What are substance found in nature that your body needs to stay healthy?

The body requires various substances found in nature to maintain health, including essential nutrients like vitamins and minerals. For example, vitamin C from fruits supports the immune system, while calcium from dairy products is crucial for bone health. Additionally, proteins from plants and animals provide the building blocks for tissues, and healthy fats from sources like fish and nuts are important for brain function and overall energy. Hydration from natural water sources is also vital for maintaining bodily functions.