AUCTUS Sustan 350mg CAS：68476-34-6

**AUCTUS Sustanon 350 Oil** is a synthetic testosterone blend that is used primarily for medical treatment and to enhance athletic performance. Sustanon 350 contains four different esterified forms of testosterone, and the combination of these esters gives it a dual effect of rapid and long-lasting effects. The following is a detailed introduction:

### **Composition and physicochemical properties**

**Sustanon 350** is usually an oily injection containing a mixture of the following four esterified testosterones, totaling 350 mg per ml:

1. **Testosterone Propionate**: 60mg

- Rapid release, short duration of action.

2. **Testosterone Phenylpropionate**: 90mg

- Medium release rate.

3. **Testosterone Isocaproate**: 90mg

- Medium to long-term release.

4. **Testosterone Decanoate**: 100mg

- Long-acting release, longest metabolism time.

**Appearance**: Transparent to light yellow oily liquid.

**Solvent**: Usually dissolved in benzyl alcohol (antibacterial agent) and vegetable oil (such as sesame oil or cottonseed oil).

**Molecular formula**: Based on testosterone (C19H28O2), the molecular weight of different esters will vary depending on the ester chain.

**Stability**: Stable under light-proof and room temperature storage conditions.

### **Pharmacological action**

Sustanon 350 is designed to achieve sustained release of testosterone and maintain stable testosterone levels in the blood through the decomposition rate of different esters.

- **Testosterone effects**:

1. Promote protein synthesis and nitrogen retention, enhance muscle growth.

2. Increase red blood cell production, improve endurance and physical strength.

3. Promote bone density increase.

4. Maintain male secondary sexual characteristics (such as body hair, voice, etc.).

- **Half-life**:

- The half-life of each ester is different. Propionate is about 2 days, phenylpropionate is about 4-5 days, isocaproate is about 9 days, and decanoate is about 15 days.

- After a single injection, the drug effect can last for about 2-3 weeks.

### **Dosage and cycle**

**1. Medical use**

- Commonly used to treat male testosterone deficiency (low testosterone), such as late-onset hypogonadism or delayed sexual development.

- **Dosage**: Usually injected once every 2-3 weeks, the dose is 250-350mg.

**2. Non-medical use (bodybuilding, sports)**

- Used to promote muscle growth and increase strength, Sustanon 350 is often abused for bodybuilding and strength training.

- **Dosage**: 250-750mg per week, divided into 2 injections to maintain a stable blood concentration.

- **Cycle**: Common use cycles are 8-12 weeks, and some users will stack with other steroids such as **Winstrol** or **Dianabol**.

### **Side Effects**

**Short-term Side Effects**:

1. **Estrogen-related Side Effects**:

- Testosterone is converted to estradiol, which may cause male breast development (Gynecomastia), edema and fat accumulation.

- May require the use of **aromatase inhibitors** (such as Anastrozole).

2. **Androgen-related Side Effects**:

- Oily skin, acne and hair loss (genetically sensitive people).

3. **Blood-related**:

- Increased red blood cell production may increase blood viscosity and increase the risk of thrombosis.

**Long-term Side Effects**:

1. **Endocrine Suppression**:

- Exogenous testosterone inhibits the body's natural production of testosterone, which may cause testicular atrophy.

- **Post-cycle therapy (PCT)** is required after discontinuation of the drug, usually using HCG or clomiphene.

2. **Cardiovascular risks**:

- Increases low-density lipoprotein (LDL), decreases high-density lipoprotein (HDL), and increases the risk of heart disease.

3. **Hepatotoxicity**:

- Although injectable testosterone has little effect on the liver, abuse or combined use with other hepatotoxic drugs may increase the risk of liver damage.

### **Precautions**

1. **Contraindications**:

- Patients with prostate cancer or breast cancer.

- Patients with severe heart disease, liver disease or kidney disease.

2. **Drug interactions**:

- Combination with anticoagulants may increase the risk of bleeding.

- Combination with insulin or diabetes medications requires dose adjustment.

### **Post-use recovery (PCT)**

The long-acting properties of Sustanon 350 may inhibit the production of endogenous testosterone, so post-cycle therapy (PCT) is recommended after discontinuation of the drug:

1. **HCG**: Injection to stimulate testicular recovery function.

2. **Clomiphene or tamoxifen**: Help restore the pituitary-testicular axis.

### **Summary**

Sustanon 350 Oil is a potent testosterone blend designed to provide rapid and prolonged testosterone release. It has clear indications in medical treatment, but misuse in non-medical settings may bring serious side effects and health risks. Use with caution and under the guidance of a professional.

### AUCTUS Sustan 350 Oil Introduction

AUCTUS Sustan 350 Oil is a compound drug that is commonly used to improve men's health, especially for patients with low testosterone levels. Its main ingredient is a mixture of several testosterones, commonly including:

1. **Testosterone Propionate**

2. **Testosterone Phenylpropionate**

3. **Testosterone Isocaproate**

4. **Testosterone Decanoate**

This mixture provides testosterone with different release rates to maintain stable serum testosterone levels.

### Applicable population

1. **Patients with low testosterone**: Suitable for men with testosterone levels below the normal range (such as sexual dysfunction, decreased energy, depression, etc.).

2. **Fitness enthusiasts or athletes** (only for medical advice): sometimes used to help improve strength, endurance and muscle growth, but caution should be exercised to avoid abuse and side effects.

3. **Treatment of certain diseases**: including hypogonadism, osteoporosis, etc.

### How it works

1. **Hormone supplementation**: Sustan 350 restores hormone balance in the body by supplementing exogenous testosterone and relieves symptoms of low testosterone.

2. **Anabolic enhancement**: Testosterone can promote protein synthesis and accelerate muscle tissue repair and growth.

3. **Improvement of mood and energy**: Normalization of testosterone levels helps improve mental state and physical performance.

### Dosage

#### **Dosage recommendations**

- Generally speaking, Sustan 350 Oil needs to be dosed individually based on personal health, age and testosterone levels. Common doses are **250-500 mg per week**.

- For patients with low testosterone: usually injected every 2-3 weeks, the specific dose is determined by the doctor.

- For fitness purposes (non-medical use): users often choose to inject once a week to maintain a stable concentration, but this use may cause health risks.

#### **How ​​to use**

- **Injection route**: usually deep muscle injection (such as buttocks muscle) is used.

- **Medication cycle**: The course of treatment can last 6-12 weeks, depending on the doctor's advice or the purpose of use.

#### **Precautions**

1. The injection must be performed by a professional doctor or nurse to ensure aseptic operation.

2. Avoid increasing the dose or extending the course of treatment at will to avoid side effects.

### Potential side effects

1. **Common reactions**: pain at the injection site, increased skin oil, acne, mood swings.

2. **Serious reactions**: androgen dependence symptoms (such as hair loss, prostate hypertrophy), cardiovascular problems (high blood pressure, increased cholesterol), liver damage.

3. **Female users** (prohibited or extremely cautious): may cause masculine symptoms such as low voice, hirsutism, and menstrual disorders.

### Usage reminder

- **Doctor's prescription required**: Do not purchase and use without authorization to avoid illegal and health risks.

- **Regular check-up**: Serum testosterone level, liver function and cardiovascular health status should be monitored during use.

- **Contraindicated groups**: Patients with breast cancer, prostate cancer, and severe liver and kidney diseases are prohibited from using this product.

AUCTUS brand Sustan 350 Oil is an injectable product containing a variety of mixed testosterone esters, which is usually used to promote male hormone balance or in some special cases to enhance physical fitness and muscle development. The following are its main benefits and related details:

### **1. Hormone balance and support:**

- **Restore testosterone levels:** Sustan 350 Oil contains a variety of testosterone esters (such as testosterone propionate, testosterone enanthate, etc.), which can effectively increase testosterone levels in the blood and help men restore hormone balance.

- **Improve male menopausal symptoms:** For middle-aged or elderly men with low testosterone, using this product can relieve symptoms such as fatigue, depression, and loss of libido.

- **Support secondary sexual characteristics:** Helps maintain male characteristics such as deep voice, body hair growth and muscle distribution.

### **2. Enhance physical fitness and muscle development:**

- **Promote muscle growth:** Contains a variety of testosterone esters, which can provide a long-lasting and stable release of testosterone, helping to promote protein synthesis and muscle growth.

- **Increase strength and endurance:** Increases hemoglobin levels and oxygen delivery capacity, helps to enhance the body's strength and endurance, and is suitable for auxiliary support for high-intensity training.

- **Reduce muscle breakdown:** Inhibits cortisol levels, reduces muscle breakdown, and helps maintain existing muscle mass.

### **3. Improve metabolism and fat burning effect:**

- **Promote fat metabolism:** After using Sustan 350 Oil, the metabolic rate may increase, thereby burning body fat more effectively and helping to shape a better body line.

- **Improve energy levels:** Increased testosterone levels are often accompanied by higher energy levels, helping users cope with daily life or high-intensity training.

### **4. Improve mental health and mood:**

- **Increase confidence and emotional stability:** Healthy testosterone levels can significantly improve mood and reduce anxiety and depression.

- **Enhance concentration and motivation:** After use, many users report significant improvements in mental focus and motivation, especially more motivation in work and exercise.

### **5. Long-lasting and stable hormone release:**

- **Synergistic effect of multiple esters:** Sustan 350 Oil achieves the superposition effect of different release times through the combination of multiple testosterone esters (short-acting, medium-acting and long-acting), which not only makes it take effect quickly, but also maintains a stable blood concentration for a long time.

- **Reduce injection frequency:** Compared with short-acting testosterone preparations, Sustan 350 Oil has a lower injection frequency and is more convenient for users to manage daily.

### **6. Potential benefits to other aspects of health:**

- **Increase bone density:** Testosterone can promote bone health and reduce the risk of osteoporosis.

- **Improve sexual function:** In terms of decreased libido or erectile dysfunction, Sustan 350 Oil may help restore normal function.

- **Improve immunity:** The metabolic effect of testosterone may have a certain positive effect on the immune system.

### **7. Personalized customization and flexible use:**

- **Suitable for a variety of needs:** Whether it is used for therapeutic purposes (such as hormone replacement therapy) or to optimize physical fitness and muscle development, Sustan 350 Oil can be flexibly adjusted in dosage according to doctor's orders.

- **Better with other therapies:** It can be used in combination with other muscle-building or therapeutic drugs to form a synergistic effect.

### **Precautions for use:**

- **Strictly follow doctor's orders:** Sustan 350 Oil is a prescription drug and must be used under the guidance of a doctor.

- **Regular testing:** During use, hormone levels, liver and kidney function, and blood indicators need to be monitored to ensure safety.

- **Avoid abuse:** Long-term or excessive use may cause side effects such as edema, hair loss, or androgen-dependent side effects.

### **Summary:**

AUCTUS Sustan 350 Oil is an efficient and stable testosterone supplement product that not only regulates hormone levels, but also has many benefits for physical fitness, mood, metabolism, and muscle development. However, professional medical consultation is required before use to ensure safety and effectiveness.

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