Home Remedies:

>Take 2 teaspoons of bitter gourd (karela) juice once a day. One can also increase its use as a cooked vegetable.

>Take 1 teaspoon of Indian gooseberry (amla; amalaki) juice mixed with 1 teaspoon of bitter gourd juice twice a day.

>Chew 10 holy basil leaves (tulsi), 10 margosa leaves (neem), and 10 bael leaves (belpatra) on an empty stomach in the early morning.

Diet and Lifestyle:

Include whole grains in the diet, such as wheat bread/pasta and brown rice. Cheese and yogurt prepared with skimmed (nonfat) milk may be taken. Use garlic, onion, bitter gourd, spinach, raw banana, and black plum. Make a flour mixture of 1 part barley, 1 part black chickpeas, and 4 parts whole-wheat flour and use this to form pancakes and bread. Avoid sweet, sour, and salty foods, potatoes, sweet potatoes, colocasia (taro), yams, fresh grains and pulses (legumes), whole yogurt (high in fat), and heavy, oily and spicy foods. Avoid sweet fruits like pineapple, grapes, mangoes, etc. Start doing some light exercise, such as brisk walking. Build up to a brisk walk of 30-40 minutes in the morning and again in the evening. Avoid sleeping in the daytime as it increases kledaka kapha

- See more at: http://ayurvedguru.com/Home-Remedies/diabetes.html