Sign up for the latest free sample from 8Greens. This free tablet lets you enjoy greens for a limited time, for completely free! It is made with spinach, kale, aloe vera, wheatgrass, blue green algae, barley grass, chlorella and spirulina, with zero sugar, only 15 calories and a lemon-lime taste.
So for the price of free this can’t be beat. What we can say is that we don’t know.