Trenbolone, Dihydrotestosterone, and Testosterone are the three key steroids included in U4 the Ultimate Pre-workout blend. It has no side effects linked to estrogen and is suitable for both bulking and cutting. It promotes the growth of muscle mass. Both men and women can use this blend for powerlifting. Professionals should consume 1-1.5 ml before working out, while fewer dosages of 0.5 ml are recommended to develop tolerance.
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