If you take 4TODAY® Essential, rest assured, you can feel you’ve covered the basics of the human body nutritional needs. It’s convenient in one pack and gives you Vitamins, Herbs, Digestive Enzymes, Anti-Oxidants and Fatty Acid. Did you know that 90% of the population is deficient in Fatty Acid. Fatty Acid is like the oil in your car. You need it to run.