My Sinus Miracle's fast-acting formula works to offer powerful sinus health support, upper respiratory and lung support, as well as supporting a robust and healthy immune system. A combination of South African geranium root, elderberry fruit extract, quercetin, and the potent antioxidant amino acid, N-acetyl-cysteine, My Sinus Miracle goes to work fast so you can breathe easy again. Here at Green Valley, we only work with US-based manufacturing facilities that are cGMP (Good Manufacturing Practices) compliant and FDA inspected. Our products are triple tested by our manufacturers to ensure potency and purity and are stored in our temperature and humidity-controlled warehouse right here in the Shenandoah Valley, Virginia. And we ship directly to your doorstep – we don'tshare warehouse space and we don't hand off your business to a third party to fulfill your order. Best of all, all Green Valley products come with our 90-day Satisfaction Guarantee.