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If you decide to use a supplement with your physician's approval,
如果你決定在獲得醫師允許后服用一種補充劑，
the next step is finding a safe and reliable product.
下一步就是找到一款安全可靠的產品，
This can be challenging because none of the products on the market are regulated by the FDA.
這很有挑戰性,因為市場上的產品都沒有受到FDA的監管，
A first step is to consider the manufacturer.
第一步是考慮生產商
Some large pharmaceutical companies are now marketing herbal supplements.
一些大型醫藥公司目前也在做草藥補充劑，
In general, these companies can be considered reliable
通常情況下，這些公司是可靠的
because of their reputation and concern for safety.
因為他們具有良好的信譽,其產品安全程度也很高
Other ways to reduce the risk of using products that may contain contaminants or have poor quality control
還有另一種方式也可以降低買到質量不合格的補充劑產品，
are to look for the Pharmacopeia verification stamp.
那就是尋找是否有藥典注冊章
This program is not government-sponsored but verifies products meet standards
藥典注冊項目并不是由政府主辦的,但它對產品是否達標進行核查，
including uniformity, cleanliness, and freedom from contaminants.
包括規格，衛生條件和是否有污染
Keep in mind, though, that this does not mean the supplement has been approved.
但我們要記住，這并不意味著這種補充劑經過了批準
ConsumerLab.com performs independent research on particular supplements regarding the bacteria count in the supplement,
ConsumerLab.com網站專門就某些補充劑進行獨立調查,調查項目包括菌落含量
how it dissolves, and other characteristics, and provides information free on their website.
溶解過程以及其他特征,免費提供相關信息
That website again is ConsumerLab.com.
在同一家網站上
Select only single herb supplements.
另外一定要選擇單一草藥補充劑
You should also select only single herb supplements.
一定要選擇單一草藥補充劑
This is recommended because with single herb supplements,
我們建議這樣做，因為只有單一草藥補充劑
you can be sure of the quality of the herb in each dose.
才能保證每次服用的劑量中草藥的質量，
With multiple herb supplements,
對于多種草藥補充劑
you may not know the proportion of each herb.
你無法知道每種草藥的比例
Beware of claims that are too good to be true when looking for supplements.
在選擇補充劑時要注意，有些商家的宣傳有夸張之嫌，
There are no supplements known that will cure any disease or condition.
目前已知的補充劑沒有一種能夠治療任何疾病
Also be cautious of supplements manufactured outside of the U.S.
同時我們還應注意進口的營養補充劑，
According to the Mayo Clinic,
根據醫學機構
toxic ingredients in prescription medications have been found in some supplements that were manufactured internationally.
目前已經在一些國外生產的補充劑中，發現了一些有毒物質
Unlike drugs, supplements have no government standards to ensure safety, effectiveness, and quality.
與藥品不同，補充劑沒有國家標準來保證其安全，效用和質量
And they are not approved by the FDA.
它們也沒有得到FDA的許可
There has been insufficient scientific research to demonstrate efficacy of ingredients,
目前關于這些產品的成分
appropriate doses, potential side effects, and long term consequences of herbal supplement use.
用量和可能產生的副作用,以及長期使用可能造成的影響都還沒有足夠的科學研究，
In most cases, the active ingredient is not known,
在大多數情況下，哪些成分有效并不能確定
and in fact several ingredients may function together to generate a response.
實際上可能幾種成分共同作用才能達到某種效果，
Because of the complexity of these issues,
由于這個問題的復雜性
the scientific understanding of supplement mode of action and biological effects is inadequate.
我們對補充劑的種類，原理和生物作用還沒有足夠的科學的了解
Therefore, caution is recommended when purchasing and using herbal supplements.
因此在選擇購買和使用草藥補充劑前一定要仔細考慮，注意各方面因素
Though not approved by the FDA,
盡管它們并沒有得到FDA的批準
many people are very interested in using supplements
很多人都對使用營養補充劑十分感興趣
because they think they are safer than pharmaceuticals.
因為他們認為這些補充劑比藥物更安全
After hearing the previous section,
在聽過上述內容后，
we hope that you now understand that supplements may not be completely safe even though they are derived from a natural source.
我們希望您能夠明白，補充劑未必總是安全的，盡管它們來自于天然材料
