Marylebone Diagnostic Centre clinic, 73 Baker Street, London
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Vitamins in London

Marylebone Diagnostic Centre, Baker Street

Learn about all the vitamins tests we provide

Vitamin Testing Services

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!

Vitamin Profiles & Screens

Check several vitamins (and minerals) in one blood draw.

£119.00
Vitamin Profile
Profile
MLVIT
  • Vitamin D, Vitamin B12 and Folate in one blood test
  • Covers three of the most commonly checked nutrients

A practical first check if you feel tired or run down, follow a restricted diet, or are planning a pregnancy.

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£350.00
Vitamin Screen
Screen
MLVITS
  • Includes: Vitamin B1 (Thiamine), Vitamin B2, Vitamin B6 (Pyridoxine), Beta-Carotene, Vitamin A (Retinol), Vitamin C and Vitamin E (Alpha Tocopherol)
  • A wider look at vitamins that are not covered by the Vitamin Profile

For a broader assessment of your nutritional status.

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£299.00
Comprehensive Vitamins & Minerals Profile
Vitamins & Minerals
MLCVM
  • Includes: Vitamin B12 (Total), Vitamin D, Folate, Iron, Magnesium, Calcium, Phosphate, Copper, Zinc, Electrolytes and Homocysteine
  • Combines key vitamins with essential minerals in one profile

For a full picture of vitamins and minerals rather than vitamins alone.

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Fat-Soluble Vitamins (A, D and E)

These vitamins are stored in the body, so levels can be too low or, with high-dose supplements, too high.

£109.00
Vitamin A (Retinol)
Fat-soluble
MLVTA
  • Measures the level of retinol (vitamin A) in your blood
  • Vitamin A supports vision, immune function and healthy skin

Useful if you have a restricted diet or a condition affecting fat absorption, or take high-dose vitamin A supplements.

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£69.00
Vitamin D (25-OH)
Fat-soluble
MLVTD
  • Measures 25-hydroxy vitamin D, the main marker of your vitamin D status
  • Vitamin D supports bones, muscles and the immune system

A common test for low mood, fatigue, bone or muscle aches, limited sun exposure, or when taking vitamin D supplements.

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£119.00
Vitamin D (1,25 Dihydroxy)
Fat-soluble
MLD3
  • Measures 1,25-dihydroxy vitamin D, the active hormone form of vitamin D
  • Normally requested to investigate calcium, parathyroid or kidney-related conditions

This is not the usual test for checking vitamin D status; for that, choose Vitamin D (25-OH).

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£109.00
Vitamin E (Alpha Tocopherol)
Fat-soluble
MLVTE
  • Measures alpha-tocopherol, the main form of vitamin E in the body
  • Vitamin E works as an antioxidant that protects cells

Low levels are uncommon and usually linked to problems absorbing fat; also useful if taking high-dose supplements.

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B-Vitamins & Folate

The B-complex vitamins help your body release energy from food and keep nerves and blood cells healthy.

£109.00
Vitamin B1 (Thiamine)
B-complex
MLVT1
  • Measures thiamine (vitamin B1) levels
  • Needed to turn carbohydrates into energy and for normal nerve function

Relevant if you have a poor diet, drink heavily or have a condition that affects absorption.

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£99.00
Vitamin B2 (Riboflavin)
B-complex
MLVB2
  • Measures riboflavin (vitamin B2) levels
  • Supports energy release from food and healthy skin and eyes

Helpful when assessing your overall B-vitamin status.

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£99.00
Vitamin B3 (Niacin; Nicotinamide)
B-complex
MLVB3
  • Measures niacin / nicotinamide (vitamin B3) levels
  • Supports energy release, skin, and the nervous and digestive systems

Helpful when assessing your overall B-vitamin status.

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£129.00
Vitamin B5 (Pantothenic Acid)
B-complex
MLVB5
  • Measures pantothenic acid (vitamin B5) levels
  • Needed to make coenzyme A, which is involved in energy metabolism

Helpful when assessing your overall B-vitamin status.

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£119.00
Vitamin B6 (Pyridoxine)
B-complex
MLVB6
  • Measures pyridoxine (vitamin B6) levels
  • Involved in protein metabolism, red blood cell production and brain chemistry

Useful to check for a deficiency, or if you take B6 supplements, as very high long-term intake can also cause problems.

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£149.00
Vitamin B7 (Biotin; Vitamin H)
B-complex
MLVB7
  • Measures biotin (vitamin B7) levels
  • Helps the body break down fats, carbohydrates and proteins

Often checked by people taking biotin supplements or concerned about hair, skin or nail health.

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£79.00
Vitamin B12 (Active)
B-complex
MLV12
  • Measures active B12 (holotranscobalamin), the form available to your cells
  • B12 is essential for nerves, red blood cells and DNA production

Often used when a total B12 result is borderline or hard to interpret.

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£69.00
Vitamin B12 (Total)
B-complex
MLB12
  • Measures total vitamin B12 in your blood
  • B12 is essential for nerves, red blood cells and DNA production

Suitable for tiredness, tingling, anaemia, a vegetarian or vegan diet, or long-term use of some medicines (e.g. metformin or acid-reducing drugs).

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£69.00
Folate (Serum)
Folate (B9)
MLFOL
  • Measures folate (vitamin B9) in the blood serum
  • Folate is needed to make DNA and healthy red blood cells, and is important before and during early pregnancy

Reflects recent folate intake.

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£70.00
Folate (Red Cell)
Folate (B9)
MLRCF
  • Measures folate stored within your red blood cells
  • Gives a longer-term picture of folate status than a serum test

Often chosen when planning a pregnancy or when a longer-term view of folate is needed.

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Vitamin C

£119.00
Vitamin C (Ascorbic Acid)
Water-soluble
MLVTC
  • Measures ascorbic acid (vitamin C) levels
  • Needed for collagen production, wound healing, iron absorption and immune function

Useful if your diet is low in fruit and vegetables, or you smoke or have a condition that affects absorption.

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Explore All Our Blood Tests

Looking for something else? Browse our full range of private blood tests and health profiles at our Baker Street clinic.

View All Blood Tests