Vitamin B2

  • 100 mg, 100 capsules
  • Item # 54131

Vitamin B2

  • 100 mg, 100 capsules
  • Item # 54131

Riboflavin (vitamin B2) is used by the body in metabolic processes related to fats, carbohydrates and proteins. Riboflavin got its name from ribose, a sugar that, in one of its forms, comprises part of the vitamin's structure, and flavin, which accounts for vitamin B2's yellow color (and which is the cause of the bright yellow color observed in the urine following the intake of vitamin B complex supplements). The United States and other countries fortify white flour with riboflavin, making overt deficiency rare, although subclinical deficiencies often exist.  Riboflavin deficiency, known as ariboflavinosis, is usually accompanied by a deficiency in other members of the B complex. Because it is water soluble, excess riboflavin beyond the body’s immediate needs is rapidly excreted in the urine, rendering it necessary to replenish the vitamin on a frequent basis.

Vitamin B2 is needed by the entire body, including the eyes. Deficiency also shows up in the lips and tongue.

Benefits at a glance:


  • Is an essential member of the vitamin B complex
  • Supports eye health1
  • Helps maintain head cavity comfort2,3
  • Supports healthy homocysteine levels4

Bluebonnet’s Vitamin B2 100 mg Capsules contain riboflavin (B2) in its crystalline form. It is suggested to supplement one’s diet with all members of the B complex when supplementing with vitamin B2.

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Frequently Bought Together

  • This Item: Vitamin B2, 100 mg, 100 capsules
  • Pantothenic Acid, 500 mg, 100 vegetarian capsules

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  1. Kuzniarz M et al. Am J Ophthalmol 2001 Jul;132(1):19-26.
  2. Schoenen J et al. Cephalalgia. 1994 Oct;14(5):328-9.
  3. Boehnke C et al. Eur J Neurol. 2004 Jul;11(7):475-7.
  4. Tavares NR et al. J Nutr Health Aging. 2009 May;13(5):441-6.

Serving Size 1 capsule

Servings Per Container 100

Amount Per Serving

Vitamin B2 (as riboflavin)

100 mg

Other ingredients: Kosher vegetable capsules, vegetable cellulose, vegetable magnesium stearate.

Free of: milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybeans, corn, yeast, gluten, barley, rice, sodium and sugar. 


Dosage and Use
  • As a dietary supplement take one capsule daily, preferably with a meal or as directed by a healthcare practitioner.

If you are pregnant, nursing, taking any medication or have a medical condition, please consult your healthcare practitioner before taking any dietary supplement. Discontinue use and consult your healthcare practitioner if any adverse reactions occur. Keep out of reach of children. Store in a cool, dry place. Do not use if outer bottle seal is missing, torn or damaged in any way.

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Life Extension. We do not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer.

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