does l carnitine make you sleepy Impact of L-carnitine in narcolepsy treatment: a systematic review on the effectiveness and safety What is L-carnitine? – Reducing
Description
It is considered to be safe at therapeutic doses but it can induce a significant toxicity after overdose (Bessems and Vermeulen 2001)

And what about the bones

the number of published human cases is small

Wilkinson B Bifurcation Drives the Evolution of Assembly-Line Biosynthesis
