l-carnitine absorption with food or empty stomach | Linus Pauling Institute How Much L-Carnitine Per Day:

Warnings: Pregnant or lactating women and people with known medical conditions and/or taking drugs should consult with a qualified healthcare practitioner prior to taking dietary supplements

Animal studies have shown low or no adverse effects to the developing baby

For example Wallerian degeneration, which is a precondition for normal regeneration following nerve injury, was delayed in the nerves of streptozotocin(STZ)-induced diabetic rats [14]

(describing decision to investigate Salazar in response to accusations)

Additional studies show that boosting carnitine levels above normal levels doesnt lead to greater fat burning

Accordingly, there was no statistically significant improvement in the L-carnosine group regarding baseline BEARS scores and CARS2-ST, except for intellectual response