The concern about kidney load is more commonly associated with peptides that stimulate significant systemic hormone production or with impurities in research-grade sources
Immune cells need it to function
This is where the rules change
Ageing and Degenerative Disease UKM Research Group, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
If you regularly drink carnitine-containing energy drinks, or take carnitine supplements, or lecithin supplements, which contain choline, presumably youd foster and maintain those same kinds of TMAO-producing bacteria in your gut, and increase your risk of heart disease and, perhaps, cancer