Vitamin B2

Vitamin B2 (also known as riboflavin) is one of the many B vitamins. This vitamin plays a crucial role in releasing energy for your body from carbohydrates, proteins, and fats. It used to be believed that there was only one vitamin B, but that turned out not to be the case. Hence, each B vitamin has its own number. Below, we'll tell you how much vitamin B2 you need, how to ensure an adequate intake, and more.

Found in
Bread and grain products, vegetables, meat and meat products, dairy
Sodium riboflavin-5-phosphate
Aanbevolen dagelijkse hoeveelheid
Between 1.2 -1.5 per day. More is recommended for breastfeeding women. One Guud Flow capsule contains 1.4 mg vitamin B2.
Maximum daily amount No acceptable upper limit has been established for this vitamin. In these cases, a maximum of 5 times the recommended daily amount is used.

Guud for...

  • Energy
  • Skin
  • Fatigue
Vitamin B2 contributes, among other things, to:
  • The maintenance of normal red blood cells
  • A normal energy-yielding metabolism
  • The maintenance of normal vision
  • The maintenance of normal skin
  • A normal iron metabolism
  • The protection of cells from oxidative damage
  • The maintenance of normal mucous membranes
  • The reduction of tiredness and fatigue
  • The normal functioning of the nervous system
What does vitamin B2 do in your body?

Vitamin B2 is involved in the metabolism of fatty acids, carbohydrates, and proteins, playing a key role in energy production.

How do you know if you have a vitamin B2 deficiency?

A deficiency in vitamin B2 can cause various symptoms such as:

  • skin abnormalities around the mouth and tongue
  • inflammation in the nose

These symptoms may also indicate other deficiencies or issues, so always consult a doctor if you experience them persistently or have concerns.

What foods contain vitamin B2?

B-vitamins are water-soluble vitamins, meaning they are found in the fluid of foods. They are immediately absorbed into your blood, and if your body does not need them at that time, they are excreted immediately. Therefore, you need to consume vitamin B2 regularly. You can find plenty of vitamin B2 in bread and grain products, potatoes, vegetables, meat and meat products, milk, and dairy products.

How much vitamin B2 can I take?

No upper limit has been established for vitamin B2. Generally, a guideline of up to 5 times the recommended daily amount is followed, approximately 5 mg.

One capsule of Guud Flow contains 1.4 mg of vitamin B2.

How long can I take vitamin B2?

Whether and how long you can take vitamin B2 depends on your individual needs and personal situation. There are no known negative health effects of excess vitamin B2. Ensure you get enough vitamin B2 through your diet and supplement your diet further if necessary. Consult a doctor if you suspect a vitamin B2 deficiency and want personalized advice.

Vitamin B2 belongs to a group of yellow pigments, the flavins. When you excrete excess vitamin B2, your urine will have a characteristic bright yellow color.

Vitamin B2 and science

The health benefits of vitamin B2 have been scientifically researched and proven. Below you will find some of the studies and guidelines on which we have relied during the research and development of our supplements:

Riboflavin in Human Health: A Review of Current Evidences

Dietary intakes of vitamins B2, B6, and B12 and ovarian cycle function among premenopausal women

Prophylaxis of migraine headaches with riboflavin: A systematic review

Riboflavin: The Health Benefits of a Forgotten Natural Vitamin

EU-approved health claims