TriGuard MULLEIN Plus is a natural respiratory support supplement featuring Mullein Leaf Extract, Elderberry Extract, and Olive Leaf Extract. This alcohol-free syrup is designed to support healthy respiratory function and boost the immune system. The product is made in the USA and is non-GMO. It comes in a 60 ml (2 fl oz) bottle and is easy to use with a serving size of 2 ml. The supplement is formulated with high-quality ingredients and processed with low heat to maintain potency.