take acetyl-l-carnitine with or without food – Core Nutritionals l carnitine pill or powder

It guarantees effective metabolic pathways for energy generation from fatty acids and as a result the successful reduction of subcutaneous fat deposits and control of body weight

Caso et al

Keep in mind its not a magic solution

Some early research suggests that L-carnitine might improve walking in people with blocked blood vessels not in the heart or brain

Vitamin B6 is a water-soluble vitamin that is important for normal cysteine synthesis, energy metabolism , nervous system function, homocysteine metabolism, psychological state maintenance, red blood cell formation , immune system function and normal protein and glycogen metabolism

doi: 10.1002/jcb.28707