Mastabol 100

Testviron 300 is an oil-based injectable containing two different testosterone compounds: testosterone enanthate (C7H14O2), 50mg and testosterone propionate (C3H6O2), 250mg.Testosterone enanthate is one of the main forms of testosterone prescribed in the United States. It is a slow-acting ester with a release time between 8-10 days. Testosterone enanthate is typically injected anywhere between once every week to once every three weeks. Testosterone propionate is a fast-acting ester with a release time of 3-4 days. To keep blood levels from fluctuating greatly, propionate is usually injected between one to three times a week.