Technically yes its widely available as a research chemical. Wed strongly caution against it
Our second clinic is located in Victoria, just a short 5-minute walk from Victoria Station and Underground Station, and close to popular landmarks such as Buckingham Palace
L-carnitine is taken by mouth for conditions of the heart and blood vessels including heart-related chest pain, congestive heart failure (CHF), heart complications of a disease called diphtheria, heart attack, heart disease, leg pain caused by circulation problems (intermittent claudication), reduced circulation in the arms and legs due to narrowed blood vessels (peripheral vascular disease), irregular heartbeat, and high cholesterol
[21] L-carnitine may also interact with thyroid hormone, potentially interfering with thyroid hormone action, and patients with thyroid conditions should use it cautiously under medical supervision
As mentioned previously, increased cerebrovascular resistance at rest, whether it be related to aging or disease, is typically a negative change in cerebrovascular function and is a sign of greater flow impedanceultimately leading to reductions in CBF (Claassen et al., 2021)