PMCID: PMC6621984
Acetyl-L-Carnitine Research Studies have demonstrated acetyl-L-carnitines effectiveness in supporting cognitive health and maintaining a positive mood in the elderly, possibly by partially inhibiting the activity of the hypothalamic-pituitary-adrenal axis and lowering chronically elevated cortisol levels, which become elevated during stress
One reason could be that in vivo-studies are much more expensive and sophisticated
It may offer several health and beauty benefits, including supporting immune function, liver health, and muscle recovery, though more research is needed
The NICE guidelines for IBS, however, suggest limiting insoluble fibres as these can increase IBS symptoms in some people
For brain applications specifically, the gut-brain axis connection is significant