Dark circles occurring under the eyes are the indication of aging, allergies, dehydration and sleeplessness. Increase in the age can result in thinning of the padding under eyes thereby leading in development of dark circles. Deficiency in vitamin K leads to the development of dark circles under eyes. Increase the proportion of vitamin K intake in your diet so as to overcome vitamin K deficiency. Vitamin K plays a vital role in blood circulation thereby repairing the wear and tear caused to skin. Vitamin K is naturally included in carrots, broccoli, spinach, cabbage and strawberries that help in lightening the dark circles. Apply cream containing vitamin K to areas under eyes to reduce dark circles. Vitamin K creams helps in making capillary walls strong thereby reducing dark circles. Consume vitamin K supplement everyday to reduce the discoloration of skin and 80 mg is the ideal dosage for males and 65 mg for females. Deficiency of vitamin K is less but can be used for treating dark circles under eyes. A Vitamin K supplement includes consumption of green and leafy vegetables and can be taken by people having dark circles under eyes. Vitamin K can be of two types: vitamin K1 or phylloquinone and vitamin K2 and is formed by digestive system of body. Yes, vitamin K supplement are very beneficial in treating dark circles.