Methyltestosterone – Product Information 

Methyltestosterone is an orally active synthetic androgen derived from testosterone. It was developed in the 1930s and has been used medically for specific androgen-related conditions. It belongs to the class of androgens and anabolic steroids and is available in oral formulations.

Because methyltestosterone is a 17α-alkylated androgen, its use requires particular medical consideration, especially because of potential effects on the liver, cardiovascular system, reproductive hormones, and lipid profile.

Alternative Names

• 17α-Methyltestosterone
• 17α-Methylandrost-4-en-17β-ol-3-one
• RU-24400
• NSC-9701

Classification

Drug Class: Androgen / Anabolic Steroid
Administration: Oral; some formulations may be administered buccally or sublingually
Bioavailability: Approximately 70%
Elimination Half-Life: Approximately 1.5–2.5 hours

Medical Uses

Methyltestosterone has historically been used under medical supervision for selected androgen-related conditions. Depending on the formulation and country-specific approval, testosterone derivatives may be prescribed for conditions involving androgen deficiency and certain other medical indications.

Its clinical use should be determined by a qualified healthcare professional after considering the patient's medical history, age, laboratory results, and other medications.

Pharmacological Characteristics

As an androgen, methyltestosterone interacts with androgen receptors and can produce testosterone-like physiological effects. These effects may include changes in protein synthesis, muscle tissue, red blood cell production, and secondary sexual characteristics.

The response varies considerably between individuals, and medical treatment should be monitored rather than based on bodybuilding or performance-enhancement claims.

Potential Adverse Effects

Methyltestosterone can cause significant adverse effects, particularly when used without appropriate medical supervision.

Possible effects include:

• Acne and oily skin
• Changes in cholesterol levels
• Water retention
• Gynecomastia
• Suppression of natural testosterone production
• Changes in menstrual cycles
• Virilization in females
• Increased body or facial hair
• Enlargement of the clitoris
• Liver-related complications
• Changes in mood or behavior
• Cardiovascular risks

Women who develop signs of virilization should seek medical advice promptly, as some effects may become irreversible.

Liver and Cardiovascular Considerations

As an orally active 17α-alkylated androgen, methyltestosterone can place additional stress on the liver. Long-term or inappropriate use may also adversely affect cholesterol levels and cardiovascular risk factors.

Medical monitoring may therefore include liver-function tests, lipid measurements, blood pressure assessment, and other laboratory investigations when clinically appropriate.

Important Safety Information

Methyltestosterone is a potent hormonal medicine and should not be used solely for muscle building, athletic performance, or cosmetic purposes without appropriate medical supervision. The risks and benefits can vary substantially according to age, sex, medical history, dose, duration, and concurrent medications.

Do not self-medicate with methyltestosterone. Consult a qualified healthcare professional for appropriate indications, treatment decisions, monitoring, and legally approved sources.

What is methyltestosterone?

Methyltestosterone is a synthetic, orally active androgen related to testosterone and has been used medically for selected androgen-related conditions.

Is methyltestosterone an anabolic steroid?

Yes. It has both androgenic and anabolic activity and belongs to the anabolic-androgenic steroid class.

What are the main safety concerns?

Important concerns include liver toxicity, hormonal suppression, adverse lipid changes, cardiovascular effects, and androgenic or virilizing effects.

Can women use methyltestosterone?

Its use in women is highly specific and should only occur when medically indicated and prescribed by a qualified healthcare professional because androgenic effects can occur.

Does methyltestosterone require medical supervision?

Yes. Because of its hormonal and potentially serious adverse effects, appropriate medical evaluation and monitoring are important.