Total and LDL cholesterol levels increased in the L-carnitine group, and L-carnitine supplementation was also associated with 9.3% greater carotid arterial plaque stenosis in males who ate less red meat and had lower baseline stenosis and total plaque volume than other participants.26 A 2018 study including participants on a nonvegetarian diet found that 24 weeks of supplementation with 1,500 mg of L-carnitine increased fasting blood levels of carnitine and increased levels of TMAO tenfold but did not increase lipids, inflammatory markers, or other markers of atherosclerosis in healthy, omnivore, nonsmoking, physically active women ages 65 to 70 when compared with placebo
A major difference between the two peptides appears to be their respective half-lives, where the half-life of Sermorelin is considered to be 11 to 12 minutes and that of Ipamorelin is approximately 2 hours
As this study was exploratory, there was no correction for multiple testing
This is largely genetic and reflects normal melanocyte distribution, not a pathology
The clinical trial program was extensive