The following is correct about dietary supplements in Alternative Medicine:

Question

BlackTom AI · Accepted Answer

There are hundreds to thousands of dietary supplements available in many combinations, formulations, and dose strengths worldwide, so option e is correct.

1) Relevant knowledge points and concepts
- Regulatory framework: In many jurisdictions (e.g., under the U.S. Dietary Supplement Health and Education Act, DSHEA), supplements are regulated differently from drugs, allowing many products to enter the market without premarket proof of efficacy or safety.
- Product diversity: Manufacturers combine vitamins, minerals, herbs, amino acids, botanicals and other ingredients into myriad single-ingredient and multi-ingredient products.
- Evidence base and safety: Scientific evidence for mechanisms, efficacy, and safety varies widely; some products are well-studied, many are not.
- Usage patterns: Demographic use of supplements is broad and not exclusively linked to lack of formal education.

2) Step-by-step reasoning
- Because regulatory pathways often do not require rigorous premarket testing, many manufacturers can create and market new formulations rapidly.
- This commercial environment produces hundreds/thousands of distinct supplements and combinations (different doses, extracts, proprietary blends).
- Scientific study of each product/combination is limited; therefore mechanisms of action are often incompletely established for many products.
- Reports of adverse effects and interactions (e.g., St. John’s wort interactions, ephedra-associated cardiovascular events, kava hepatotoxicity) show supplements can be detrimental.
- Population studies show supplement use spans educational and socioeconomic groups, so it is incorrect to claim typical use is limited to those without college education.

3) Intermediate calculations
- Not applicable (no numeric computation required).

4) Why the correct answer is correct
- The marketplace reality and regulatory context directly explain why there are hundreds of dietary supplements in different combinations; this is an observable fact.

5) Why other options are incorrect
- b (mechanisms well established): False — mechanisms are often unclear or incompletely proven for many supplements.
- a (classification based on scientific foundation): False — classification is often commercial/marketing-driven, not uniformly scientific.
- d (supplements never had detrimental effect): False — numerous documented adverse effects and interactions exist.
- c (typically people without college education use supplements): False — usage spans all education levels; many users are college-educated.

6) Conclusion
The correct choice is e: there are hundreds of dietary supplements in different combinations, which matches the provided answer.

The following is correct about dietary supplements in Alternative Medicine:单项选择题

类似问题

The following is correct about dietary supplements in Alternative Medicine EXCEPT:

The following supplements are used for “boosting energy level” EXCEPT:

The following supplements are used for “weight loss” EXCEPT:

Which supplement might be recommended by the Food and Nutrition Board?

Which statement best reflects the overall effectiveness of dietary supplements in preventing chronic diseases?

One example of a nutritional scam sold as a beneficial dietary aid in the text is?

Choose A, B, C or D as the best answer.30. The author’s main argument is that __________.

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单