The document outlines key opportunities in the nutritional supplements industry, highlighting that U.S. adult consumers spend an average of $635 annually on supplements, with notable growth potential in both vitamins, minerals and sports nutrition categories. It identifies five main opportunities for retailers and brands, including the underdeveloped sports nutrition sector, the importance of Amazon as a sales channel, the potential of convenience stores, the demand for personalized nutrition, and the need for needs-based messaging to engage health-conscious consumers. Overall, the market is not saturated, and brands have the chance to increase their market share while addressing emerging threats, particularly from Amazon's anticipated expansion into sports nutrition.