Green cardamom Improves digestion: The medicinal properties of cardamom can help get rid of stomach ulcers, acid reflux and other gastrointestinal problems. ... Green Cardamom- Nutritional Benefits. Nutritional Fact Measure (%DV)* Dietary fibre 100% Protein 22% Potassium 24 % Calcium 29 % Copper 43% Iron 78% Magnesium 57% Phosphorus 25%