Nanoparticles are tiny objects, available only as intravenous formulations, that help medicines get to difficult-to-reach cells and tissue. They can also help protect molecules and control the targeted release of medicines.
Herbal medicines are based on extracts from plants or parts of plants that have healing properties. They have been used for hundreds of years and can be seen as the origin of biologic treatments. Herbal medicines are still widely used, in particular in developing countries where modern medicine infrastructure is lacking, and they are regulated in the EU at national and EU-level.