Why is supplementing especially important for vegans?Even with the most well-planned diet, there are some key nutrients vegans usually fall short on.Some essential vitamins and minerals are simply not present in plant-foods or, due to rampant soil depletion, are not present in plant-foods to the same extent that they once were. With regular supplementation of these missing nutrients, you will notice a difference in your energy level, mood, and stamina day-to-day.