Which nutrient is essential for the synthesis of Carnitine, a molecule crucial for fatty acid transport into mitochondria?

A Vitamin C
B Vitamin B6
C Lysine
D Vitamin B12 and Lysine together are not directly involved but Vitamin B6, along with Lysine is indirectly related however more directly it is related to
Lysine is an amino acid that plays a role in the synthesis of carnitine, which is vital for transporting fatty acids into the mitochondria for beta-oxidation.
Biochemistry textbooks, scientific research articles
Metabolic and Nutritional Disorders Nutrition and Biochemistry Fatty Acid Metabolism and Carnitine Synthesis Hard MEDICAL Confidence: medium