Plants also need to regulate their sugar metabolism, to ensure that they do not starve at night when photosynthesis is not possible, and to make the best use of their carbohydrate supply for growth and reproduction. However, plants do not have insulin.

Which plant contains insulin?

Costus igneus, commonly known as insulin plant in India, belongs to the family Costaceae. Consumption of the leaves are believed to lower blood glucose levels, and diabetics who consumed the leaves of this plant did report a fall in their blood glucose levels.

Can you eat insulin plant?

You can pluck the leaves and let them dry in the shade. Grind the dried leaves afterwards. The crumbled and powdered form of the plant should be consumed daily. Consume only one tablespoon of this drug daily.