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Seminal plasma proteins, such as these peptides, exert a direct effect on sperm physiology and sustain a fertile microenvironment

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There are no documented serious adverse effects from taking excess vitamin B12

Its pharmacologic activity is destroyed by heavy metals (iron) and strong oxidizing or reducing agents (vitamin C), but not by autoclaving for short periods of time (15-20 minutes) at 121C

Sperm retrieved from the testes have been found to have less DNA fragmentation than sperm from ejaculate and may result in better intracytoplasmic sperm injection outcomes for men with high levels of sperm DNA fragmentation