“Short Mix 150,” often sold as “Cut Mix 150,” is an illegal, black-market injectable anabolic-androgenic steroid (AAS) blend. The 150 in the name indicates the concentration of 150 milligrams per milliliter (mg/ml) of active steroids. It is not approved for human medical use by regulatory bodies like the U.S. Food and Drug Administration (FDA).
Composition
This potent blend is intended for “cutting” phases in bodybuilding, where users aim to reduce fat while retaining lean muscle mass. It typically contains three fast-acting steroids:
- Testosterone propionate (50 mg/ml): A short-acting testosterone ester that supports muscle growth and recovery.
- Trenbolone acetate (50 mg/ml): A powerful synthetic steroid originally developed for veterinary use, known for increasing muscle hardness and aiding fat loss.
- Drostanolone propionate (50 mg/ml): Also known as Masteron, this compound enhances muscular definition and density.
Serious health risks
Since “Short Mix 150” is produced in unregulated, illicit laboratories, its purity, sterility, and actual concentration are unknown. The combination of these powerful steroids can produce severe and unpredictable health risks.
- Cardiovascular damage: Potential for high blood pressure, elevated cholesterol levels, and increased risk of heart attack and stroke.
- Hormonal dysfunction: Can suppress the body’s natural testosterone production, leading to infertility, testicular shrinkage, and gynecomastia (male breast development).
- Severe mood changes: Known psychological side effects include aggression (“roid rage”), paranoia, anxiety, and depression.
- Androgenic effects: Use can cause severe acne, oily skin, and accelerated male-pattern hair loss in predisposed individuals.
- Liver and kidney damage: The potent steroid ingredients can lead to liver and kidney problems, especially with prolonged use.
- Risk of infection: Improperly sterilized injection equipment or contaminated products can lead to life-threatening infections.
- Irreversible effects for women: The strong androgenic properties can cause virilization, including a deepened voice and clitoral enlargement.
Legal status
Due to its composition of controlled substances, using or possessing “Short Mix 150” without a valid prescription is illegal in many countries. It is also banned by all major sports organizations





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