l carnitine l tartrate or acetyl Old School Labs 4-in-1 Liquid L-Carnitine 3000 Plus for Energy & Metabolism Acetyl L-Carnitine

thus, controlled ovarian stimulation was initiated for such patients on day 3 of their menstrual cycle using clomiphene or letrozole

And it can certainly be indicated for those who have a deficiency in their own production of carnitine and are vegetarians

(PubMed) Turunen M, Wehlin L, Sjoberg M, et al

10.1038/nrm3089 180 SmolleM

Although there was a decrease in the median (IQR) of GI symptoms score in the patients on KD with L-carnitine supplementation in comparison to KD only group indicating clinical improvement in GI symptoms, and an increase in the median (IQR) of the Bristol stool scale indicating that the stool was softer, these results didnt reach statistical significance