what's l-carnitine Carnitine | Heart and brain health Acetyl-L-Carnitine 500mg - Συμπληρώματα Διατροφής

Kolbrink B, Riebeling T, Kunzendorf U, Krautwald S

Shatsky[23], who examined evidence derived from the use of oral and intramuscular administration, indicated that high dose oral administration appeared to be safe, effective and cost-effective, although long term clinical trials were required to confirm this

Activation of the Nrf2ARE pathway in muscle and spinal cord during ALS-like pathology in mice expressing mutant SOD1

Anyway, my point is, these vitamins made me feel exactly like you described above

If you had neuropathic symptoms (like numbness or tingling in hands/feet due to low B or B), you might find those sensations gradually improving over a few weeks of therapy