intestinal microbiota metabolism of l-carnitine a nutrient in red meat TMAO and Heart Health: What You Need to Know Frontiers | The gut-heart axis:

Anyone belonging to these categories should only use L-Carnitine under medical supervision

Its primary function is transporting long-chain fatty acids into the mitochondria, often referred to as the cell's "powerhouse." Once inside, these fats are oxidized and converted into usable energy

[10] Needless to say, it's difficult to find a reason why any senior citizens should not be adding L-carnitine supplements to their diets

no adverse outcomes have been attributed to nursing infants, yet unnecessary exposure should be avoided

These abnormalities can lead to perturbed lipid peroxidation and expression of neurotrophic factors which ultimately cause degenerative nerve function

But it works best if you also work out, eat healthy and keep it up