Cumin aids in weight loss by increasing metabolism and regulating blood sugar levels. Digestive issues. This spice can treat digestive issues such Cumin aids in weight loss by increasing metabolism and regulating blood sugar levels. ... Digestive issues. This spice can treat digestive issues such as diarrhoea and gas. ... Blood pressure reduction. CMN can lower blood pressure and reduce the risk of cardiovascular disease. diarrhoea and gas. Blood pressure reduction. CMN can lower blood pressure and reduce the risk of cardiovascular disease.