is nutricost acetyl l-carnitine good or bad OTC Treatment for Fibromyalgia Page 1 - Reviews -
Description
There is no firm evidence to support L-carnitine use on rest days

Without exercise creating that energy demand, its weight-related benefits are likely minimal it works best as a support for active individuals, not a standalone sedentary solution

Updated 05/01/2024

LINK Apaydin N, Bozkurt M, Loukas M, Vefali H, Tubbs RS, Esmer AF

Important: this difference doesnt mean one is better for everything, but that they fit differently depending on the person, goal, and routine type
L-Carnitine is a naturally occurring compound, similar to an amino acid, produced in the body by the liver and kidneys