Micronutrient, Magnesium, RBC Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	Coming soon	$15.49
Results in	—	~5 business days
Sample type	—	Blood Whole Blood
Require fasting	—	No

About the test

Magnesium is a crucial trace element in our body. A deficiency in magnesium can lead to a variety of health issues, including irritability, muscle and nerve problems, as well as heart and kidney damage. On the other hand, too much magnesium can cause problems like muscle weakness, difficulty breathing, and even heart issues.

Who might consider it:

This test is suitable for individuals experiencing symptoms of either magnesium deficiency or excess.

Magnesium Deficiency Symptoms:

Irritability
Muscle and nerve issues
Heart irregularities
Kidney damage

Magnesium Excess Symptoms:

Weak muscles
Difficulty breathing
Heart problems

Included biomarkers & Reference ranges

Biomarker	Reference range
Magnesium RBC Measures magnesium stored inside red blood cells, considered a more accurate reflection of your body's magnesium status than a standard serum test.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

Preparation

Patient should refrain from taking vitamins, or mineral herbal supplements for at least one week before sample collection.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

Book a specialist