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Keep track of your magnesium levels with our at-home blood test. This essential mineral plays a crucial role in various bodily functions, from supporting muscle and nerve function to maintaining a healthy heart rhythm.
Essential mineral found inside all our cells
Feeling fatigued, experiencing muscle cramps, or struggling with low energy? Magnesium is essential for muscle function, nerve signalling, and heart health, but low levels can often go unnoticed.
Intracellular measurement of magnesium
Compare magnesium test tests feature by feature across all providers.
| Feature | Forth Magnesium (MG) Home Blood Test Kit | Blue Horizon Medicals Magnesium (Serum) | Medichecks Magnesium (serum) Blood Test | Blue Horizon Medicals Whole Blood Magnesium |
|---|---|---|---|---|
| ProjectScreen score | Not rated | Not rated | Not rated | Not rated |
| Price | £45.00 | £45.25 | £55.00 | £136.25 |
| Biomarkers Count | 1 | 1 | 1 | 1 |
| At Home | ||||
| Doctor Reviewed | ||||
| Turnaround Min Days | 2 days | 1 days | 3 days | 10 days |
| Turnaround Max Days | 2 days | 1 days | 3 days | 10 days |
| Sample Type | Blood | Blood | Blood | Blood |
| Collection Model | At-home finger-prick kit or at-home AutoDraw device or home nurse visit or venous draw at a partner | At-home finger-prick or Tasso autodraw or venous draw at clinic or nurse home visit | At-home finger-prick or in-store clinic or home nurse visit or venous draw at clinic | Venous draw at clinic or nurse home visit |
| Gender Focus | Both | Both | Both | Both |
| Subscription Available | ||||
| href="https://www.forthwithlife.co.uk/products/magnesium-home-blood-test-kit/" class="btn btn--primary btn--sm" rel="nofollow noopener sponsored" target="_blank" aria-label="Buy Magnesium (MG) Home Blood Test Kit" > Buy now Full review | href="https://www.bluehorizonbloodtests.co.uk/products/magnesium-serum" class="btn btn--primary btn--sm" rel="nofollow noopener sponsored" target="_blank" aria-label="Buy Magnesium (Serum)" > Buy now Full review | href="https://www.medichecks.com/products/magnesium-serum-blood-test" class="btn btn--primary btn--sm" rel="nofollow noopener sponsored" target="_blank" aria-label="Buy Magnesium (serum) Blood Test" > Buy now Full review | href="https://www.bluehorizonbloodtests.co.uk/products/whole-blood-magnesium" class="btn btn--primary btn--sm" rel="nofollow noopener sponsored" target="_blank" aria-label="Buy Whole Blood Magnesium" > Buy now Full review |
Our editorial team independently evaluates each test in this group using our structured scoring framework. Scores reflect accuracy, clinical credibility, value for money, turnaround time and reporting quality. Prices are updated regularly from provider listings. We may earn a commission if you purchase through our links — this never influences our rankings or scores.
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