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Amazon.com: Omega Quant Vitamin D Home Test Kit - with Collection Kit, Vitamin D Test | Accurate Results, Validated Methods, Certified Lab, Fast Results : Health & Household
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If my current vitamin d blood reading is 72 ng. What is my ideal dose to take to maintain my current blood level? - Quora
Vitamin D: 15 ng/mL
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Low Vitamin D Level
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Patients' vitamin D levels drop significantly during winter - Australian Clinical Labs
The "Vitamin D Paradox": What you need to know before giving more and more — Donovan Hair Clinic
All About Vitamin D | At-Home Health Tests
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