including overall health, well-being, enhanced libido, energy, immune support, and reducing the risk of osteoporosis and heart disease. Research indicates that maintaining elevated testosterone levels in older men can positively influence various factors associated with lowered cardiovascular disease risk, such as increased lean body mass, reduced visceral fat, lower total cholesterol, and improved glycemic control. Testosterone not only contributes to sexual dimorphism but also regulates the presence of thromboxane A2 receptors in platelets and megakaryocytes, affecting platelet aggregation in humans. It impacts behaviors, moods, and relationships, and studies suggest that it may also influence career decisions. Cognitive functions such as attention, memory, and spatial abilities are notably affected by testosterone levels, with preliminary evidence linking low testosterone to cognitive decline and potential Alzheimer's disease, making it a significant consideration in life extension and anti-aging therapies.

Athletes particularly favor testosterone for its ability to significantly enhance muscle mass and strength gains. As a naturally occurring hormone, it remains the most widely used anabolic steroid and is typically the cornerstone of most cycles and stacks.

In bodybuilding, testosterone is predominantly employed as an injectable ester or suspension due to its poor oral bioavailability, as well as the impracticality of high-dose transdermal or sublingual methods. All forms of testosterone fundamentally consist of the active agent testosterone combined with an ester, which determines the release timing and duration of the compound's effectiveness. In summary, long esters allow for a gradual release of the active agent into the bloodstream, resulting in stable hormone levels without drastic fluctuations, depending on the specific ester used.

It is important to note that about 5% of testosterone in men is converted into the more potent androgen dihydrotestosterone (DHT) through 5α-reduction. Additionally, approximately 0.3% of testosterone is converted into estradiol (the primary female sex hormone) by aromatase, an enzyme found in the brain, liver, and adipose tissue. Therefore, precautions should be taken to mitigate related side effects. We recommend conducting blood tests and considering aromatase inhibitors (preferably anastrozole) during the cycle, as well as using selective estrogen receptor modulators (SERMs) such as clomifene or toremifene during post-cycle therapy (PCT).