- Vitamins & Minerals
Magnesium Blood Test
A magnesium blood test measuring the level of this mineral in your blood. It suits people with muscle cramps or tiredness, and those taking supplements or medicines that affect magnesium.
What this test is for
This magnesium blood test measures the amount of magnesium in serum, the liquid part of your blood. Magnesium is a mineral that helps muscles and nerves work. It also plays a part in how your body uses energy and builds bone.
People who get muscle cramps or twitches, feel tired, or train hard often choose it. It also suits anyone taking supplements or long term medicines that can change magnesium levels. You can book it in our Hull clinic, arrange a nurse visit or use a home kit.
Your result is shown against its reference range. Most magnesium is stored in bones and cells, so a blood level gives only part of the picture. A result outside the range can prompt a look at diet or supplements, a repeat test, or a conversation with your GP.
- 24–48h turnaround
- Free return postage
- NHS-standard laboratory
Book at our clinic
£71
One-off purchase · no subscriptionBase £51 + £20 collection
How would you like to take your sample?
- Free tracked delivery
- Free return postage included
- Results in 24–48h
- Digital results with explanation
Your results are reviewed by our clinical team and delivered securely. All tests use NHS-standard laboratories.
Biomarkers included
1 marker measured
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