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Proper Labs
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Masteron Prop. 100

10 ml100 mg/ml
Drostanolone Propionate, a fast-acting ester for cutting hardness and vascularity.
£38.00 Save 11%
£33.90
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Usage Injectable

Performance Profile

/ 5
  • Strength3
  • Keep gains4
  • Popularity4
  • Weight gain2
  • anti estrogen3
  • Fat / water loss4

Often Bought Together

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Bundle Total3 items
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Frequently Asked Questions

What is Masteron Prop. 100 and what does it do?
Masteron Prop. 100 by Proper Labs is drostanolone propionate, a DHT-derived injectable that does not convert to oestrogen. Users run it in cutting phases for a harder, drier look, better muscle definition, and improved vascularity rather than for raw size. Its anabolic effect is moderate, so it works best on someone already lean rather than as a mass builder.
How is Masteron Propionate typically dosed and run?
As a guide and not medical advice, this compound is commonly reported at 300 to 400 mg per week for a first cycle, split across two injections, running for around 8 to 10 weeks. More experienced users sometimes go higher, but Masteron is not considered beginner friendly because of its androgenic side effect profile. A testosterone base is normally run alongside it since drostanolone suppresses natural testosterone production.
Do I need to run testosterone or PCT with Masteron Propionate?
Yes to both. Masteron suppresses your own testosterone output, so a testosterone base of roughly 200 to 300 mg per week is standard alongside it to avoid low-testosterone symptoms. Post cycle therapy is needed once the cycle ends, typically nolvadex starting around two weeks after the last injection, or clomid as an alternative.
What side effects should I be aware of?
Reported side effects include hair loss in men already prone to it, increased aggression or irritability, lowered HDL cholesterol, and prostate enlargement symptoms. It is not suitable for women due to the risk of virilisation. Bloodwork before, during, and after a cycle, covering hormone levels, lipids, liver function and PSA, is the sensible way to keep an eye on these risks.
How does Masteron Propionate compare to Trenbolone Acetate for cutting?
Both are cutting compounds, but Trenbolone Acetate is far more powerful for adding lean mass and strength while dieting, with a correspondingly harsher side effect profile including sleep and cardiovascular strain. Masteron Propionate is milder and is mostly used to finish off a physique with hardness and dryness rather than to build noticeable size. Some users stack the two together for a harder cutting cycle, but that combination raises the overall side effect load significantly.
Is this genuine Proper Labs stock and how fast will it ship?
Every Masteron Prop. 100 box we sell is authentic Proper Labs product with its own verification check-code so you can confirm it before use. Orders dispatch from our UK warehouse the same day if placed before midday on a working day, travel on Royal Mail Tracked 24 in plain unmarked packaging, and most customers see their parcel land within 1 to 2 working days.