l carnitina wikipedia romana L-Carnitina: Ce este? ▫ Beneficii si Rolul in organism L-Carnitine Liquid 3000 XT –
Description
This convenient combination is designed to help support your high intensity workouts and optimize physical performance.

Yes, it is designed for daily use, but avoid taking it late in the evening as it contains caffeine

Regarding female infertility , taking carnitine alone or in combination with other antioxidants has been shown to improve female reproductive function
Am J Neuroradiol 30:16101613 Garcia-Ayllon MS, Cauli O, Silveyra MX et al (2008) Brain cholinergic impairment in liver failure

Neuropediatrics 27:115123 Kolker S, Christensen E, Leonard JV, Greenberg CR, Boneh A, Burlina AB, Burlina AP, Dixon M, Duran M, Garcia Cazorla A, Goodman SI, Koeller DM, Kyllerman M, Muhlhausen C, Muller E, Okun JG, Wilcken B, Hoffmann GF, Burgard P (2011) Diagnosis and management of glutaric aciduria type Irevised recommendations