Amaranthus artists have the power of preventing some common diseases like phlegm, fever, gastric trouble, and diseases related to fever. It acts as a stimulant and aphrodisiac. As I have mentioned earlier that this variety has more properties that increase body heat (stimulant). So, It is not advisable for people who are prescribed medicines to reduce body heat and complications caused by increased body heat. Nutrition Content: The nutritional value of Keerai is twenty times more than in other vegetables. Keerai is a valuable source of nutrients, rich in iron, calcium, vitamin A, anti-oxidants, and veg proteins.