can acetyl-l-carnitine cause kidney stones (500mg) (100 capsules) – Arthritis Center of Riverside Carnitine Supplementation in Chronic Hemodialysis
Description
In a study published in the journal Strength and Conditioning Research, professional football players were given 3 to 4 grams of L-carnitine before exercise and found that it prolonged the time it took for the body to become exhausted

However, most of our readers are athletes , and they often happen to be run down on carnitine too

Vasc.Med 2012;17(3):145-154

Uptake into brain also occurs primarily via the OCTN2 transporter [1, 44, 45]

de Lira-Garcia, C., Souto-Gallardo, M., Bacardi-Gascon, M., and Jimenez-Cruz, A

however, changes in dietary carnitine intake level or in renal reabsorption do not appear to affect the rate of endogenous L-carnitine synthesis (6)
