Zero Fillers | Zero Sweetener | 17 Nutrients YOUR DAILY NUTRIENT BOOST Fuel your body with nature's best! Critical Greens is a powerful combination of nutrient-dense superfoods packed with 17 super greens including broccoli, celery, spinach, wheatgrass, and kale powder, designed to support your overall health, energy levels and digestion. Get your athletic greens in a super-convenient way. Our advanced blend can simply be added to your shakes, fruit smoothie or can be mixed with water for a fresh natural taste.