科學家的回答
Can taking USANA supplements with nutrient amounts greater than the RDA be dangerous?
服用優莎納的營養補充品其營養成份較RDA建議的高會造成危險嗎?
Answer:
Toxicities of vitamins and minerals have been fairly well-studied, and USANA has considered this information in
維他命及礦物質的毒性已經被廣泛的研究了,而優莎納已將這些資訊考慮在所有的營養補充品中
the formulation of all of our supplements. Most vitamins have low toxicities, and for many no toxicity has ever
大多數的維他命過量都有低毒性,但大多數都沒有發現服用後有毒性的反應
been observed. Although some of the fat-soluble vitamins can be toxic at high doses, the amounts of vitamins and
雖然一些脂溶性的維他命在高劑量下會有毒性,但優莎納的維他命及礦物質並沒有接近有害的程度
minerals in USANA supplements do not come close to harmful levels when taken as directed, even when typical
甚至加上實際飲食的攝取量也考慮進去
dietary intakes are considered.
That said, it is important to note that USANA's products are designed as dietary "supplements;" they are not
因此,重要的是了解優莎納的產品是設計當成日常飲食的補充,它們並不是用來代替健康的飲食
intended to replace a healthy diet. They are formulated to supplement your diet so that you get optimum
它們是用來補充你的日常飲食,使你能獲得最佳維他命及礦物質的量
amounts of both vitamins and minerals.
It is well-known that chronic intakes of vitamins and minerals well over the LOAEL (Lowest Observed Adverse
我們最好了解長期攝取超過LOAEL所建議量會造成健康的影響,但是在優莎納的產品中並沒有接近
Effect Level) can cause health problems, but the amounts of vitamins and minerals found in the USANA products LOAEL的規定量,我們的產品是設計用來增進人們的健康,不是造成傷害
do not come close to those levels. Our products are designed to enhance people's health, not be detrimental to it.
Additional information on this topic can be found at the following "Ask the Scientists" article:
進一步的資訊可參考「為什麼我們要補充營養素」一文,網址如下http://obs.usana.com/UPLOADS/usana/2005/236/236-1_OHA.html
A good source of information on general vitamin and mineral safety is "Vitamin and Mineral Safety, 2nd Edition"
by John N. Hathcock, Ph.D. Council of Responsible Nutrition. 2004. Or, you can contact the Council for
一般的維他命及礦物質安全性可參考"Vitamin and Mineral Safety, 2nd Edition"一書網址如下
Responsible Nutrition directly at http://www.crnusa.org/
A side note: the amounts of vitamins and minerals used in our products are based on peer-reviewed scientific studies that showed definite results in helping with certain degenerative diseases. However, nutrional studies are ongoing and as the information changes we may adjust the dosages in our products. USANA remains fully committed to using the best information modern science has to offer.
另外要知道的:我們產品所使用的維他命及礦物質是基於科學研究中對抗特定退化性疾病的結果。然而營養的研究持續在進行我們也會調整產品中的劑量。優莎納承諾使用目前科學上提供最好的資訊在產品中。
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