Moderate consumption of cola with lemon does not cause significant harm to the human body; however, if consumed in large quantities over a long period of time, it may cause obesity and affect the digestive function.
Cola is a carbonated beverage, for example, a brand of cola, the main ingredients are water, carbon dioxide and sugar (about 10.9g/100g); and the main nutrients of lemon are vitamin C (22mg/100g) and so on. Moderate consumption of Coke with lemon metabolized by the body does not cause significant effects on the human body.
However, cola is a high-sugar drink, long-term consumption of large quantities may cause obesity; and the carbon dioxide in cola will also affect the digestive function, long-term consumption of large quantities may lead to diarrhea, abdominal distension and other symptoms. Diabetics should not consume sugary drinks such as cola.