Gastritis is the most common disorder of the upper digestive tract. It is a common health problem among young adults.It may be acute or chronic. Gastritis remains a social and public health problem in developed and developing countries. Kala Jeera(Nigella Sativa) releases healthy enzymes that speed the body's digestion processes and aid in the smooth breaking down of sternfat, sugars, and carbohydrates. It is also rich in anti-inflammatory and antioxidant properties that ensure a smooth digestion process.Many over-the-counter drugs, claiming to give relief, are introduced overnight and then hurriedly withdrawn on findings of seriousside effects. Under these circumstances, a tried and tested remedy over centuries can be far more safely relied upon. The currentstudy aimed to determine the potential benefits of Kala Jeera water for Gastritis. Using a quasi-experimental design, fifty patientswere selected randomly(n=50) who fulfilled inclusion and exclusion. A purposive sampling technique was used to select thepatients. The data was collected by using a modified gastrointestinal questionnaire. Pretest scoring was done using a modifiedgastrointestinal questionnaire. After that, the subjects were given Jeera Water and advised to continuously drink on an emptystomach early morning, once a day for 4 weeks. A post-test was conducted after 4 weeks of using a self-administration modifiedgastrointestinal questionnaire. Pretest and post-test scores were compared. There is a significant reduction in symptoms likeabdominal bloating, belching after meals, vomiting after eating, constipation or diarrhea, and coated tongue after 4 weeks. Dataanalysis revealed that Kala Jeera water effectively reduced Gastritis. We conclude that Kala Jeera water is a cost-effective naturalgastritis remedy without any side effects. And it is a simple process.