 Side effects of trenbolone acetate include symptoms of masculinization like acne, increased hair growth, voice changes, and increased sexual desire.The drug is a synthetic androgen and anabolic steroid and hence is an agonist of the androgen receptor (AR), the biological target of androgens like testosterone and dihydrotestosterone (DHT).It has strong anabolic effects and highly androgenic effects, as well as potent progestogenic effects, and weak glucocorticoid effects.