l-carnitine common side effects nausea diarrhea fishy odor Acetyl-L-Carnitine Allergy: Symptoms and Treatment Options (2026) Acetyl-L-Carnitine: Benefits and Side Effects
Description
In addition, liver-derived acylcarnitine can also be taken up by intestinal epithelial cells and used for mitochondrial oxidative metabolism, providing additional energy for intestinal cells [218]

using the supplement consistently will yield the best results

Lire larticle P Colombani et al

Research also shows that L-carnitine improves the ratio between good and bad cholesterol
doi: 10.1242/JCS.113.24.4435

Pain 116 , 109118 (2005)
