l carnitine in male infertility pubmed L-CARNITINE SUPPLEMENTATION BEFORE ASSISTED REPRODUCTION FOR The Role of Dietary Nutrients
Description
In addition, when circulating L-carnitine concentration increases, as in the case of oral supplementation, renal reabsorption of L-carnitine may become saturated, resulting in increased urinary excretion of L-carnitine (5)

Hamza RZ, Al-Harbi MS

doi: 10.1007/BF03344072, 134

changes on the scale usually take several weeks
