and ensuring adequate hydration
Chem Biodivers 16(5):e1900069 Deng C, Li T, Xie Y, Guo Y, Yang QY, Liang X, Deng CH, Liu GH (2019) Sperm DNA fragmentation index influences assisted reproductive technology outcome: a systematic review and meta-analysis combined with a retrospective cohort study
Factorial Approach Researchers have attempted to determine B12 needs by measuring daily B12 body losses, also known as the factorial approach
Cost comparison example: Standard protocol (12 months total): 12 months $1,000 = $12,000
But, whether or not to use them should depend on what each patient needs and what the doctor says