Masteron Prop. 100

Yes. Every batch of Masteron Prop. 100 – Proper Labs is independently lab-tested for purity and dosed exactly as labelled, and a certificate of analysis is available on request.

Most UK orders arrive within 1 to 2 working days with Royal Mail Tracked 24. Orders paid before 12:00 (noon) on a working day are dispatched the same day. Delivery times are estimates, not guarantees.

Yes. Every order ships in plain, unmarked packaging with a neutral sender name and no reference to the contents.

Most anabolic steroids and stronger SARMs suppress natural testosterone, so post cycle therapy is recommended after a cycle. Support products such as PCT items, peptides and HGH generally do not. See our PCT range for Clomid, Nolvadex and HCG.

We accept UK bank transfer, all major cards and crypto (with a discount). Bank transfer and crypto clear quickly, so dispatch is rarely delayed.