Experiencing skin issues, eye sensitivity, or fatigue and want assessment of energy metabolism and riboflavin status for optimal cellular health?
The Vitamin B2 (Riboflavin) Blood Test measures levels of riboflavin, a vitamin that helps your body turn food into energy and supports healthy red blood cells. Low B2 can cause fatigue, mouth sores, cracked lips, and increase the risk of anaemia, while good levels help maintain energy and overall health.
You will be emailed a referral to take to your local collection centre. If you ever have any questions, we're here to help.
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How It Works
Getting your health measured shouldn't be hard! We're here to help you every step of the way.
1
Order a test
Order the private test that suits you and your goals. After ordering, you will receive your referral by email.
2
Collect the sample
Attend one of our 4000+ partner collection centres throughout Australia. Search locations.
3
Receive your results
View all your lab results in your secure health dashboard. Easy!
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Overview
The Vitamin B2 test measures riboflavin levels in your body—think of this vitamin as your cellular energy manager that helps convert the food you eat into usable fuel while also acting as a protective shield against harmful cellular damage. Riboflavin works behind the scenes to keep your skin glowing, your eyes healthy, and your nervous system running smoothly, making it essential for feeling energized and maintaining overall vitality.
This test becomes particularly valuable when you're experiencing unexplained fatigue, skin issues around your mouth or nose, eye sensitivity, or slow wound healing—all potential signs that your body's riboflavin levels might be running low. Whether you follow dietary restrictions, have digestive issues that affect nutrient absorption, or simply want to understand why you're feeling run down, measuring your B2 levels can help pinpoint whether this crucial vitamin is the missing piece in your health puzzle and guide you toward the right nutritional support.
Symptoms
Essential for individuals with skin disorders, eye problems, fatigue, or anyone needing comprehensive energy metabolism and antioxidant assessment.
Questions
Vitamin B2 (riboflavin) is essential for energy metabolism, antioxidant protection, healthy skin and eyes, red blood cell formation, and the metabolism of other vitamins.
Signs include skin problems (especially around mouth and nose), eye sensitivity, fatigue, cracks at corners of mouth, and poor wound healing.
Causes include poor dietary intake, malabsorption disorders, alcoholism, certain medications, increased needs during pregnancy or illness, and chronic diseases.
Good sources include dairy products, eggs, lean meats, fish, leafy greens, nuts, and fortified cereals, with light exposure reducing riboflavin content.
Daily requirements vary but generally range from 1.1-1.3mg for adults, with higher needs during pregnancy, breastfeeding, illness, or periods of high energy expenditure.
Yes, riboflavin is needed for the metabolism of other B vitamins, so deficiency can affect the utilization of vitamin B6, folate, and other nutrients.
Dr. Vu Tran Bloody Good’s Chief Medical Officer
Biomarkers
Vitamin B2 (Riboflavin)
How to prepare
No special preparation required. Inform healthcare provider of all B-vitamin supplements and medications that might affect riboflavin levels or metabolism.
After the test
Address riboflavin deficiency through appropriate supplementation, dietary improvements including riboflavin-rich foods, addressing underlying absorption issues, and regular monitoring to ensure adequate levels.
Your test results will be available in your private dashboard. If there are any urgent issues, we'll let you know so you can follow up with your health professional.
Understanding results
Results show riboflavin levels compared to normal ranges. Low levels indicate deficiency requiring supplementation and dietary improvements to support energy metabolism and cellular health.
Frequently Asked Questions
Most collection centres accept walk-ins. Some may require a booking - check details when you click on your chosen location.
If your test needs fasting, we’ll include that in your instructions after you order. Fasting usually means no food for 8–12 hours, but water is fine.
Just your pathology referral form (we email it to you)
Of course. Just maybe don’t bring the friend who faints at the sight of blood.
They’re the highly trained professionals who take your blood sample - with a steady hand and a sharp needle. They love blood, but don’t worry… they’re not vampires. Just legends who make blood tests quick, clean, and (almost) painless.
Some of our tests include Urine, Stool, Saliva and more. Each test will have a clear description on what sample you will need to give and instructions on how.
