Various types of slimming aids are available in the market. Among those Natural supplements or herbal supplements for weight reduction are widely used by the patients. These natural products are effective and safe on body weight management in both human and animal studies. Further studies need to be conducted to investigate the mechanism of action, metabolism, long term safety and side effect of these natural products, as well as interactions between these natural products with dietary components. The potential for natural products as sources of nutraceuticals or drugs to manage body weight is now being realized which including catechins, capsaicin, conjugated linoleic acid, fucoxanthin, soy isoflavone, glabridin, astaxanthin, and cyaniding-3-glucoside, etc. They are also sometimes referred as phytomedicines and botanicals. Though these products are obtained naturally and are claimed safer, they do have their drawbacks such as allergic to the patients, adverse effects from the usage, producing unsatisfied results, etc.

Obesity has continued to be more prevalent within North America. While two out of every three American men are overweight or obese, these rates, in the case of women, are far higher. The United States contains one of the highest percentages of obese people in the world. An obese person in America incurs an average of USD 1,429 more in medical expenses, annually. As per CMS (Centers for Medicare and Medicaid Services), approximately USD 147 billion is spent in added medical expenses per year within the United States. This number is suspected to increase approximately to USD 1.24 billion per year, until 2030. According to the NCHS (National Center for Health Statistics), around 36% of the adult population and 17% of the youth population were diagnosed with obesity during 2011–2014, in the United States.  This rising pace of obesity and chronic diseases is making it necessary to advocate weight loss programs and obesity management. The rise in health concerns, high income, and technological advancements are driving the expansion of the market. Moreover, people are also inclining toward low-calorie foods and the consumption of supplements, along with exercises are contributing to drive slimming aids market in North America.