What is Kumquat? What is Kumquat good for? All fruits are good for health but some have a better a nutritional value as compared to others. Filled with essential nutrients, Kumquat fruit acts as a remedy for various health problems. Some of the Kumquat Benefits are: heart care, increase in haemoglobin, increases metabolic rate, cures gastro-intestinal troubles and cancer prevention and its general health benefits are: anti oxidant properties, anti-inflammatory properties, healing of wounds, helps in weight loss and strengthens bones. It can also be used for nourishment of skin and hair. Some skin benefits are anti-aging benefits, reduces wrinkles and treatment of dark spots and hair benefits are promotes longer and healthier hair, protects hair and shiny hair. If this fruit is consumed in excess or if you are intolerant, you might experience some side effects or allergies. Kumquat side effects are: allergic reaction and its allergy symptoms are abdominal pains, coughing, diarrhea, digestive problems, drop in blood pressure, hives, itching, nausea, tingling sensation in wrist and face, vomiting and wheezing. Keep reading to get all the necessary information about Kumquat.