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Syn Pharma Aquasyn
1 × $110.00
Testosterone Propionate
$80.00
Testosterone Propionate is a fast-acting injectable testosterone ester known for rapid strength gains, increased libido, and lean muscle development. Ideal for short cycles or as a kickstarter.
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Usage: Men 50–100 mg every other day
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Cycle Duration: 6–10 weeks for optimal results
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Aromatization: Yes – use Aromasin 12.5–25 mg EOD
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Post Cycle Therapy: Clomid 50–100 mg for 2–4 weeks
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Stack With: Trenbolone Acetate, Masteron, Winstrol, Anavar
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What is Synoprop 100 (Testosterone Propionate) by SYN Pharma?
Synoprop 100 is SYN Pharma’s fast-acting injectable formulation of Testosterone Propionate — a short-ester testosterone known for its quick onset of action, making it a favorite among bodybuilders, strength athletes, and those running shorter or front-loaded cycles. Unlike longer esters like Enanthate or Cypionate, Propionate enters the bloodstream rapidly and begins delivering anabolic benefits within days of the first injection.
Each 10 ml vial contains 100 mg/ml of Testosterone Propionate, offering stable, clean hormonal support with less water retention. It is ideal for those looking to maintain lean mass, boost libido, or kickstart a longer ester cycle.
Benefits of Testosterone Propionate
- Fast-acting testosterone release with visible results in days
- Promotes lean muscle growth and rapid strength gains
- Enhances mood, libido, and energy
- Minimal water retention when paired with a clean diet
- Can be used solo or stacked in cutting or lean bulking protocols
Product Details
- Compound: Testosterone Propionate
- Concentration: 100 mg/ml
- Volume: 10 ml per vial
- Total Content: 1000 mg per bottle
- Injection Frequency: Every day or every other day (EOD)
Dosage and Administration
Common dosages range from 300–500 mg per week, split into EOD injections (e.g., Monday, Wednesday, Friday, Sunday). Due to its short half-life of approximately 2–3 days, stable blood levels require frequent injections. Typical cycle duration is 6 to 10 weeks, although it is also used as a front-loading compound in longer testosterone protocols.
8-Week Testosterone Propionate Cycle Example
| Week | Test Prop (mg/week) | Aromasin (mg/EOD) | Optional Stack | Support |
| 1–2 | 300 | 12.5 | Anavar 40–50 mg/day | NAC, Omega-3, Vitamin D3 |
| 3–6 | 400 | 12.5–25 | Trenbolone Acetate or Masteron | Cabergoline (if stacking Tren) |
| 7–8 | 300 | 12.5 | Taper or finish solo | Prepare for PCT |
Common Questions About Synoprop 100
How quickly does Testosterone Propionate work?
Users typically report increased libido, strength, and energy within 3–5 days. Muscle gains and leaner appearance can become noticeable after the second week.
Does it aromatize?
Yes. Like all testosterone esters, Propionate can convert to estrogen. Use of an aromatase inhibitor (Aromasin or Arimidex) is recommended to manage estrogen-related side effects.
Is PCT required after a Test Prop cycle?
Yes. Clomid or Nolvadex-based post-cycle therapy should begin 3–5 days after your last injection. A common protocol is Clomid 50/50/25/25 over four weeks.
Can I use Test Prop with other compounds?
Absolutely. Testosterone Propionate stacks well with short-ester compounds like Tren A, Masteron, or Winstrol for cutting cycles or with orals like Dbol or Anavar for lean bulking.
3 reviews for Testosterone Propionate
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Igor (verified owner) –
Igor February 12 2019.
delivery fast,strong prop,Syn Pharma the best.
Dbol Dan –
Smooth as butter. Syn can’t be beat
gimlid2002 (verified owner) –
Best Test P I’ve ever tried. Problem with shipping on 2nd order was handled with full professionalism and much grace. Im ordering more as we speak.