Masteron Propionate 100

£45.00

Masteron Propionate 100 — 100mg/mL of Drostanolone Propionate, the original and fastest-acting Masteron ester. Where Masteron Enanthate provides 7-day half-life convenience, Masteron Propionate’s 3-day half-life demands every-other-day injection but rewards this frequency with faster onset and faster clearance — critical advantages in pre-contest phases where rapid body composition response and clearance timing are priorities. Drostanolone Propionate produces the hardening and drying aesthetic that has made Masteron the finishing compound of choice for competitive bodybuilding for fifty years: its anti-oestrogenic properties tighten skin and eliminate subcutaneous water, its androgenic nature drives muscle separation and vascularity, and it complements every compound in…

SKU: PHX-020
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Description

Masteron Propionate 100 — 100mg/mL of Drostanolone Propionate, the original and fastest-acting Masteron ester. Where Masteron Enanthate provides 7-day half-life convenience, Masteron Propionate’s 3-day half-life demands every-other-day injection but rewards this frequency with faster onset and faster clearance — critical advantages in pre-contest phases where rapid body composition response and clearance timing are priorities. Drostanolone Propionate produces the hardening and drying aesthetic that has made Masteron the finishing compound of choice for competitive bodybuilding for fifty years: its anti-oestrogenic properties tighten skin and eliminate subcutaneous water, its androgenic nature drives muscle separation and vascularity, and it complements every compound in a pre-contest stack by reducing oestrogenic noise while adding androgenic tone. Users describe the ‘feel’ of Mast P as cleaner and more responsive than the Enanthate form. At 100mg/mL, EOD injection at 0.5–1mL maintains productive plasma levels. Verified at 99%+ purity by Puralytix. Every-other-day injection at 0.5–1mL maintains stable plasma levels. Standard doses of 300–500mg weekly are productive; pre-contest use at 400–600mg weekly is common. The fast-acting nature of Propionate means response to dose changes is rapid — reducing dose produces noticeable effect within days.

Every Phalanx Anabolics batch is independently assayed by a third-party laboratory for identity, label-claim accuracy and heavy-metal content. The certificate below corresponds to the batch supplied for this product.

PHX-B1103-26Pass

Masteron Propionate 100

Purity99.6%
Tested21 May 2026
LabPuralytix
Drostanolone Propionate100mg/ml → 102mg/ml
Pb · NDHg · NDAs · NDCd · ND

Certificate issued by Puralytix. View all certificates →

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