can too much l carnitine cause diarrhea The adverse effects of long-term l-carnitine supplementation on liver and kidney function in rats 4 Benefits of L-Carnitine for

These include: Older adults, whose ability to absorb B12 from food naturally decreases with age

2018, doi:10.3389/fnins.2018.00049 According to the authors of one paper: Vagal activity provides a protective function to the intestinal epithelial barrier and a low vagal activity makes intestinal epithelium more permeable thus promoting systemic inflammation and chronic disease

By maintaining nerve and cognitive functions, B12 helps ensure the proper functioning of the nervous system

In addition to the liver, there are local producers of IGF-1 in the body and the brain

It may also support efforts related to reducing abdominal fat storage as part of a broader medical and lifestyle plan