People frequently ask about vitamin and mineral supplements and diet as a way to prevent or manage dermatological problems, including hair loss. Given the massive and contradictory facts on this issue, answering these questions is frequently difficult. There are various grounds to assume that micronutrients play a role in non-scarring alopecia. Micronutrients are important components of the regular hair follicle cycle, as they play a role in cellular turnover, which is common in rapidly dividing matrix cells in the follicle bulb. Given the prevalence of hair loss and its major influence on patients’ quality of life, alopecia management is an essential element of clinical dermatology. The importance of nutrition and diet in treating hair loss is a dynamic and expanding field. In this review, we provide an overview of the role of vitamins and minerals in non-scarring alopecia, including vitamin A, vitamin B, vitamin C, vitamin D, vitamin E, iron, selenium, and zinc. In July 2018, a thorough literature search was conducted on PubMed and Google Scholar to assemble published studies that analyse the connection between vitamins and minerals and hair loss. Micronutrients like vitamins and minerals contribute significantly to immune cell and appropriate hair follicle development, however their exact effects are not well understood. Lack of certain micronutrients may be a modifiable risk factor for the occurrence, development, and management of alopecia. Given the function of vitamins and minerals in the immune system and hair cycle.