This document provides tips on preventing hair loss through diet and supplements. It recommends including foods rich in omega-3 fatty acids, vitamin A, and vitamin E in one's diet to nourish hair follicles and increase blood circulation in the scalp. Specific supplements mentioned are Viviscal to improve hair growth, biotin which prevents thinning without side effects, vitamin D which supports the hair cycle, and vitamin A as an antioxidant for hair growth if taken as recommended. The overall message is that maintaining a healthy diet and lifestyle can help prevent abnormal or excessive hair loss.