What’s the best source of carnitine? Look it up. It’s meat. It’s long been known that maternal meat consumption during pregnancy is positively correlated with offspring IQ. Bottom line: If you want smart kids, don’t breed with a vegan woman. (That and she’s probably an annoying-as-hell leftist, too!)
Carnitine is highest in beef products, more than in in other animals.
However, the use of beef products causes climate change:
https://www.weforum.org/agenda/2019/04/6-pressing-questions-about-beef-and-climate-change-answered/
If you consume more red meat or take carnitine supplements the world will burst into a burning ball of fire.
And you wouldn’t want that, would you?
Your vill eat zee boogs.