Green vegetables are important superfoods for weight loss. In general, green vegetables deliver a high amount of nutritional value in very few calories, and are low on the glycemic index. This latter fact is important; excess insulin in the body can lead to weight gain, and low-glycemic foods keep insulin levels low. Incorporating weight loss greens into your daily diet will only make you healthier. These 8 super “greens” to boost weight loss will get you started.