The rising rates of obesity diabetes and other non-communicable diseases (NCDs) have taken places in Taiwan during recent decades. The reasons are complex and require a wide range of action focusing on improving the quality and quantity of food consumption through nutrition education as well as other remedial measures. However, the exposure to the commercial promotion of energy-dense, micronutrient-poor foods and beverages undermines recommendations for a healthy diet. A whole new array of natural or functional foods and nutraceuticals having been developed is aimed to alleviate obesity or NCDs, and marketed through direct sale, cable TV and over the internet. Some marketing methods use attractive tactics, such as endorsement by celebrities in mass media, can leave consumers misinformed about the nutrition message Nutrition/dietetic professionals should seek to replace unethical promotion with credible information.