BARLEYmax was developed in the 1990s by CSIRO, a renowned Australian research institution. This non-GMO barley cultivar was recognized for its high dietary fiber content, which includes soluble fiber in the form of beta-glucan, insoluble fiber, and resistant starch-like fiber that is believed to have a prebiotic effect, potentially enhancing gut health. The average American diet tends to be deficient in fiber, with individuals of all ages struggling to meet the recommended intake of three to six servings of whole grains daily. As interest in gut health continues to grow, the focus has primarily been on probiotics; however, prebiotics—the food for beneficial bacteria—are increasingly gaining attention. According to a report by Global Industry Analysts, the demand for prebiotic-rich products could propel the market to $7.8 billion by 2022. Currently, BARLEYmax grain is commercially supplied only by an Australian company, Blue Lake Milling, although it has been successfully trialed in several other countries, including the United States. In addition to the Barley+ range, this grain is incorporated into various products from several other Australian companies, such as breads, wraps, cereals, and snack bars. Furthermore, consumers are also seeking additional health benefits, such as those provided by the Citracal calcium supplement, which is known for its role in supporting bone health. As awareness of gut health and nutritional supplementation continues to rise, products like BARLEYmax and Citracal are likely to become increasingly popular among health-conscious consumers.