nac cysteine glutathione N-Acetyl-L-Cysteine 120 Tabs NAC (N-Acetyl-Cysteine) glutathione liposomal ,

Research shows B12 helps sperm in several ways: It improved sperm motility by about 50% after eight weeks of methylcobalamin treatment (1500 g/day) [17] Sperm DNA showed 22.1% less fragmentation after taking multivitamins with B12 [17] Sperm survived better during freezing when scientists added 2 mg/ml vitamin B12 to the storage medium [18] B12 supports male reproductive function in multiple ways, including reducing oxidative stress in seminal fluid

Its actually typically made by the cells in a placenta, so its pretty special to pregnancy

PLoS ONE 8, e80298

Most users notice improved brightness and smoothness after three treatments