acetyl l carnitine vs l carnitine
acetyl l carnitine vs l carnitine
Acetyl-L-carnitine (ALCAR) is a form of L-carnitine that crosses the blood-brain barrier and supports energy production, focus, nerve health, and mood. Controlled studies show the strongest benefits for mild cognitive impairment, diabetic neuropathy, depression, insulin sensitivity, and male fertility, while weight-loss and exercise benefits are modest. Dosing usually ranges from 500 to 3,000 mg daily, and it is best taken earlier in the day to avoid sleep disruption. This guide explains the evidence, practical dosing, side effects, and interactions so you can decide if ALCAR is worth trying.