l-carnitine precursor to what Frontiers The Difference Between L-Carnitine &

The final work group report concluded that in selected individuals who are not in one of the four previously mentioned statin benefit groups, and for whom a decision to initiate statin therapy is otherwise unclear, additional factors may be considered to inform treatment decision making

There isn't one single "most important" antioxidant, as they work best in combination

Nakanishi H, et al

3) Alzheimers Disease No other neurotransmitter is more important for cognition and memory than acetylcholine

Carnitine lowered the levels of creatinine and BUN in the blood, reduced kidney tissue damage and abnormal kidney enlargement [25]