> I guess I cannot speak to how difficult zero calories would be for 2-4 days I can, it's not difficult at all. I've done 7 days, no multivitamins or supplemen

> I guess I cannot speak to how difficult zero calories would be for 2-4 days I can, it's not difficult at all. I've done 7 days, no multivitamins or supplements of any kind. I did allow myself two espresso shots over lunch, but I can't image that counts much towards caloric intake.