Vandana Vijay, a biochemist behind the post-social replenishment drink Bounce Back, has revealed what your body needs after a night of partying. Choline. It's an essential nutrient that supports the body with transporting fat away from the liver, to support normal liver function. "Alongside the benefits for your liver, choline has also been found to support our brain function, including better memory and processing." B Vitamins. These are excellent for managing and increasing our energy levels.