Vitamin D Test
Vitamin D Deficiency
As much as 80% of the population in the United States is estimated to have low vitamin D levels. Emerging studies show that low vitamin D is associated with an increasing cause of death from ALL causes1. Low vitamin D is also associated with autoimmune diseases and overall immune health.
Recommended add-on test: 1,25 Vitamin D (active form)
Vitamin D Deficiency Causes
In a society that has almost every vitamin D type food available and abundant sunshine, many are left wondering, “Why are my vitamin D levels low”? The 7 most common causes for low vitamin D levels are:
- Misuse/overuse of sunscreen
- Diet high in processed foods
- Inactivity
- Stress
- Smoking
- Obesity
- Thyroid issues
Why Get Your Vitamin D Levels Checked?
This test will allow you to supplement with the correct dosage of vitamin D. Since you can overdose on vitamin D, it is recommended to be tested once a season in order to adjust supplementation and maintain optimal vitamin D levels.
Vitamin D deficiency has been shown in studies to increase the risk of:
- Autoimmune conditions like Multiple Sclerosis and Hashimoto’s
- Type 1 Diabetes
- Cardiovascular Disease
- Increased blood pressure
- Certain cancers
Vitamin D and Breast Cancer
Studies show a close correlation between optimal vitamin D and breast cancer. Many of these studies show that optimal vitamin D levels are associated with a 50% decrease in breast cancer risk2.
What’s Being Tested:
- Vitamin D (25 Hydroxyvitamin D- dietary indicator; inactive form)
- Calcium Serum
Fasting: No
Specimen Type: Blood (Draw Location | How It Works | FAQs)
Turnaround time: 3-5 Business Days
Important Notes:
- This test cannot be collected in NY, NJ, MA, and RI. Contact us with questions.
1Dobnig H, et al. Independent association of low serum 25-Hydroxyvitamin D with all-cause mortality. Archives of Internal Medicine. 2008 Jun 23:168:1340-1349.
2Vitamin D and prevention of breast cancer: A pooled analysis. The Journal of Steroid Biochemistry and Molecular Biology Volume 103, Issues 3-5, March 2007, Pages 708-711
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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