07 Aug 2015 --- 2015 has been a monumental year for Biothera, the maker of Wellmune, a proprietary strand of baker’s yeast that was launched in to strengthen the immune systems of a wide range of consumers. The vital ingredient, beta glucan, has now been proven to boost the immunity of recreational athletes, as well as seasoned athletes, while globally, consumers are increasingly looking for products to protect their immune health. Chief executive Rich Mueller spoke to FoodIngredientsFirst about how the market is changing and how Wellmune is ready to pick up the trend.