IV bypasses the gut, so it avoids most GI upset but carries a higher, still-uncommon risk of allergic reactions and serious events are tied to high, unregulated IV dosing
Your decision should consider lifestyle, insurance, and personal preferences
BMJ Case Rep doi:10.1136/bcr-2015-210727 Kim H, Chu K, Jung KH, Lee ST, Kim JM, Lee SK (2012) Acquired encephalopathy associated with carnitine deficiency after cefditoren pivoxil administration
Gene therapy represents a cutting-edge approach to modulating hepatokines, though it remains largely experimental
I remembered one review where the buyer said that he's tried some carnitine products that made him smell fishy, but a particular brand did not