Myagen
Active Substance: Myagen
Description
What is Myagen?
Myagen is a brand name for the anabolic-androgenic steroid (AAS) bolasterone. It is also known by the developmental code name U-19763 and the chemical name 7α,17α-dimethyltestosterone. Bolasterone is a 17$\alpha$-alkylated steroid, meaning it has been modified to be orally active. It was originally developed for veterinary use.
Side Effects and Benefits
Benefits:
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Anabolic effects: Like other AAS, Myagen is designed to promote muscle growth and increase protein synthesis.
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Androgenic effects: It also has androgenic properties, contributing to the development of male characteristics.
Side Effects:
Because it is a potent oral steroid, Myagen carries a significant risk of side effects, many of which are common to other AAS. These can include:
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Hepatotoxicity: One of the most serious risks with 17$\alpha$-alkylated steroids is liver damage.
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Cardiovascular Issues: AAS use can increase the risk of heart problems, including changes in cholesterol levels, high blood pressure, and left ventricular hypertrophy (enlargement of the heart muscle).
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Androgenic side effects: These are particularly pronounced in women and can include virilization (development of male features) like a deepened voice, excessive hair growth, and clitoral enlargement. In men, it can cause acne, male pattern baldness, and suppression of natural testosterone production.
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Estrogenic effects: Some AAS can be converted to estrogen, leading to side effects such as gynecomastia (enlarged breast tissue in men) and fluid retention.
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Other side effects: Other reported side effects include mood swings, depression, aggression, and in young boys, slowed or stopped growth.
Pros and Cons
Pros:
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Potent anabolic effects: It is known to be a powerful anabolic agent, which can lead to rapid gains in muscle mass and strength.
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Oral availability: As a 17$\alpha$-alkylated steroid, it can be taken orally, which is more convenient for some users than injections.
Cons:
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High risk of side effects: The potential for serious side effects, particularly liver damage, is a major drawback.
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Limited medical use: It is not widely used in human medicine and its use is typically confined to illicit purposes or veterinary applications.
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Poorly studied: There is limited modern clinical data on its use in humans, making it difficult to fully understand the risks and optimal dosing.
Dosage and Frequency
Information on human dosages is not standardized or medically endorsed. Illicit use dosages vary widely and are often based on anecdotal evidence, making them highly unsafe.
Half-Life and Detection Time
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Half-Life: The half-life of oral steroids can vary, but for many, it is relatively short, often a few hours. This means the drug is cleared from the body's system quickly.
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Detection Time: While the half-life is short, the metabolites of anabolic steroids can be detected in drug tests for a much longer period. For oral steroids, this can range from a few weeks up to several months, depending on the specific steroid, the dosage, and the testing method (e.g., urine, blood, or hair).
Sterogenic, Progestronic, and Prolactin Effects
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Sterogenic: Myagen is a steroid and has both anabolic and androgenic properties.
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Progestronic: Some AAS can have progestogenic activity, meaning they can activate progesterone receptors. This can lead to side effects similar to those caused by estrogen, such as gynecomastia, and can also increase the risk of other side effects. The specific progestogenic activity of bolasterone is not widely detailed in public-facing sources.
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Prolactin: Prolactin levels can be affected by the use of certain steroids, particularly those with progestogenic or estrogenic activity. High prolactin can cause various issues, including galactorrhea (unwanted breast milk production) and sexual dysfunction.
Anabolic-Androgenic Ratio
The anabolic-androgenic ratio is a measure used to compare a steroid's anabolic (muscle-building) effects to its androgenic (masculinizing) effects. Testosterone is the benchmark, with a ratio of 1:1.
According to a 1963 study, bolasterone (referred to as 7α,17α-dimethyltestosterone) was found to have an anabolic-androgenic ratio of approximately 3.2. This suggests it is significantly more anabolic than it is androgenic, though it still possesses notable androgenic properties.
Pharmacological Properties
Half Life
9.6 hours
Active Dose
100%
Detection
2.00 days
Concentration
10 mg/tab
Anabolic/Androgenic Profile
Usage Effectiveness
Activity Profile
Estrogenic
None
Progestanic
None
Water Retention
None
Aromatization
No
Benefits
Dosage Recommendations
Beginner
20-40 mg/week
Intermediate
40-60 mg/week
Advanced
60-100 mg/week
Evidence-based planning resources
Dive deeper into Myagen cycle design, stacking options, and harm-reduction checklists available inside Anabolic Planner.
- Myagen compound database overviewCompare Myagen with other steroid agents in the structured compound index.
- Myagen stack and cycle templatesReview evidence-based cycle outlines, dose progressions, and PCT pairings that incorporate Myagen.
- Harm-reduction guide for MyagenRefresh safety monitoring, lab work, and countermeasure strategies tailored for Myagen protocols.
Peer-reviewed reference material
Validate mechanisms, contraindications, and regulatory guidance for Myagen with trusted clinical databases.
- Myagen clinical research on PubMedSearch peer-reviewed human and veterinary studies discussing efficacy, endocrine impact, and contraindications.
- Myagen pharmacology via Drug Information PortalReview mechanisms, synonyms, regulatory status, and toxicology summaries from the U.S. National Library of Medicine.
Side Effects
Common
Severe
Safety Information
Liver Toxicity
Moderate
Kidney Toxicity
Low
Cardiovascular Risk
Moderate
Disclaimer: This information is for educational purposes only. Always consult with a qualified healthcare professional before using any compounds.