A Magnesium test measures the level of magnesium in your blood. Magnesium is an essential mineral involved in over 300 enzymatic reactions, including energy production, muscle and nerve function, blood pressure regulation, and protein synthesis.
What This Test Measures
Serum Magnesium:
The amount of magnesium circulating in your blood. Note that only about 1% of body magnesium is in blood; most is stored in bones and tissues. Blood levels may be normal even with whole-body depletion.
Reference Range
Normal: 1.7-2.2 mg/dL
Who Should Consider This Test
• Symptoms of magnesium deficiency (muscle cramps, weakness, fatigue, irregular heartbeat)
• Those taking medications that deplete magnesium (diuretics, proton pump inhibitors)
• Chronic alcohol use
• Diabetes (increases magnesium loss)
• Digestive disorders affecting absorption (Crohn’s, celiac)
• Those on hormone replacement therapy
• Monitoring magnesium supplementation
Symptoms of Deficiency
• Muscle cramps, twitches, or spasms
• Fatigue and weakness
• Numbness or tingling
• Irregular heartbeat
• Mood changes
• Poor sleep
• Migraines
Why Deficiency Is Common
• Modern diets often lack magnesium-rich foods
• Soil depletion reduces magnesium in crops
• Processing removes magnesium from foods
• Stress, alcohol, and certain medications increase requirements
How It Works
1. Order your test online – no doctor visit required
2. Visit any Quest Diagnostics location nationwide
3. Simple blood draw takes approximately 5 minutes
4. Results delivered to your secure portal within 1-2 business days
Preparation
No fasting required.
Related Tests to Consider
• Magnesium RBC – May better reflect tissue magnesium status
• Comprehensive Metabolic Panel – Overall metabolic assessment
• Calcium – Often related to magnesium status
• Vitamin D – Magnesium affects vitamin D activation
Why Choose Wittmer Rejuvenation Clinic
At $10.50, our Magnesium test is affordably priced. We partner with Quest Diagnostics for reliable, CLIA-certified laboratory testing.
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