A deficiency of which nutrient can’t be detected by a blood test?
- vitamin B-12
- vitamin D
- zinc
- iron
The answer is: Zinc
Author: HealthyLife | Posted on: November 17, 2016
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« All but one of the following appear to help strengthen bones. Which one doesn’t? High doses of vitamin A or its precursor (beta-carotene) may raise the risk of all but one of the following. Which one? »
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