Vitamin B2 Riboflavin

Vitamin B2 Riboflavin Uses and Interactions

Vitamin B2 Riboflavin Uses - warnings - foodsVitamin B2 Riboflavin is needed by the body to break down proteins, fats and carbohydrates. Additionally it enables the body to use oxygen, a crucial component for bodily function and life. Without oxygen assimilation, the body is unable to survive. Riboflavin is often used in combination with other B vitamins in a B vitamin complex.

Symptoms of B2 deficiency can be sore tongue, sensitivity to light, burning eyes, sores in the mouth, additionally, itching and peeling skin on the nose and scrotum.

Where do humans get B2 Riboflavin?

Humans acquire riboflavin from consuming dairy products, fish, green leafy vegetables such as spinach but also asparagus and broccoli, milk, whole grain cereals and breads. Fresh fruits and vegetables are the best source and only minor loss of riboflavin occurs when foods are cooked.

What are its uses?

Vitamin B2 is used in the treatment of conditions that include alcoholism cancer, burns, liver disease, intestinal diseases, overactive thyroid, continuing fever, illness, diarrhea and stress.

Vitamin B2 has been used in the following unproven treatments of acne, some kinds of anemia, muscle cramps, aging, immune boosting, canker sores, memory loss / Alzheimer's disease, and migraine headaches. There is also evidence that people who absorb riboflavin through their diets seem to have a lower risk of developing cataracts.

What are the interaction precautions of riboflavin?

  • Tetracycline antibiotics can be affected by B2 riboflavin intake by decreasing the absorption, thus decreasing its effectiveness. To avoid this, take riboflavin 2 hours before or 4 hours after taking tetracycline.
  • Large amounts of anti-depressant medications can decrease the amount of riboflavin in the body. This is only a concern in high dosages.
  • Phenobarbital possibly increases the speed in which riboflavin is broken down.
  • Probenecid might cause there to be too much riboflavin in the body, but the level of concern is unknown.
  • Inform your doctor of all prescription or OTC drugs that you are currently taking and consult before starting new drugs.

Herbs and Dietary Supplement Interactions

In healthy women, blond psyllium reduces absorption of riboflavin from supplements.

Boric acid, a form of boron, can reduce the solubility of riboflavin in water and might reduce absorption.

Persons with a condition known as methylenetetrahydrofolate reductase deficiency (MTHFR), taking folic acid can make riboflavin deficiency worse.

Riboflavin supplements appear to improve the way iron supplements work in iron deficient people.

Before undertaking B2 supplementation, consult your healthcare professional and trained homeopathic council for recommendations and safety precautions.



Inform your doctor if you have previously had any unusual or allergic reaction to vitamin B2/Riboflavin or other medicines. Follow your healthcare professional’s instructions for safely taking the supplement.

There have been no problems in usage reported for children or elderly persons.

All people with a known allergy or sensitivity to any parts of Riboflavin supplements should avoid riboflavin supplements.

Side Effects and Warnings

Riboflavin has no common side effects other than in high doses can cause urine to darken. High doses can cause diarrhea and increased urination.

Seek emergency medical help if you have any of the following signs, hives, difficulty breathing, and swelling of your face, lips, tongue, or throat. These are signs of an allergic reaction:

Use riboflavin as directed on the label, or as your healthcare provider has prescribed. Do not use this product in larger amounts or for longer than instructed or recommended.

Pregnancy and Breastfeeding

To date, studies suggest minimal risk to infants’ breastfeeding while mothers are taking riboflavin supplement. The recommended dose for pregnant women is 1.4mg per day. The recommended dosage for breastfeeding women is 1.6mg per day.

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