Slow released carbs are also known as complex carbohydrates. These are healthy carbohydrates and are absorbed much more slowly into the body. As a result, the glucose contained in the carbohydrates is absorbed more slowly into the body and it doesn't cause a rapid spike in insulin. Complex carbohydrates are found in foods such as wholemeal and spelt grains, sweet potatoes, green vegetables, legumes, nuts, seeds and whole grain rice.When you eat products with slow released carbohydrates; combined with protein and fat; glucose from the slow carbohydrates are slowly absorbed into your body. This is a healthy way of eating and thus reduces the risk of obesity.