Pregnyl HCG 10000 is a pharmaceutical-characterized Human Chorionic Gonadotropin preparation studied in reproductive endocrinology and hormonal biology research. At 10,000 IU, this high-potency preparation is used in preclinical research requiring strong LH-mimetic stimulation for investigations of testosterone biosynthesis, follicular development, corpus luteum support, and gonadal axis regulation. PeptideBull supplies Pregnyl HCG 10000 at research-grade purity for authorized laboratory research. Not intended for human fertility treatment, therapeutic prescription, or self-administration.