Brown, black chickpeas have higher nutritional content than the widely used lighter skinned garbanzo. Black chickpeas contain more fiber and have a lower glycemic index. Which makes it ideal for diabetic patients to include in their diet. Kala chana or black chickpeas are darker than regular chickpeas, with a nuttier flavor. Black chana is relatively low in calories, making them a healthy option as part of a filling and nutritious meal. One reason kala chana is so filing is due to its high protein content. These legumes contain 7 grams of protein per 35 gram serving.