l-carnitine cause cancer Carnitine Shuttle and Ferroptosis in L-carnitine ameliorates the muscle wasting
Description
These authors suggest that it is unlikely that greater levels of propionate or carnitine in the blood stream or muscle tissue would reduce the production of power during the repeated sprints

J dairy Res

In combination with l-carnitine, it provides dual support for energizing the heart and muscles, unlike most forms of carnitine.

Table 1 lists some of the studies performed for evaluation of the effect and safety of l-carnitine supplementation in different cases with fatigue

The effects of L-carnitine L-tartrate supplementation on hormonal responses to resistance exercise and recovery
