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Vitamin b2, also known as riboflavin, is slightly soluble in water and is widely distributed in nature. Vitamin b2 is an essential nutrient for mammals, and its coenzyme forms are flavin mononucleotides and flavin adenine dinucleotides. When vitamin B2 is deficient, it will affect the body's biological oxidation, causing metabolic disorders. The lesions are mostly manifested as inflammation of the mouth, eyes and external genital area, such as angular cheilitis, cheilitis, glossitis, conjunctivitis and scrotal inflammation, so vitamin b2 can be used for the prevention and treatment of the above diseases.

The common effect

Promoting development and cell regeneration;

Promoting the normal growth of skin, nails and hair;

Helping prevent and eliminate the inflammatory response of the mouth, lips, tongue and skin, collectively known as oral reproductive syndrome;

Improving vision and reducing eye fatigue;

Affecting the body's absorption of iron;

Affecting biological oxidation and energy metabolism, combined with other substances,.

Special effects (this effect is the latest discovery, if you need to take vitamin b2 in large quantities, you should consult a professional doctor):

It is used to treat angina pectoris patients with coronary heart disease, myocardial ischemia and angina pectoris. If you take vitamin B2 75 mg every time, 3 times a day, after a month of medication, the frequency of angina pectoris can be reduced or even disappeared. This is because vitamin B2 can improve the blood supply to the heart.

It is used to prevent migraine. Researchers in Belgium and Luxembourg have found that high doses of vitamin B2 can reduce the frequency of migraine headaches and shorten the duration of attacks. Migraine is caused by a decrease in the energy reserve of brain cells. Vitamin B2 can increase the potential of mitochondria in brain cells. Therefore, taking vitamin B2 400 mg once a day can effectively treat migraine.

It can prevent cancer. Scientists have found that vitamin B2 deficiency can enhance the carcinogenic effects of chemical carcinogens. Therefore, vitamin B2 supplementation in daily life can prevent cancer. The usual amount of vitamin B2 supplement is: 10 mg each time, orally 3 times a day.

Food source:

Vitamin b2 is a water-soluble vitamin that is easily digested and absorbed. The amount of excretion is increased or decreased depending on the needs of the body and possibly with the loss of protein. It does not accumulate in the body, so it is often supplemented with food or nutritional supplements. It is only present in the liver and kidneys of dairy products and animals. In addition, the egg yolk, seaweed, carrot, lettuce, shiitake mushroom and squid that we usually eat are also rich in vitamin b2.

People who need to take:

Women who are taking birth control pills or are during pregnancy and lactation need more vitamin B2. Women need 1.6mg during pregnancy. During breastfeeding, women should take 1.8mg for the first 6 months and 1.7mg for the next 6 months;

People who do not eat lean meat and dairy products should increase the intake of vitamin B2;

People who have been in a state of stress for a long time need to supplement the amount of multivitamin b2;

People who have long-term dietary control due to ulcers or diabetes are more likely to suffer from vitamin B2 deficiency. (If you are suffering from a special disease and during the treatment, you must consult your doctor if you want to change the diet prescribed by your doctor);

The recommended daily intake for adults is 1.7 mg.

The symptoms of excessive replenishment

Excessive intake of B2 may cause itching, paralysis, nosebleeds, burning sensation, and stinging. If you are taking anticancer drugs, such as methotrexate, excessive B2 will reduce the effectiveness of these anticancer agents.


Vitamin B2 works synergistically with vitamin B6.

When taking high-calorie foods, you must take in more vitamin B2. Light is the natural enemy of vitamin B2 and should be avoided.

Taking vitamin B2 on an empty stomach, absorption is worse than taking it when eating, so it is advisable to take it immediately during or after eating.

B2 should not be combined with metoclopramide.

The urine was yellowish green after taking it.