Book excerpt: Today, interest and curiosity in herbal and natural treatments are increasing and patients want to be treated with natural methods for their diseases. There is a lot of interest in this subject for skin diseases. It is claimed that many plants and natural ingredients have therapeutic effects for skin diseases. Some of them have scientifically proven data. In this 2nd book we prepared about supplements, we tried to gather scientific data about natural supplements and ingredients. The plants that are claimed to be effective for skin diseases in phytotherapy were compiled according to the diseases. Plants with therapeutic effects for viruses and cancer were examined. Sunscreen dietary recommendations were written. In addition, scientific literature on the therapeutic properties of miraculous foods that we interact with in daily life was searched. Care was taken to include information about daily practice in our book. I hope it will be useful and be a light for future studies.