I should mabye juice bought juicer few years back but its bear to clean so just buy store juice 100% usually but sometimes as said get some clamato actually picked up some today. I even spice it up a bit like caesar it don't bother me at all on the fast. Fact think have small one today already went nearly two weeks on water so bit of juice is not bad idea and can replenish sodium and potassium. But you might go up bit on weight from sodium ,its only water weight of course though.