One placebo-controlled, double-blind, cross-over trial in 86 subjects with fertility issues found that supplementation with L-carnitine (2 g/day) for two months improved sperm quality, as evidenced by increases in sperm concentration and motility (111)
Just 24.99 with fast delivery
Because some people are asymptomatic or their symptoms can be similar to other nutritional deficiencies, a B12 deficiency may be hard to detect
Dosing is individualized, but a typical protocol titrates from a starting dose up to a target dose over 2 to 4 weeks, injected 5 days on and 2 days off, in defined cycles with scheduled breaks between them
Uses: The medicine enhances sperm count, motility, maturation, and function
doi: 10.1002/ana.21180 118 MeguidNIsmailSRAnwarMHashishASemenovaYAbdallaEet al