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Boldenone Cypionate
Chemical Properties:
- Chemical Name: 17β-Hydroxyandrosta-1,4-dien-3-one cypionate
- CAS Number: 106505-90-2
- Molecular Formula: C26H38O3
- Molecular Weight: 398.58 g/mol
- Half-life: The half-life of Boldenone Cypionate is approximately 12 days when administered intramuscularly.
Physical Properties:
- Appearance: White or off-white crystalline powder
- Melting Point: Approximately 93-96°C
- Solubility: Soluble in organic solvents such as ethanol, methanol, and chloroform; insoluble in water
- Odor: Odorless
What is Boldenone Cypionate Powder
Boldenone Cypionate powder is a synthetic anabolic-androgenic steroid (AAS) derived from testosterone. It is widely used in veterinary medicine to promote animal muscle growth and appetite. Boldenone Cypionate is valued for significantly enhancing muscle mass and strength in human bodybuilding.
This steroid appears as a white or off-white crystalline powder, which is stable under normal conditions but should be stored away from light and moisture to prevent degradation. It is soluble in organic solvents like ethanol, methanol, and chloroform but insoluble in water. When administered intramuscularly, Boldenone Cypionate has a half-life of approximately 12 days, providing sustained release and activity.
The primary benefits of Boldenone Cypionate in bodybuilding include increased muscle mass, enhanced strength, and improved appetite. It promotes nitrogen retention and protein synthesis, which is crucial for muscle growth. It also stimulates erythropoiesis, enhances red blood cell production, improves oxygen delivery to muscles, and boosts endurance and performance.
However, like other anabolic steroids, Boldenone Cypionate carries potential side effects. These include androgenic effects such as acne, hair loss, and increased body hair growth. It can also negatively impact cholesterol levels, raising cardiovascular risk. Furthermore, it suppresses natural testosterone production, necessitating post-cycle therapy (PCT) to restore hormonal balance. Users may also experience mood swings, anxiety, and changes in libido.

Boldenone Cypionate Powder Certificate of Analysis
| Product Name |
Boldenone Cypionate |
| Batch No. |
BC20240715 |
Mfg. Date |
2024.7.15 |
| Analysis date |
2024.7.15 |
Exp Date |
2027.7.14 |
| Packing |
1kg/foil bag |
Quantity |
300kg |
| Ref. Standard |
The Enterprise Standard (Refer to USP36 Standard) |
| Test |
Specification |
Results of Analysis |
| Description |
The white or almost white crystalline powder |
conform |
| Assay |
98%min |
99.31% |
| Loss on drying |
0.5%max |
0.28% |
| Melting point |
100℃ ~ 105℃ |
101.5℃~104.5℃ |
| Any individual impurity |
1.0%x |
<1.0% |
| Conclusion |
The specification conforms with enterprise standard |
| Q.C.Dept. Director: Zhang Hua |
Checker: Wu Ming |
Identifier: Han Zhen |
Boldenone Cypionate Bodybuilding
① Benefits and Uses:
- Muscle Growth and Strength: Boldenone Cypionate powder significantly boosts muscle mass and strength by promoting muscle nitrogen retention and protein synthesis. This makes it an effective agent for athletes and bodybuilders looking to enhance their physique and performance.
- Increased Appetite: One of the notable effects of Boldenone Cypionate is its ability to stimulate appetite. This is particularly beneficial during bulking cycles when an increased caloric intake is necessary to support muscle growth.
- Improved Endurance: Boldenone Cypionate improves muscle oxygen delivery by enhancing erythropoiesis, or red blood cell production. This enhances endurance and performance during intense workouts and training sessions.
② Administration and Dosage:
Boldenone Cypionate is typically administered via intramuscular injection. Common dosages for bodybuilding purposes range from 200 to 600 mg per week, depending on the user’s experience and specific goals. The injections are usually given once or twice a week due to the compound’s long half-life of approximately 12 days.
Boldenone Cypionate Cycle
Here’s an overview of how a typical Boldenone Cypionate powder cycle might be structured, including recommended dosages and potential benefits and risks.
① Boldenone Cypionate Typical Cycle Duration:
- Cycle Length: 10 to 12 weeks is common for Boldenone Cypionate cycles.
② Boldenone Cypionate Dosages:
- Beginners: 200-300 mg per week
- Intermediate Users: 300-500 mg per week
- Advanced Users: 600-800 mg per week
③ Boldenone Cypionate Administration:
- Boldenone Cypionate is administered via intramuscular injection, typically once or twice a week, due to its long half-life of approximately 12 days.
④ Boldenone Cypionate Stacking:
⑤ Boldenone Cypionate Example Cycle:
Intermediate Cycle (12 Weeks):
Boldenone Cypionate Side Effects
① Androgenic and Hormonal Side Effects
One of the primary concerns with Boldenone Cypionate powder is its androgenic effects. Users may experience increased acne, accelerated hair loss (especially in those predisposed to male pattern baldness), and heightened body and facial hair growth. Additionally, this steroid can suppress natural testosterone production, leading to hormonal imbalances that necessitate post-cycle therapy (PCT) to restore normal hormone levels.
② Cardiovascular and Psychological Effects
Boldenone Cypionate can also impact cardiovascular health by altering cholesterol levels—reducing HDL (good cholesterol) and increasing LDL (bad cholesterol). This imbalance raises the risk of cardiovascular diseases. Furthermore, users might experience elevated blood pressure, which can lead to hypertension if not properly managed. On the psychological front, the steroid can cause mood swings, increased irritability, and even anxiety and depression, commonly referred to as “roid rage.”
③ Liver Stress and Miscellaneous Effects
Although Boldenone is less hepatotoxic compared to many oral steroids, prolonged use or high doses can still strain the liver. Users should monitor liver function regularly to prevent serious complications. Other side effects include a significant increase in appetite, which, while beneficial for bulking, can be excessive for some users. Pain and irritation at the injection site are also common.
④ Managing Side Effects
To mitigate these risks, users should adhere to several precautionary measures. Regular blood tests can help monitor cholesterol levels, liver function, and hormone levels. A healthy diet rich in omega-3 fatty acids and low in saturated fats can help manage cholesterol. Post-cycle therapy (PCT) with medications like Clomid or Nolvadex is essential to restore natural testosterone production. Staying hydrated and using liver support supplements like milk thistle can also support liver health.
Boldenone Cypionate vs EQ
Boldenone is a synthetic anabolic-androgenic steroid (AAS) that comes in different esterified forms, primarily Boldenone Cypionate powder and Boldenone Undecylenate (commonly known as Equipoise or EQ). While both forms enhance muscle mass and strength, they have distinct properties that influence their use and effects.
Here’s a table summarizing the key differences and similarities between Boldenone Cypionate and Boldenone Undecylenate (Equipoise – EQ):
| Characteristic |
Boldenone Cypionate |
Boldenone Undecylenate (Equipoise) |
| Chemical Name |
17β-Hydroxyandrosta-1,4-dien-3-one cypionate |
17β-Hydroxyandrosta-1,4-dien-3-one undecylenate |
| CAS Number |
106505-90-2 |
13103-34-9 |
| Molecular Formula |
C26H38O3 |
C30H44O3 |
| Molecular Weight |
398.58 g/mol |
452.67 g/mol |
| Half-Life |
Approximately 12 days |
Approximately 14-16 days |
| Administration |
Typically injected once or twice a week |
Often injected once a week |
| Cycle Length |
10-12 weeks |
12-16 weeks |
| Dosage (per week) |
200-800 mg |
300-600 mg |
| Muscle Growth and Strength |
Promotes significant increases |
Promotes significant increases |
| Endurance |
Enhances red blood cell production |
Enhances red blood cell production |
| Appetite |
Increases appetite |
Increases appetite |
| Androgenic Effects |
Acne, hair loss, increased body hair growth |
Acne, hair loss, increased body hair growth |
| Cardiovascular Issues |
Cholesterol imbalance, increased blood pressure |
Cholesterol imbalance, increased blood pressure |
| Hormonal Imbalance |
Suppresses natural testosterone production |
Suppresses natural testosterone production |
| Liver Stress |
Less hepatotoxic than many oral steroids |
Less hepatotoxic than many oral steroids |
| Specific Considerations |
Quicker buildup in the bloodstream |
Longer-lasting effects, suitable for long cycles |
Ordering and Shipping Information
We offer secure and discreet shipping options to ensure that your Boldenone Cypionate Powder arrives safely and in optimal condition. Our packaging is designed to protect the product during transit, and we provide tracking information for all orders.
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