Inflammation of the gums to eat vitamin B₂ is not effective, inflammation of the gums is mainly bacterial calculus stimulation of the gums to produce redness, swelling and bleeding symptoms, should be improved through the cleaning, vitamin B₂ has no effect.
Gum inflammation is due to brushing is not thorough, oral hygiene conditions are poor so that food debris and bacteria gathered after a long time to form dental calculus. The calculus can not be removed by brushing, so it will always irritate the gums, thus making the gums appear red and swollen with bleeding. Vitamin B₂ is generally used for diseases such as stomatitis and labial inflammation, but has no effect on gum inflammation.
In summary, vitamin B2 supplementation is not a cure for inflammation of the gums, and inflammation of the gums should be improved by going to your local dental clinic for a cleaning.