Masteron Propionate

Name: Masteron Propionate
SKU: SynMastP100mg
Availability: InStock

Price range: $ 80.00 through $ 95.00 CAD

Masteron Propionate 100 mg/mL is a short-ester drostanolone used for a dry, hard finish with fast onset and simple estrogen control. Split doses every other day. At 300 mg per week, inject 50 mg or 0.5 mL EOD. At 400 mg, inject 70 mg or 0.7 mL EOD. At 500 mg, inject 80 mg or 0.8 mL EOD. At 600 mg, inject 100 mg or 1.0 mL EOD. A M-W-F schedule also works using 100–200 mg per shot depending on the target total. Pair with a measured testosterone base. Mast P does not aromatize, so AI needs often drop at moderate totals. Use labs to guide any move. Start PCT about 5–7 days after the final propionate shot or order GHCanada’s PCT service for dates and doses. Add syringes and swabs at checkout. When you want a sharp look, reliable strength, and quick adjustments, Mast P fits the plan.

Masteron Propionate 100mg/mL is a Canadian steroid made by Syntex Labs.

Place an order for Masteron Propionate steroid now and we’ll ship it to you anywhere in Canada & USA within 24h.

For USA customers packaging may differ and dosage is 100mg/mL

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Masteron Propionate 100 mg/mL (Drostanolone Propionate) | 10 mL or 20 mL

What you are buying and why lifters choose it

Masteron Propionate is a short-ester drostanolone used for a dry, hard finish with fast onset and simple estrogen control beside a testosterone base. The propionate ester builds levels quickly and clears quickly, which suits photo checkpoints, short cuts, and responsive adjustments. Split the weekly total into small, frequent injections to keep serum levels smooth.

Order here: Masteron Propionate. Check free-shipping eligibility and recent reviews.

Product overview

Attribute	Detail
Compound	Drostanolone Propionate
Also known as	Masteron Prop, Mast P
Strength	100 mg/mL
Formats	10 mL or 20 mL multi-dose vial
Class	Injectable DHT-derived anabolic, non-aromatizing
Ester	Propionate, short acting
Approx half-life	About 2 days
Aromatization	None
Progestin activity	None meaningful
Primary goals	Hardness, dryness, strength retention, mild anti-estrogenic effect
Injection frequency	Every other day or M-W-F
Typical partners	Measured testosterone base; optional EQ or Primo for clean long phases
Kick-in window	Days 5–10 for most users
PCT	Required after clearance window

What Masteron Propionate actually does in the gym and in the mirror

What is Masteron. A DHT-based injectable that does not aromatize. It supports a crisp, dry look as body fat falls.

What does Masteron do.

Tightens visual lines and separation when you are lean.
Holds strength in a deficit so training quality stays high.
Simplifies estrogen management with a testosterone base.
Delivers dense pumps without big day-to-day water shifts.

How long does Masteron Propionate stay in your system.
With a two-day half-life, meaningful activity tapers within a week of the final shot. Plan PCT with that timing.

How often to inject Masteron.
Every other day fits the ester best. A M-W-F schedule works when EOD is not feasible.

Dosing principles

Mast P rewards leanness, frequent micro-doses, and discipline. The leaner the athlete, the stronger the visual return per milligram.

Common weekly ranges

User	Conservative start	Common range	Upper end for advanced users*
Men	300 mg per week	300–600 mg per week	700–800 mg per week
Women	25 mg per week	25–50 mg per week	75–100 mg per week (high virilization risk)

*Upper-end values reflect community practice, not a recommendation. Most users reach goals in the common range.

Injection rhythm with dosage-included schedules

Supplies: 3 mL Syringe and Alcohol Swabs. Rotate gluteal and ventrogluteal sites. Warm the vial. Push slowly.

Every-other-day schedule at 100 mg/mL

300 mg per week

Week	Day 1	Day 3	Day 5	Day 7	Notes
1–8	50 mg = 0.5 mL	50 mg = 0.5 mL	50 mg = 0.5 mL	50 mg = 0.5 mL	Baseline BP, waist and photo log

400 mg per week

Week	Day 1	Day 3	Day 5	Day 7	Notes
1–8	70 mg = 0.7 mL	70 mg = 0.7 mL	70 mg = 0.7 mL	70 mg = 0.7 mL	Tight electrolytes, log lifts

500 mg per week

Week	Day 1	Day 3	Day 5	Day 7	Notes
1–8	80 mg = 0.8 mL	80 mg = 0.8 mL	80 mg = 0.8 mL	80 mg = 0.8 mL	Sleep locked, lipid check mid-block

600 mg per week

Week	Day 1	Day 3	Day 5	Day 7	Notes
1–8	100 mg = 1.0 mL	100 mg = 1.0 mL	100 mg = 1.0 mL	100 mg = 1.0 mL	Step down in week 8, PCT prep

M-W-F schedule at 100 mg/mL

Weekly total	Mon	Wed	Fri	Total shots
300 mg	100 mg = 1.0 mL	100 mg = 1.0 mL	100 mg = 1.0 mL	3
360 mg	120 mg = 1.2 mL	120 mg = 1.2 mL	120 mg = 1.2 mL	3
450 mg	150 mg = 1.5 mL	150 mg = 1.5 mL	150 mg = 1.5 mL	3
600 mg	200 mg = 2.0 mL	200 mg = 2.0 mL	200 mg = 2.0 mL	3

Quick volume guide at 100 mg/mL
50 mg = 0.5 mL • 70 mg = 0.7 mL • 80 mg = 0.8 mL • 100 mg = 1.0 mL • 120 mg = 1.2 mL • 150 mg = 1.5 mL • 200 mg = 2.0 mL

Example schedules

8-week cutting plan

Week	Masteron P	Testosterone base	Diet and cardio focus
1–2	300 mg per week, EOD 50 mg = 0.5 mL	Test Prop 200–250 mg per week	Set calories, protein 2.0 g/kg, 8–10k steps
3–6	400–500 mg per week, EOD 70–80 mg = 0.7–0.8 mL	Test Prop 250–300 mg per week	Tight electrolytes, weekly waist and photos
7–8	300–400 mg per week, EOD 50–70 mg = 0.5–0.7 mL	Test Prop 200–250 mg per week	Exit ramp, sleep dialed

10-week recomposition plan

Week	Masteron P	Testosterone base	Notes
1–4	300 mg per week, EOD 50 mg = 0.5 mL	Testosterone Enanthate 250–300 mg per week	Build consistency. If using Test E, keep Mast P EOD
5–8	400 mg per week, EOD 70 mg = 0.7 mL	Test E 250–300 mg per week	Small deficit, maintain lifts
9–10	300 mg per week, EOD 50 mg = 0.5 mL	Test E 200–250 mg per week	Step down toward clearance

Estrogen management the adult way

Mast P does not aromatize and often reduces AI needs beside a testosterone base. Let labs and symptoms guide any change. When support is required, keep doses conservative and retest in 10–14 days:

Aromasin
If tissue sensitivity appears while dialing in the base and AI, use Nolvadex while you adjust.

For structured review of results and timing, book Bloodwork Analysis & Recommendations.

Side effects and how to manage them

Lipids
DHT-based items trend HDL downward. Keep cardio steady, favor unsaturated fats, and track labs.

Androgenic effects
Acne, oil, or hairline pressure rise with higher totals. Reduce overall load before adding more items.

Injection fatigue
Short esters require regular pinning. Set reminders. Rotate sites. Use fresh needles for draw and inject.

Suppression
Plan PCT before the first pin. Propionate clears quickly, so the PCT window arrives sooner than long esters.

Post-cycle therapy timing

A simple outline after a Test plus Mast P block:

Weeks	Nolvadex	Clomid	Notes
1–2	40 mg daily	50 mg daily	Start about 5–7 days after the last propionate shot
3–4	20 mg daily	25–50 mg daily	Taper guided by labs and symptoms

Prefer a mapped plan with dates and reminders. Use the Post-Cycle Therapy Protocol.

Stacking logic that stays clean

Anchor with testosterone. Test Prop matches the rhythm for short runs.
Keep the stack lean. Add only one cosmetic partner if your goal calls for it.
Let data decide AI use. Mast often lowers perceived estrogen issues at moderate totals.
Keep any oral short and avoid overlapping methylated orals.

Nutrition and training that let Mast P shine

Protein 1.8–2.2 g per kg bodyweight across 3–5 meals.
Carbs around training for pumps and recovery.
Dietary fat at least 0.6 g per kg to protect joints and hormones.
Electrolytes kept steady each day.
Cardio two or three easy sessions weekly for lipids and BP.
Lifting with clean reps, consistent exercise selection, and a logged progression.

Who should choose Masteron Propionate and who should not

Choose Mast P if you want a fast start, frequent small injections, and a dry look as you lean out. It suits short cuts, event prep, and responsive blocks.

Skip Mast P if frequent injections do not fit your schedule or you prefer a slower, long-ester rhythm. In that case, look at Mast E or other long esters.

Why Canadians buy Mast P from GHCanada

Predictable in-country shipping and clear stock.
Recognizable strengths and labeling aligned with common protocols.
One-stop support for ancillaries, syringes, and PCT services from start to finish.

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