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Complete Vitamin Testing at Your Fingertips
Assess Your Nutritional Health with Our Trusted Tests

We provide reliable vitamin testing for A, B-complex (B1–B12), C, D, E, and Folate. Choose from our curated Vitamin Profile or comprehensive Vitamin Screen to understand your body’s needs better.

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Check Your Vitamin Levels with Confidence
Comprehensive Vitamin Deficiency Testing Made Simple

Test for essential vitamins including A, B-complex, C, D, E, and Folate. Choose from our Vitamin Profile or Vitamin Screen to assess your nutritional status and take control of your health today.

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Personalized Health Starts Here
Accurate Vitamin Testing for Targeted Nutrition

Find out exactly which vitamins your body lacks. We offer tests for Vitamin A, B1–B12, C, D, E, and Folate. Choose a full Vitamin Profile or a targeted Vitamin Screen—because your health deserves precision.

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Don’t Guess, Test Your Health
Vitamin Blood Tests to Detect Deficiencies Early

Identify vitamin deficiencies before they impact your health. Our lab tests cover Vitamins A, B-complex, C, D, E, and Folate. Early detection means better prevention. Book your test today.

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Feeling tired or unwell?
IV Therapy in London for Vitamin Deficiency

A Marylebone Diagnostic Centre, If your results show a deficiency, we can provide IV treatment to help restore your health faster - safely and professional

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Vitamins Deficiency Tests We Offer

Ensure your body gets the essential vitamins it needs with our Vitamin Testing Services. We offer individual tests for Vitamin A, B-complex (B1, B2, B3, B5, B6, B7, B12), C, D, and E, along with Folate (Red Cell) analysis. Choose from our Vitamin Profile (Vitamin D, B12, Folate) or Vitamin Screen (A, B6, B12, D, E, Folate) for a complete assessment of your nutritional status. Stay healthy with precise testing today!

£89

Vitamin A (Retinol)

Supports vision, skin, and immune health.

£99

Vitamin B1 (Thiamine)

Essential for nerve function and energy metabolism

£69

Vitamin B12 (Active)

Helps prevent fatigue, brain fog, and anemia.

£49

Vitamin B12 (Total)

Comprehensive Vitamin B12 levels screening

£99

Vitamin B2 (Riboflavin)

Supports skin, eyes, and energy production

£119

Vitamin B3 (Niacin; Nicotinamide)

Helps manage cholesterol and supports skin health

£119

Vitamin B5 (Pantothenic Acid)

Involved in hormone production and hair health.

£110

Vitamin B6 (Pyridoxine)

Vital for nerves, mood balance, and metabolism

£119

Vitamin B7 (Biotin; Vitamin H)

Helps strengthen and support healthy hair, skin, and nails

£119

Vitamin C (Ascorbic Acid)

Boosts immunity and aids in tissue repair.

£89

Vitamin D (1, 25 Dihydroxy)

Active form, important for calcium absorption and hormones

£49

Vitamin D (25-OH)

Standard vitamin D screening for deficiency

£79

Vitamin E (Alpha Tocopherol)

An antioxidant that supports cell protection and immunity

£59

Folate (Red Cell)

Important for red blood cells and pregnancy health

£89

Vitamin Profile

Comprehensive panel covering multiple vitamin levels

£349

Vitamin Screen

A quick general screening to detect possible vitamin deficiencies

Why choose us?

Experienced Professionals ​

Our certified medical team ensures safe and effective Vitamin Deficiency Test.

Fully Certified Lab

All tests are processed in UK-accredited labs for accuracy and reliability.

Fast Turnaround

Get results within 1–2 working days, sent securely via email or patient portal.

Top 7 Vitamins Your Body Needs and Where to Get Them

Many people feel tired, get sick easily, or struggle with low energy—without realizing the cause could be a simple vitamin deficiency. In this article, we break down the 7 most essential vitamins for your health, signs you’re lacking them, and how to find out through a simple blood test. Whether you’re focused on immunity, energy, or wellness, this guide will help you take control of your health starting today.

About Us

Enhance Your Healthcare Experience with Marylebone Diagnostic Centre.

Marylebone Diagnostic Centre offers fast, reliable health checks and private diagnostics from our clinic on Baker Street. We serve both local and international clients with care, precision, and a modern approach to healthcare.

With our in-house lab and access to top medical specialists and private hospitals, we handle everything—from testing to results—quickly and professionally. Whether you’re an individual or part of a large organisation, we’re here to make healthcare simple, seamless, and built around you.

What Our Client Say

Fabri p.

“So pleased by it!
Staff is friendly and very professional, they answered all questions with a smile, make you feel comfortable and most important the result came within 48 hours. I will deffo recommend Marylebone Diagnostic”

Alina Menkina

“have appreciated the speed and efficiency of the process, same day results, staff are on it. always accommodating and helpful.”

Dani Tognin

“I would like to say thank you so much for the excellent service.”

Marylebone Diagnostic Centre is registered with and regulated by the Care Quality Commission.
Certificate number: CRT1-20711334119

Contact Us

Our Opening Hours:
Mon – Sat:
8:00 AM – 4:00PM
Sun: Closed

020 77 240 540

07495 970 109

73 Baker Street, London, W1U 6RD

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