l carnitine makes you poop L-Carnitine in Mitochondria L-Carnitine Side Effects & Safety:

Rated 4 out of 5 Responsive and organized

Though the exact onset of these effects will vary depending on your age and physicality, you can expect them to follow this timeline: Within 4-6 weeks , with regular resistance training, you ought to notice a more defined muscular contour, speedier recovery between workout sessions, and perhaps some reduced body fat

Lodi R, Iotti S, Cortelli P, et al

Because the liberated fluorenyl group is a chromophore, Fmoc deprotection can be monitored by UV absorbance of the reaction mixture, a strategy which is employed in automated peptide synthesizers

What should the patient do if symptoms worsen