Drosta Prop 100 – Drostanolone Propionate

Drosta Prop 100 is drostanolone propionate at 100 mg/ml, made by Syncom Labs. Drostanolone (also known as Masteron) is a DHT-derived injectable that does not convert to oestrogen, so it does not cause the bloating or water retention seen with more aromatising compounds. It is used almost exclusively in cutting phases to give a harder, drier look and more visible muscle separation.

As a guide only, and not medical advice, drostanolone propionate is commonly reported at 300 to 400 mg per week, split into injections every other day because of its short propionate ester. Cycles are usually run for around 8 weeks toward the end of a cutting phase when body fat is already low, since it works best on a leaner physique. It is not considered a first-cycle compound and is generally added on top of an existing testosterone base.

Being a DHT derivative, drostanolone carries androgenic risks including hair loss in those prone to it, acne, and increased body hair, along with a negative effect on cholesterol that lowers HDL and raises LDL. It also suppresses natural testosterone production, so a testosterone base and a proper PCT afterward are considered necessary rather than optional. Bloodwork before, during, and after use is the sensible way to track how your body is responding.

Both are the same drostanolone hormone, the difference is the ester. Propionate is shorter-acting and needs more frequent injections, roughly every other day, but it clears the system faster and is preferred by those who want tighter control near the end of a cut or before a show. Enanthate lasts longer per injection but takes longer to kick in and clear, making it better suited to longer-term cutting blocks rather than short, sharp finishing phases.

Yes. Drostanolone suppresses natural testosterone output, so a post-cycle therapy protocol is required to help the body recover normal hormone production once the cycle ends. A common approach is nolvadex starting a few days after the last injection, though the right protocol depends on the rest of the cycle it was run alongside. This is general information, not medical advice, so speak to a doctor about your own bloodwork and recovery plan.

Every box of Drosta Prop 100 we sell is authentic Syncom Labs product with its own verification check-code so you can confirm it against the manufacturer. Orders are dispatched from our UK warehouse via Royal Mail Tracked 24 in plain, discreet packaging, and most customers across the UK see delivery within 1 to 2 working days. Get your order in before midday on a working day and it goes out the same day.