Lab
Magnesium RBC
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Magnesium, Red Blood Cell
An RBC magnesium test measures the magnesium levels inside red blood cells, offering a more accurate picture of long-term magnesium status compared to standard serum tests. This test is helpful for identifying deficiencies that can impact energy production, muscle function, and overall cellular health.
What to Expect
Root labs are drawn at Quest Labs available nationwide. Fasting is required for most labs. Please check for a location near you before purchasing.
Details
Results
The turnaround time for results and Root doctor insights is typically 3–4 weeks post-draw. Once ready, the Root team will upload them to your personal Root dashboard and alert you for viewing.
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