Product name:Testosterone Undecanoate
This product is an androgenic drug, the eleven ester of testosterone, and a derivative of testosterone. It can promote male growth, male secondary sex and development of testicular and accessory sex glands. Promote protein synthesis and reduce decomposition, enhance immune function, promote bone growth. It promotes erythrocytogenetic feedback, inhibits gonadotropin secretion, and inhibits estrogen secretion.
After oral administration, the drug is absorbed into the lymphatic vessels of the small intestine in the form of chylous particles and enters the circulation through the thoracic duct. The testosterone is released after the ester bond cleavages. This absorption form avoids the first pass effect and hepatotoxicity of the liver. After oral administration, serum testosterone level increased gradually and reached steady state after 2~3 weeks. After intramuscular injection of single dose, serum testosterone peak time was about seventh days, and 21 days after intramuscular injection, the level of serum testosterone was recovered after 2~3 days of intramuscular injection. This product is a lipophilic drug. After oral administration, it is absorbed by the lymphatic system together with the lipid. The individual difference is large. The Tmax is 1 to 8h, with an average of 4H. Urinary excretion was 1 to 45% weeks to 48% after taking medicine, and 40% of 24h absorbed in urine.
Oral. It must be used under the guidance of a specialist. The starting dose was 120 to 160mg (3~4) per day, and the dose was 40 to 120mg (1~3) daily after two weeks of treatment. Two times in the morning and evening, after meals. If the capsule is single daily, take 1 capsules in the morning or follow the doctor's advice.
White or almost white crystalline powder
Loss on drying
The product conforms analysis standard