l-carnitine 3000 liquid applied nutrition Sour Apple 480ml Applied Nutrition L-Carnitine Liquid 3000,
Description
Another option is acetyl-L-Carnitine , which is also widely available

So, while 500 mg might work perfectly for one person, someone else might need 1,000 mg or more to see noticeable changes

Despite the generally recognized fact that L-carnitine can improve male sexual function at the indicated concentrations of 100, 200, and 350 mg/kg/day [22,23,24,25,26], there are reports that chronically oral administration of L-carnitine induces testicular injury, which was manifested by an increase in the number of abnormal spermatozoa and a decrease in their motility [27]

Cephalalgia , 42 (45), 302311
Larouche A, Berube P, Sarret P, Grignon S

Ezen tlmenen a tudomnyos kutatsok sszefggst talltak a tarts, nagy dzis L-karnitin-bevitel s az emelkedett TMAO-szint kztt, amely hozzjrulhat az relmeszeseds fokozott kockzathoz