is l carnitine baned by olympics Russian Olympic figure skater Kamila Valieva's drug test: The substances and their potential performance effects Mo Farah explains why he
Description
Eligibility criteria included studies on healthy human subjects, treated for at least 12 weeks with LC administered orally, with no drugs or any other multi-ingredient supplements co-ingestion
Its worth noting that research suggests the body is able to absorb Carnitine better when its taken with a source of carbohydrate
2003 Nov 15;9(15):5756-67

I personally take my last scoop at 9 PM