Obesity is emerging globally as a leading, underlying contributor to a variety of different diseases, some of which are fatal. Following the current 'Globesity' trend, there is an increasing demand for alternative natural therapies for weight management. Physical characteristics including body size and weight, are considered as the key influences on the optimum performance in athletes. Despite several products for weight management, there are still weaknesses of these formula including efficiency and safety. This book provides the botanical sources which are available to serve as an alternative to modern, synthetic anti-obesity drugs, and to provide a brief discussion of their mechanism of action, and their safe and effective usage. Besides, this book proposes a novel herbal formula as a natural medicine for slimming and weight management in terms of reduction in body mass index (BMI), body fat percentage, body weight and appetite, without changing their diet or physical activityand with no clinical side effects which could be a safe and effective complementary treatment for overweight and obesity.