Testosterone Cypionate China 99% Purity Powder

Testosterone Cypionate Product Introduction

Pure Steroid Powder | Testosterone Cypionate Muscle-Building Supplement Ingredient

CAS No .: 58-20-8

EINECS number : 200-370-9

Molecular formula : C₂₇H₄₀O₃

Molecular weight : 412.61

Melting point : 98°C-102°C

Appearance : White or off-white crystalline powder

Testosterone Cypionate Usage​

Testosterone cypionate is a long-acting testosterone ester widely used for muscle building, strength training, and hormone replacement therapy (TRT) . Its steady-release properties make it an ideal choice for fitness enthusiasts and clinical treatments .

✅ ​Muscle building and strength improvement :

Promotes protein synthesis and significantly increases lean body mass (5-10kg/12-week cycle) .

Improves creatine phosphate reserves , enhancing explosive power and maximum strength.

TRT ) :

Long-acting release (half-life 8-10 days), reducing the frequency of injections (1-2 times per week).

Maintain stable blood testosterone levels and improve sexual function, mood and physical energy .

✅ ​Competitive Sports Apps ​:

It is often used for off-season muscle gain , but due to its estrogen conversion properties, it must be combined with anti-estrogen drugs.

Testosterone Cypionate Properties

Long-acting sustained-release :

Cypionate gives it a long half-life of 8-10 days , making it suitable for 1-2 injections per week.

The blood drug concentration is stable, avoiding the inconvenience caused by frequent injections.

Estrogen conversion :

It is converted into estrogen through aromatase, which may cause water retention and gynecomastia , and requires combination with anti-estrogen drugs (such as anastrozole).

Androgenic activity :

The androgenic effect is significant and may cause acne and hair loss (in genetically sensitive individuals) .

Convenience of injection :

The usual concentration is 200-250 mg/mL , administered deep intramuscularly (gluteal/quadriceps).

Testosterone Cypionate Applications

Bulking Cycle :

Recommended dose : 400-600 mg/week with Deca-Durabolin or Boldenone.

Results : Slow but lasting muscle growth, preventing water retention .

Powerlifting Peaking :

8 weeks before competition : 500mg/week + Anavar to significantly increase maximal strength .

Hormone replacement therapy (TRT) :

Medical dosage : 100-200 mg/week to maintain physiological testosterone levels.

Testosterone Cypionate Precautions​

• Estrogen side effects : High doses may cause edema and increased blood pressure , and require combination with AI (such as anastrozole).
• Effects on blood lipids : May lower HDL (good cholesterol), requiring fish oil and cardiovascular support supplements.

Why choose testosterone cypionate?

• Stable blood drug concentration , reduced injection frequency, suitable for long-term use.
• The muscle-building effect is significant , especially suitable for off-season muscle building.
• Can be used for both medical and fitness purposes , and can be applied in both TRT and muscle-building cycles.

• Quality Assurance :

GMP -compliant production , with each batch tested by HPLC for purity (≥99%) .

Third-party laboratory report (COA) is provided with the goods to ensure safety and reliability.

• Global delivery: original sealed packaging , privacy delivery, support for multiple logistics methods.

Conclusion

Testosterone cypionate is one of the safest and longest-acting testosterone esters , combining muscle building, strength enhancement, and medical applications. It is particularly suitable for fitness enthusiasts and TRT patients seeking progressive muscle growth .

Need a specific cycle plan ?

We provide professional medication guidance to help you maximize benefits and reduce risks!

Ounice Raw Source Quality Assurance

At Ounice Raw Source, we uphold the highest standards of quality and purity for every product we supply. Our commitment to excellence ensures you receive only premium raw materials that have been rigorously tested and verified for optimal performance.

• GMP-compliant production process – Our production process strictly follows Good Manufacturing Practice (GMP) to ensure consistency and reliability at every stage.
• Rigorous Testing Protocol – Each batch of product undergoes multiple stages of quality control before shipment, including HPLC purity testing to ensure it meets our 99%+ purity standard.
• Trusted Global Suppliers – We source raw materials only from certified, reputable manufacturers with an excellent track record.
• Batch-Specific Lab Reports – Every product comes with third-party lab verification, so you can trust the authenticity and potency of every order.

At Ounice Raw Source, quality isn't just a promise, it's a guarantee. Whether for research, drug development, or professional use, we deliver unmatched purity and performance.

Your trust is our top priority !

Ounice Raw Source Shipping and Delivery

【Ounice Raw Source】is committed to providing fast, reliable and discreet global delivery services to ensure your orders are delivered safely and on time.

✅ WORLDWIDE SHIPPING - We ship to most countries and offer a variety of shipping options to suit your needs.

✅ FAST AND SECURE DELIVERY - Orders are processed quickly and shipped in discreet, unmarked packaging to protect your privacy and safety.

✅ Real-time Tracking – You will receive a tracking number so you can monitor your order throughout the entire process.

✅ CUSTOMS COMPLIANT – All shipments are professionally handled to minimize delays and ensure smooth delivery.

Global delivery time: 5 - 15 days fast delivery!

If you need anything, please contact Allen

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