Vitamin B2 is an important substance that promotes the digestion and metabolism of nutrients in the body, which can effectively improve the utilization of proteins and carbohydrates and promote the growth of skin and cell membranes. Therefore, once vitamin B2 deficiency occurs, the first manifestation is the roughness and dry flatness of skin and cells; secondly, it may lead to the reduction of the activity of antioxidants in the body; finally, it is likely to cause certain negative effects on liver function and endocrine. After entering the age of 40, vitamin B2 is in a situation of constant loss and insufficient income, leading to loose and dry skin, hyperplasia or thinning of the lining of internal organs, and the beginning of hair loss on a large scale. If vitamin B2 is at a relatively low level for a long time, ulcers and inflammation tend to appear inside the mouth and vision is diminished. Clinical evidence shows that individual patients with irritability and depression are also inextricably linked to low vitamin B2, especially those with diabetes and kidney dysfunction, who are prone to vitamin B2 deficiency. Vitamin B2 is an important component of the human body composition and is closely related to our health. You can increase the intake by improving the dietary structure, eating more animal liver, kidney, fish, egg products and dairy products, more eating green leafy vegetables, and also by taking vitamin remedies to relieve symptoms.