In the article Nutrition Insurance Policy: A Daily Multivitamin, the authors acknowledge that if you eat a healthy diet a multivitamin may have little or no benefit. Yet, they believe “a daily multivitamin-multimineral supplement offers safe, simple micronutrient insurance” (p.2).Which of the following statements forms part of their argument for reaching this conclusion?
A. The optimal intakes of vitamins and minerals are not set in stone and it does not make sense to rely only on dietary sources for micronutrients.
B. Not everyone eats a healthy diet and many people in the United States consume less than adequate amounts of micronutrients on a daily basis.
C. High doses of any supplement have the potential to cause harm but supplements control the level of dosage.
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According to the authors, which vitamin still warrants further investigation to clarify the appropriate use of supplementation?
A. β-carotene
B. Vitamin B12
C. Vitamin C
D. Vitamin D
E. Vitamin E
Despite the questions surrounding the benefits of taking supplements, the vitamin industry in the United States reported what level of sales in 2010?
A. $ 10 million
B. $ 28 million
C. $ 5 billion
D. $ 28 billion
E. $ 40 billion
Select the statement below that best summarizes the overall opinion of the authors with respect to the role of vitamin and mineral supplements in the prevention of chronic disease?
A. So far the evidence has shown vitamin and mineral supplements are harmful or ineffective for chronic disease prevention. However, they should not be avoided until further large prevention trials are conducted.
B. More research is recommended but until new trials are completed the use of vitamin and mineral supplements has clear benefits and is justified for the general population.
C. The use of vitamin and mineral supplement has no clear benefit and in some cases possible harm. It is not justified for the general population, who show no clear evidence of micronutrient deficiencies, to take these types of supplements.
c) Lamas and associates (paragraph 3)TACT (Trial to Assess Chelation Therapy): Oral High-Dose Multivitamins and Minerals after Myocardial Infarction
A. Case control study
B. Cohort study
C. Interventional study
D. Meta-analysis
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