SÃO PAULO, July 16, 2020 /PRNewswire/ -- The growing demand for healthiness and products that help support the immune system is expanding the use of botanical ingredients in the global market. The powerful antioxidant effect of quercetin and rutin has brought these bioactive compounds to the forefront, especially for application in food supplements of natural origin. According to research by the Nielsen market intelligence agency on the impact of the Covid-19 pandemic, consumers are prioritizing products that help them protect their health, particularly those that offer immunity benefits.