Karir or kerda (Capparis decidua) is a low-growing leafless tree found in arid regions in
, especially in Mahabharata state. It bears red flowers and pink berries that are used for pickles, curries, and treating diabetes. India
Eating karir fruit may provide antioxidants that help fight insulin resistance--or it may not. The research is not really conclusive. The fruits are, however, tasty and are very unlikely to cause type 2 diabetics to suffer hypoglycemia.
Yadav P., Sarkar S., Bhatnagar D. Lipid peroxidation and antioxidant enzymes in erythrocytes and tissues in aged diabetic rats. Indian J. Exp. Biol. 1997;35:389–392.