Vitamin B2 (Flavinadeninedinucleotide), EDTA Whole Blood

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Includes 1 Parameter
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Rs.4110
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Sample Type
  • Blood
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Test Code
#AL048
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Fasting
No
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Report within
5 Days

The Vitamin B2 test measures Flavin Adenine Dinucleotide (FAD) levels in EDTA whole blood. FAD is the active coenzyme form of Vitamin B2 (Riboflavin) and plays a vital role in energy production, carbohydrate and protein metabolism, red blood cell function, maintaining healthy skin and vision, and supporting antioxidant activity.

Low Vitamin B2 levels can lead to fatigue, cracked lips, weakness, poor appetite, skin issues, and metabolic disturbances.

At Torrent Diagnostics, the test is performed using Global Standard biochemical assays, ensuring accurate detection of Vitamin B2 deficiency for early treatment.

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Why is the Vitamin B2 Test Done?

Detecting Riboflavin Deficiency

The Vitamin B2 (FAD) test helps diagnose:

  • Nutritional deficiency
  • Malabsorption disorders
  • Chronic fatigue due to metabolic slowdown
  • Skin, mucosal, and oral lesions from B2 deficiency
  • Combined B-vitamin deficiencies (B2 + B6 + B12)

Supporting Metabolic and Energy Assessment

Vitamin B2 is essential for mitochondrial function and energy generation.

A deficiency may contribute to:

  • Exercise intolerance
  • Chronic tiredness
  • Poor nutrient utilization
  • Headaches and migraines
  • Doctors may recommend this test when energy metabolism disorders are suspected.

Evaluating Chronic Nutritional Problems

Low B2 levels are common in:
  • Poor dietary intake
  • Chronic illness
  • Elderly individuals
  • People with restricted diets
The test provides clarity on long-term nutritional status.
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Who Should Get a Vitamin B2 (FAD) Test?

Symptoms That Indicate Testing

You may need the Vitamin B2 test if you have:

  • Cracks at mouth corners
  • Sore throat
  • Dry skin or rashes
  • Eye irritation or sensitivity to light
  • Fatigue and weakness
  • Poor appetite
  • Numbness or tingling
  • Migraine-like symptoms

High-Risk Groups

Testing is recommended for:
  • People with chronic malnutrition
  • Pregnant Women
  • Individuals with digestive disorders
  • Elderly patients
  • Patients Undergoing Bariatric Surgery
  • Vegetarians with limited dairy intake
  • People on long-term restricted diets
  • Individuals with alcohol dependence
  • Patients with metabolic disorders
  • Those on prolonged antibiotics
Monitoring Treatment Effectiveness
Vitamin B2 deficiency treatment may involve:
  • Dietary improvement
  • Supplementation
  • Treating underlying malabsorption
  • Your doctor may repeat the B2 test to track improvement.
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How to Read Vitamin B2 (FAD) Test Results

Normal FAD Values

(Ranges vary by method and laboratory)
Level Category Reference Range
Normal > 200 nmol/L (varies by technique)
Borderline 150-200 nmol/L
Low / Deficient < 150 nmol/L
(Note: Actual values will be based on Torrent Diagnostics method calibration.)

Low Vitamin B2 Levels May Indicate

  • Dietary deficiency
  • Alcohol dependence
  • Malabsorption (celiac disease, Crohn’s disease)
  • Chronic illness
  • Liver disease
  • Long-term medication use
  • Additional tests may include:
  • Vitamin B6
  • Vitamin B12
  • Folate
  • Homocysteine
  • Complete Blood Count (CBC)

Factors Influencing Vitamin B2 Levels

May reduce levels:

  • Pregnancy
  • Poor diet
  • Prolonged antibiotics
  • Oral contraceptives
  • Chronic alcoholism
  • Malabsorption
  • Aging

May increase levels:

  • Recent supplementation
  • Certain metabolic disorders
  • Your doctor will interpret the results based on symptoms and medical history.
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What to Ask the Doctor?

  • Are my symptoms due to Vitamin B2 deficiency?
  • Do I need dietary changes or supplements?
  • How long will recovery take?
  • Do I need tests for other B-vitamins as well?
  • Are my medications affecting my Vitamin B2 levels?
  • Should I retest after treatment?
How our test process works!
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STEP 01
Identity Verified at Every Step
Verified identity at every step to eliminate sample mix-ups
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STEP 02
Sterile, Barcoded Collection
Sterile, barcoded collection to maintain sample integrity
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STEP 03
Expert-Led Sample Collection
Trained professionals ensuring safe, accurate, and comfortable collection

FAQs To Help You Know Better

What is the Vitamin B2 (FAD) test?
It measures the active form of Vitamin B2 (FAD) in the blood to detect deficiency
Do I need to fast for the Vitamin B2 test?
No fasting is required, but your doctor may advise morning collection.
Why is EDTA whole blood used?
Because FAD is mainly stored inside red blood cells, EDTA whole blood gives more accurate readings.
What are symptoms of Vitamin B2 deficiency?
Cracked lips, sore throat, skin issues, fatigue, poor appetite, and eye irritation.
Can I take supplements before the test?
It’s best to Avoid supplements 24-48 hours before the test unless advised otherwise.
Is Vitamin B2 deficiency serious?
If untreated, it can affect metabolism, skin health, and energy levels.
How soon will I get my results?
Usually same-day reporting.
Can I book the Vitamin B2 test online?
Yes, the test can be booked online with home sample collection.
Who is most at risk for low Vitamin B2 levels?
Vegetarians, elderly individuals, people with digestive problems, and those with poor diets.
How is the deficiency treated?
Through diet changes and supplements-your doctor will choose the best plan.
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