Test-P100
Specifications:
-
Packaging:
1 vial / 10 ml -
Concentration:
100 mg/ml -
Active Substance:
Testosterone Propionate -
Active Half-life:
1-2 days -
Group:
Injectable Line -
Subgroup:
Testosterones -
Recommended Dosage:
Men's Dose: 100-300mg per week. Women's Dose: 10-30mg per week. -
Oil-based:
Grapeseed oil -
Retains water:
Yes -
Aromatization:
Yes
Product Description:
What it is and How it Works
Testosterone Propionate (Test P) is a fast-acting ester of Testosterone. Unlike longer esters such as Enanthate or Cypionate, it releases Testosterone into circulation almost immediately after injection, reaching peak levels within hours. This makes it popular for short cycles, pre-contest preparation, and situations where users want rapid results or fast clearance.
By binding to androgen receptors, Testosterone Propionate enhances protein synthesis, nitrogen retention, and red blood cell production. This leads to increased strength, muscle growth, endurance, and faster recovery. It also aromatizes to estradiol and reduces to DHT, supporting libido, mood, and joint health.
Potential side effects include injection site irritation due to the short ester, water retention, acne, oily skin, hair loss in genetically prone individuals, gynecomastia from estrogen conversion, and cardiovascular strain through elevated hematocrit or cholesterol changes.
How is it used?
Because of its short half-life, Testosterone Propionate requires frequent injections compared to longer esters. Most users inject it daily or every other day to keep hormone levels stable. This makes it less convenient but provides precise control over blood levels.
Its fast clearance also makes it a common choice for athletes who want to quickly discontinue Testosterone use before a competition or for those who prefer shorter cycles. Full effects are noticeable within days rather than weeks.
Dose
This product is dosed at 100mg/ml × 10ml. It is typically used in performance cycles at 200 to 500mg per week, split into frequent injections. Beginners may find the injection frequency inconvenient, but advanced users often prefer it for its fast action and flexibility.
Advice From BTW
- Inject frequently
Daily or every-other-day injections are the best way to keep levels stable.
- Expect some PIP
Short esters like Propionate can cause more post-injection pain; inject slowly and rotate sites to minimize discomfort.
- Great for cutting
The fast clearance and reduced water retention compared to long esters make Test P a common choice for cutting cycles.
- Use when flexibility is needed
If you want to stop quickly before a competition or bloodwork, Test P clears faster than Enanthate or Cypionate.
- Plan support
Even though cycles are shorter, you still need bloodwork, AI management if needed, and recovery support afterward.
FAQs
- Why do people choose Test Prop over Test E or C?
It provides faster results, clears quickly, and causes less water retention, making it a favorite for cutting or short cycles.
- How often should I inject Test P?
Every day or every other day. Less frequent injections will cause unstable hormone levels and mood swings.
- Does Test Prop cause more pain than other esters?
Yes, many users report more post-injection pain due to the short ester. Slow injections and site rotation help reduce this.
- Is Test Prop suitable for beginners?
It can be, but the frequent injections make it less convenient. Beginners usually start with longer esters like Test E or Test C.
- How quickly does Test Prop work?
Effects such as strength, energy, and libido changes are often noticeable within a few days of starting.
Protection code:

How it works:
BTW Labs prioritizes consumer well-being and continually develops various protective measures for its products, ensuring both patient safety and trust in the verification of our products.
Why Choose Us?
How it works:
We take pride in providing products that meet the highest standards of quality and consistency. Every batch is third-party tested to ensure accurate dosing and purity, so you know exactly what you are putting into your body. Our packaging is designed for both safety and discretion, and our customer support team is always available to provide guidance. Whether you are a beginner or an advanced athlete, choosing us means choosing reliability, trust, and a partner who values your performance and well-being.