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Vitamin B12 absorption is a complex process requiring adequate stomach acid, intrinsic factor (produced by gastric parietal cells), and proper function of the terminal ileum
4) Fertility and Sexual Function Men In a meta-analysis of nine clinical trials with over 800 infertile men, a combination of L-carnitine and acetyl-L-carnitine (ALCAR) significantly improved sperm mobility
& Lebovitz, H
Mirkovi I et al
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