Package: 1 vial (100mg/ml 10ml)

Active Substance: Testosterone Propionate

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Testoxyl Propionate 100 from Kalpa Pharmaceuticals is an injectable anabolic steroid known for its potency and effectiveness in boosting testosterone levels. This drug is indicated for treating men with low testosterone levels, a condition known as hypogonadism. Symptoms of hypogonadism include fatigue, low libido, and reduced muscle mass. By restoring normal testosterone levels, Testoxyl Propionate 100 can help improve mood, energy, and overall physical performance. Additionally, bodybuilders and athletes often use this drug off-label to enhance muscle mass, strength, and endurance.


While Testoxyl Propionate 100 can offer significant benefits, it is not suitable for everyone. There are several contra-indications to consider:

  1. Pregnancy and Breastfeeding: Women who are pregnant or breastfeeding should not use Testoxyl Propionate 100 due to potential risks to the fetus or infant.
  2. Prostate Cancer: Men with prostate cancer should avoid this drug as it can stimulate the growth of cancer cells.
  3. Breast Cancer: Men with breast cancer should also avoid this medication for similar reasons.
  4. Severe Liver or Kidney Disease: Individuals with significant liver or kidney impairment should not use Testoxyl Propionate 100 as it may exacerbate these conditions.
  5. Cardiovascular Issues: Those with severe heart disease or hypertension should use caution, as this drug can worsen cardiovascular conditions.
  6. Allergic Reactions: Anyone who has had an allergic reaction to testosterone or any of its ingredients should avoid using Testoxyl Propionate 100.


Proper administration of Testoxyl Propionate 100 is crucial to achieve desired results while minimizing risks. Here are some guidelines:

  1. Dosage: The typical dosage for men ranges from 50 mg to 100 mg every other day. Starting with a lower dose is recommended to assess individual tolerance.
  2. Injection Site: This drug should be administered via intramuscular injection, preferably in large muscle groups such as the glutes or thighs.
  3. Frequency: Due to its short half-life, Testoxyl Propionate 100 is typically injected every other day to maintain stable blood levels.
  4. Cycle Length: Cycles usually last between 6 to 8 weeks. Prolonged use should be avoided to reduce the risk of adverse effects.
  5. Stacking: Testoxyl Propionate 100 can be stacked with other anabolic steroids to enhance muscle-building effects. However, this should be done under professional guidance to avoid complications.

Medical Action

Testoxyl Propionate 100 contains testosterone propionate, a short-acting ester that provides a rapid increase in testosterone levels. The medical action of this drug involves several key mechanisms:

  1. Protein Synthesis: Testosterone propionate enhances protein synthesis, promoting muscle growth and repair. This leads to increased muscle mass and strength.
  2. Nitrogen Retention: By improving nitrogen retention in muscles, this drug helps create an anabolic environment conducive to muscle growth.
  3. Red Blood Cell Production: Testosterone propionate stimulates the production of red blood cells, improving oxygen delivery to muscles and enhancing endurance.
  4. Inhibition of Catabolism: This drug helps prevent muscle breakdown by inhibiting catabolic processes, making it easier to maintain muscle mass during intense training.

The short half-life of testosterone propionate means that it acts quickly, providing almost immediate benefits in terms of strength and muscle gains. However, this also means that frequent injections are necessary to maintain stable levels of the hormone in the bloodstream.


Using Testoxyl Propionate 100 requires adherence to several precautions to ensure safe and effective use:

  1. Regular Monitoring: Regular blood tests to monitor liver function, cholesterol levels, and hormone levels are essential to avoid potential complications.
  2. Liver Health: Although testosterone propionate is less hepatotoxic than some oral steroids, users should still avoid alcohol and other substances that can strain the liver. Liver support supplements like milk thistle can be beneficial.
  3. Cholesterol Levels: This drug can negatively impact cholesterol levels, so maintaining a heart-healthy diet rich in omega-3 fatty acids is important.
  4. Prostate Health: Regular prostate exams are advised for men, particularly older individuals, to monitor for any potential prostate-related issues.
  5. Hydration: Staying well-hydrated is important to support overall health and minimize the risk of muscle cramps and kidney strain.
  6. Individual Response: Users should start with a lower dose to assess individual tolerance and response to the drug.

Side Effects

While Testoxyl Propionate 100 is effective for muscle growth and performance enhancement, it can cause side effects ranging from mild to severe:

Common Side Effects

  1. Acne: Increased androgen levels can lead to acne breakouts.
  2. Hair Loss: Men predisposed to male pattern baldness may experience accelerated hair loss.
  3. Mood Changes: Some users may experience mood swings, aggression, or irritability.
  4. Oily Skin: Androgenic effects can lead to increased oil production in the skin.
  5. Joint Pain: Some users report joint pain or discomfort.

Severe Side Effects

  1. Liver Toxicity: Prolonged use or high doses can lead to liver damage, including liver tumors or hepatitis.
  2. Cardiovascular Issues: Testoxyl Propionate 100 can negatively affect cholesterol levels, increasing the risk of cardiovascular diseases such as heart attacks or strokes.
  3. Suppression of Natural Testosterone: Long-term use can suppress natural testosterone production, leading to hormonal imbalances and requiring Post Cycle Therapy (PCT).
  4. Gynecomastia: Improper use can lead to the development of gynecomastia, which is the enlargement of male breast tissue.
  5. Hypertension: Increased blood pressure can occur, necessitating regular monitoring and management.


In the case of an overdose, immediate medical attention is necessary. Symptoms of Testoxyl Propionate 100 overdose may include:

  1. Severe Nausea and Vomiting: Excessive intake can cause severe gastrointestinal distress.
  2. Dizziness and Fainting: Overdosage can lead to extreme dizziness and potential fainting spells.
  3. Breathing Difficulties: Respiratory issues may arise in severe cases.
  4. Liver Damage: Overdose can exacerbate liver toxicity, leading to serious liver conditions.

Treatment for overdosage is supportive and symptomatic, focusing on stabilizing the patient and addressing specific symptoms. There is no specific antidote for Testoxyl Propionate 100 overdose.


Testoxyl Propionate 100 from Kalpa Pharmaceuticals is a powerful tool for those looking to enhance their muscle mass, strength, and overall physical performance. The rapid action of testosterone propionate provides quick results, making it a popular choice among bodybuilders and athletes. By promoting protein synthesis, nitrogen retention, and red blood cell production, Testoxyl Propionate 100 helps users achieve significant muscle gains and improved endurance.

However, the use of Testoxyl Propionate 100 requires careful consideration of its contra-indications, potential side effects, and necessary precautions. Proper administration, including dosage management and regular health monitoring, is crucial to maximizing its benefits and minimizing risks. Regular health check-ups, a balanced diet, and liver support supplements can help users safely harness the advantages of Testoxyl Propionate 100 while mitigating associated risks. By adhering to these guidelines, individuals can effectively use Testoxyl Propionate 100 to support their bodybuilding goals and maintain overall health and well-being.


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