l carnitine causes heart disease Didn't another study show was good for the heart? Red Meat and Heart Disease:
Description
Thus It Produces Stamina

It can pick up things that may not yet be detectable in blood work, and is good baseline information to have

EBioMedicine , 2023 , 94 , 104711

[The benefits of L-carnitine therapy in essential arterial hypertension with diabetes mellitus type II]

Do NOT double dose: More is not better
