can we take l carnitine before sleep Liquid L-Carnitine 3000 Plus When to Take L-Carnitine for
Description
WADA-prohibited Insulin-like growth factor-1 (IGF-1) and its analogues are prohibited by the World Anti-Doping Agency at all times under S2 (Peptide Hormones, Growth Factors, Related Substances and Mimetics) (ref

Pro Tip Run each form of L-carnitine solo for at least 6 weeks with the rest of your stack unchanged, so you can actually see whether injectable or oral is moving your weight, training volume, resting heart rate, and waist measurements in the right direction

Toxicology 216 , 197203 (2005)

Five studies involved only daytime or morning administration

Swietenine potentiates the antihyperglycemic and antioxidant activity of metformin in streptozotocin induced diabetic rats