l carnitine breast cancer L-Carnitine Carnitine | Memorial Sloan Kettering
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doi:10.1055/s-2008-1038678 Trexler ET, Smith-Ryan AE, Stout JR, et al

This undersells it

L-Carnitine capsules should be taken 3045 minutes before exercising, as this is when they are most effective and their benefits can be maximized

This confusion is the #1 reason most Indians never get results from L-carnitine not because the supplement doesn't work, but because they're either taking too little, taking too much, or taking it at the wrong time
