upregulation of antioxidant enzymes like catalase (CAT), superoxide dismutase (SOD), glutathione reductase (GR) glutathione peroxidase (GPx), heme oxygenase, endothelial nitric oxide synthase, and other protective proteins ( In addition to the above biological functions, carnitine also plays an important role in anti-apoptosis and protection of mitochondrial biogenesis and integrity, which are beyond the scope of this study ( Application in Diseases Carnitine, a natural compound closely related to the above-mentioned functions, has recently been found to alter the underlying disease pathology with fewer side effects ( Role of Carnitine in the Pathogenesis of NAFLD and Associated Diseases Carnitine and Multiple Hit Hypothesis in the Pathogenesis of NAFLD The prevalence of NAFLD is increasing at a tremendous rate, currently affecting about 24% of the world's population

Meanwhile, vegans and vegetarians have a significantly reduced capacity to synthesise TMAO from carnitine, which may explain the cardiovascular health benefits of these diets.
Treatment of refractory chronic depression and dysthymia with high-dose thyroxine
In aged tissue models, GHK-Cu administration increases epidermal thickness by 20%, enhances dermal collagen content by 70%, and improves elasticity markers by 27%