Testosterone-E 300

Testosterone-E 300 is injectable Testosterone Enanthate, dosed at 300mg per ml in a 10ml vial. It is a long-acting ester of the male hormone testosterone, releasing steadily over several days once injected. Most cycles use it as a base compound to support muscle mass, strength, and recovery.

As a guide only and not medical advice, first-time users commonly run 300mg per week, either as one injection or split into two smaller shots such as 150mg on Monday and Thursday for steadier blood levels. Cycles usually run 12 to 16 weeks. Always speak to a doctor before starting any compound.

Testosterone converts to oestrogen in the body, so many users pair it with an aromatase inhibitor such as anastrozole to keep oestrogen in check and avoid water retention or gynaecomastia. hCG is also commonly used alongside it to help maintain testicular function. A PCT with clomiphene and tamoxifen after the cycle is standard practice to help natural testosterone production recover.

Commonly reported effects include acne, water retention, changes in blood pressure and cholesterol, and mood changes, with gynaecomastia possible if oestrogen is not controlled. Some users also notice testicular atrophy or hair loss if predisposed. Baseline and follow-up bloodwork covering testosterone, oestradiol, lipids, and liver function is a sensible precaution.

Enanthate and Cypionate behave almost identically, both releasing slowly with injections typically twice a week, so the choice usually comes down to personal preference or availability. Propionate is a shorter ester that needs more frequent injections, often every other day, but clears the system faster if a cycle needs to be stopped. Enanthate remains the most widely used option because it offers a good balance of stable levels and a manageable injection schedule.

Every vial we sell carries a Pharmaqo verification code so you can confirm it against the manufacturer's records before use. Orders are dispatched from our UK warehouse via Royal Mail Tracked 24, arriving in plain, unmarked packaging within 1 to 2 working days for most UK addresses. Get your order in before midday on a working day and it goes out the same day.