• Vitamin B7 Test (Biotin) - The National Blood Test Clinic
  • Vitamin B7 Test (Biotin) - The National Blood Test Clinic
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Vitamin B7 Test (Biotin)

Vitamin B7 Test (Biotin)

£69.00 GBP
£69.00 GBP
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VIB7

Biotin supports healthy hair, skin, nails, and energy metabolism. Deficiency, though uncommon, may cause hair thinning, brittle nails, or skin rashes. The Biotin test measures blood levels to detect deficiency or imbalances.

Why Vitamin B7 Test Matters?

Since biotin is linked to hair and skin health, testing helps clarify whether low levels are contributing to visible concerns. It also supports the diagnosis of metabolic or nutritional issues.

What Gets Assessed?

  • Vitamin B7 (Biotin)

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FAQs

What does the Biotin test measure?

The Biotin (Vitamin B7) test measures the amount of biotin present in your blood. Biotin is a water-soluble vitamin that plays an important role in energy production, metabolism of fats and carbohydrates, and maintaining healthy hair, skin, and nails. 

Who should consider this test?

This test may be particularly useful for people experiencing persistent hair loss, brittle nails, recurring skin rashes, or unexplained fatigue. It is also recommended for those with restrictive diets, people on long-term anticonvulsant therapy, or individuals having inflammatory bowel disease.

What are the symptoms of B7 deficiency?

Biotin deficiency is rare but can cause noticeable issues. Common symptoms include thinning or loss of hair, red and scaly skin rashes (often around the eyes, nose, and mouth), fatigue, irritability, and tingling in the hands and feet. 

Can supplements improve levels?

Yes. Biotin supplements, often found in hair and nail formulas, can restore low levels and support overall health.

Are biotin supplements safe?

For most people, biotin supplements are safe when taken at recommended doses. However, very high doses may interfere with certain blood tests, particularly those measuring thyroid, heart, or hormone function, leading to inaccurate results.