is l carnitine useless L-carnitine completely useless?, No, while oral has minimal effect, acetyle L carnitine form is generally more bioavailable, it may not be show a drastic change, but it does help L-Carnitine is not a magic
Description
Fumarate, or fumaric acid, is an important compound, which is also naturally present in the body
doi: 10.1016/j.phrs.2021.105874

Available at Fitness Society Supplements Frontline Formulations L-Carnitine is available at Fitness Society Supplements

For adults, take 1 measuring tablespoon(0.5 oz) daily