Impairments range from subtle effects that can only be detected with special tests at levels between 0.001-0.029%, to problems with concentration, reflexes, motor control, and more, including a serious possibility of death at 0.50% or more.
Carnitine supplementation improves metabolic flexibility and skeletal muscle acetylcarnitine formation in volunteers with impaired glucose tolerance: a randomised controlled trial
Laurans L, Venteclef N, Haddad Y, et al
However, more clinical research is required to validate these findings and investigate the long-term implications of using GLP-1RAs to treat male infertility because the precise pathways by which they affect male reproductive health are not entirely understood (101)
Should I increase dose if weight loss slows
Selenium: A trace mineral that is a necessary cofactor for glutathione peroxidase (an enzyme that helps glutathione do its job)