L carnitine: what is it, health benefits and side effects Does Carnitine Cause Body Odor? Lume Deodorant Does Carnitine Cause Body Odor? Lume Deodorant A recurring fishy odor could indicate a larger medical problem. Is L acetyl carnitine helpful short term If you always smell sweaty, sour, or like onions, you need to check your gut because most body odor starts inside; constipation, yeast overgrowth, and poor bile flow create toxic sweat, so