Post Meal Consuming One Lemon Has Potential Benefits: Lemon is a citric food, which contains plenty of vitamin C and antioxidants. If you include one lemon in your diet every day, it alone can fulfill the requirement of vitamin C for one day. Looking at its benefits, health experts have been advising to drink lemon water. It works from improving the skin to improving digestion and immunity. Do you know what effects it will have on the body if you drink one spoon of lemon juice after eating? Dietitian juhi arora While sharing a post on Instagram, he said that if you consume lemon after eating, it can be beneficial in many ways.