Water-Soluble VitaminEnergy & SkinMetabolism


B2
Riboflavin

Vitamin Navigator

Vitamin B2:
Energy, Skin & Metabolism Support

A quick customer guide to what Vitamin B2 does, where it comes from, common forms, and the safety basics to check before choosing a supplement.

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This Vitamin B2 profile is built as a quick stop inside the Vitamin Navigator. It gives customers the plain-English essentials first, without turning into a full article.
RiboflavinRiboflavin-5-PhosphateB Complex
At a Glance
  • Vitamin B2 supports energy production and normal cellular function.
  • It helps the body process fats, proteins and carbohydrates.
  • Riboflavin contributes to skin, eye and mucous membrane health.
  • Common forms include riboflavin and riboflavin-5-phosphate.
  • Bright yellow urine can occur with riboflavin and is usually harmless.

Written by GhamaHealth Editorial Team | Reviewed: 19 June 2026


Vitamin B2, also known as riboflavin, supports energy metabolism and helps maintain normal skin, eyes and general cellular function. It is water-soluble, so steady intake matters.

Support

What Vitamin B2 does

Vitamin B2 acts as part of coenzymes involved in energy production and antioxidant pathways. It is often included in B-complex formulas for general metabolic support.

Energy pathways

Supports normal energy metabolism inside cells.

Skin & eyes

Helps maintain skin, eye and mucous membrane health.

Antioxidant context

Works with enzymes involved in oxidative stress balance.

Sources

Where Vitamin B2 comes from

Riboflavin is found in dairy foods, eggs, lean meats, fish, almonds, mushrooms and green vegetables. Some cereals and grains may also be fortified.

Dairy & eggs

Milk, yoghurt, cheese and eggs are common sources.

Protein foods

Meat, fish and almonds can contribute.

Supplements

Often included in B-complex, multivitamin and energy-support formulas.

Forms

Common supplement forms

Most Vitamin B2 products use riboflavin or riboflavin-5-phosphate. Check the form, dose and whether the product is standalone or part of a broader B formula.

Riboflavin

The standard supplemental form used in many multivitamins and B-complex products.

Riboflavin-5-phosphate

An active coenzyme form often used in practitioner-style formulas.

B-complex formulas

May suit customers needing broader B-vitamin coverage.

Specialised formulas

Sometimes included in eye, energy or migraine-support formulas.

Safety

When to be careful

Vitamin B2 is generally well tolerated, but high-dose or targeted use should still match the person and the purpose.

Expect colour change

Riboflavin can turn urine bright yellow; this is a known effect.

Check duplicate formulas

B2 may be present in multivitamins, B-complex products and energy formulas.

Seek advice when needed

Speak with a healthcare professional if pregnant, breastfeeding, using high-dose products or managing complex health conditions.




A final note

Important Information

Disclaimer

This Vitamin B2 profile provides general educational information only and does not replace personalised medical advice, diagnosis or treatment. Supplements should not replace medical care, prescribed treatment or personalised dietary advice.

Speak with a qualified healthcare professional before using Vitamin B2 supplements if you are pregnant, breastfeeding, taking medication, managing a diagnosed condition, using multiple supplements, buying for children or unsure whether a product is suitable.

Always read the label, follow the directions for use and review warnings before use. Stop use and seek medical advice if unexpected symptoms occur, or if symptoms persist, worsen or change unexpectedly.

For our full Health Disclaimer & Liability Notice, please visit: Health Disclaimer.

References
  1. Better Health Channel. Vitamin B. Retrieved 19 June 2026. View source.
  2. NIH Office of Dietary Supplements. Riboflavin Fact Sheet. Retrieved 19 June 2026. View source.
  3. Eat for Health. Nutrient Reference Values: Riboflavin. Retrieved 19 June 2026. View source.