Description
A vitamin B2, or riboflavin, blood test measures the amount of vitamin B2 in your blood. It's used to:
- Assess nutritional status: Check if you have a deficiency or are at risk
- Monitor health conditions: Track how well your body absorbs and metabolizes riboflavin
- Diagnose deficiency: Confirm a deficiency if you have symptoms or other health conditions
- Guide health interventions: Use the results to help with your health care
Why might you need a vitamin B2 blood test?
- You have symptoms of a deficiency, such as:
- Itchy or burning eyes
- Light sensitivity
- Sore tongue
- Itchy or peeling skin on the nose or scrotum
- Sores in the mouth
- You have a condition that affects riboflavin absorption or metabolism, such as:
- Gastrointestinal disorders
- Alcoholism
- Liver disorders
- Celiac or Crohn's disease
- Malabsorption syndrome
Fasting not required.
