Made from 8 essential real greens; broccoli, aloe, kale, collard greens, spinach, peppermint, green tea, and alfalfa, with added marine collagen and biotin. Greens are dehydrated, to retain their nutrient value.Each tablet contains as much vitamin A as 10 cups of broccoli, biotin as 187 pounds of salmon, vitamin C as 25 stalks of celery, and zinc as 4 large zucchini.No sugar. Dairy free, gluten free and preservative free. Only 10 calories. Contains all-natural marine collagen from cod fish.84% of people who used 8Greens SKIN for 3 weeks reported significant improvements in skin texture, smoothness and radiance (source: Princeton Consumer Research, study conducted exclusively with women (April 2020).Contains collagen peptides made from the skin of wild-caught, deep-sea cod.Drop the effervescent tablet in water or any other liquid, wait for it to dissolve and then enjoy.Can be taken up to 2 times a day for adults.Tastes like fresh apples.