15 Sperm count can also increase, along with sperm quality
Sakurabayashi, T., Miyazaki, S., Yuasa, Y., Sakai, S., Suzuki, M., Takahashi, S., and Hirasawa, Y
Figure 1 Figure 2 Figure 3 Figure 4 In the multivariable models, C3DC, C4 and C10:1 were positively associated with age among cases (Additional file 3)
But if someone has other symptoms such as fatigue, muscle weakness, and brain fog, or symptoms of low iron such as hair loss (low iron is associated with carnitine deficiency), I will often test for carnitine levels and suggest dietary adjustments or supplements
Other recent research from the Cleveland Clinic suggests that a molecule called dimethyl-1-butanol (DMB) can inhibit bacterial production of TMAO