The Best Stress Vitamin in the World would include: Vitamin C for Immune Support. Vitamins B1, B2, B6, and B12 for Central Nervous System Support. Pantothenic Acid, another B Complex Nutrient, has been shown to mitigate the potential side effects of excess Stress. We include this nutrient in extremely high potency for this reason. We also include Chelated Magnesium for its overall calming effect. The Formula is completed by the addition of raw adrenal extract to nourish the adrenal glands.