What are the benefits and functions of vitamin B2?
Sep 18, 2025
Source: Cainiu Health
Dr. Yu Yongchao
Introduction
Under normal circumstances, vitamin B2, as an essential member of the B-complex vitamins required by the human body, primarily functions to maintain the health of skin and mucous membranes, promote energy metabolism, protect eye health, participate in red blood cell production, and support the improvement of reproductive system function. It is important to ensure appropriate supplementation and avoid excessive intake. Vitamin B2 can usually be obtained through dietary sources such as animal liver, eggs, and leafy green vegetables.
Under normal circumstances, vitamin B2, as an essential member of the B-complex vitamins required by the human body, has several key benefits and functions, including maintaining skin and mucous membrane health, promoting energy metabolism, protecting eye health, participating in red blood cell formation, and supporting the improvement of reproductive system function. The detailed analysis is as follows:
1. Maintaining skin and mucous membrane health: Vitamin B2 is a vital nutrient for the repair and regeneration of skin, oral mucosa, and digestive tract lining. It helps reduce dryness and flaking of the skin and alleviates conditions such as angular cheilitis, cheilosis, and glossitis.
2. Promoting energy metabolism: Vitamin B2 participates in the metabolic processes of carbohydrates, fats, and proteins in the body, helping convert nutrients from food into usable energy, thereby reducing feelings of fatigue.
3. Protecting eye health: Vitamin B2 is a key component of light-sensitive substances in the retina. It helps relieve symptoms such as eye strain, dryness, and photophobia, reduces damage to ocular mucous membranes, and supports retinal function, especially beneficial for individuals who use their eyes extensively over long periods.
4. Participating in red blood cell production: Vitamin B2 assists in the generation and maturation of red blood cells, helping prevent impaired red blood cell production caused by deficiency. This reduces anemia-related symptoms such as weakness and pallor, and maintains normal blood system function.
5. Supporting reproductive system function: Vitamin B2 plays an important role in maintaining the health of reproductive organ mucosa. It can help reduce mucosal inflammations such as scrotal dermatitis in men and vulvitis in women, support normal reproductive system function, and provide nutritional support for reproductive health.
When using vitamin B2, it's important to supplement appropriately and avoid excessive intake. It can usually be obtained through daily foods such as animal liver, eggs, and leafy green vegetables. If additional supplementation via supplements is needed, it's advisable to assess individual needs and follow proper supplementation guidelines to ensure safety and effectiveness.
