Feel lethargic? Like a squeezed lemon? 27 March 2022 by Margarita Leave a Comment Feel lethargic? Like a squeezed lemon? Blend 3-4 beets, whole lemon , 1/4 onion. Add sea/Himalayan salt if you like. Beets are almost instantaneous at relieving mental and physical fatigue! Because of the high iron content.