中翻英（意思接近就好，不用逐字逐句翻译）

有关氨基葡萄糖在保健食品中使用原则（仅供参考）
氨基葡萄糖一般用于增加骨密度功能产品；包括D氨糖的盐酸盐和硫酸盐。
有两点注意事项：
1由于保健食品规定的27中功能呢里没有保护关节的功能，所以只能以增加骨密度的功能来申请含有氨基葡萄糖的保健食品。目前已经有含有氨基葡萄糖的保健食品获得批准。
2用量；一般日用量是500mg，为药品用量的1/3,目前氨基葡萄糖药品用量是15000mg/日

杜绝机译，请楼主关注并审阅
About the Principle of Glucosamine Used in Health Foods (For reference only)
Glucosamine is a functional product for increasing bone mineral density, includes the hydrochloride of D-aminosugar and the sulfate of D-aminosugar.
There are two precautions:
1)Since in the 27 kinds of functions specified in the Health Food Code the function of protecting bone joint is excluded, the health foods containing glucosamine has to apply for license starting from the function of increasing
bone mineral density. Now there have been a few health foods containing glucosamine being approved.
2)Dosage: General daily dosage is 500 mg, being 1/3 of the dosage as drug. At present the dosage of glucosamine as drug is 15000 mg/day.

Principles about glucosamine used in health food (for reference only)
Glucosamine is a product that is generally used in increasing the deisity of bones, which includes the ahydrochlorate and sulfate in amino sugar D.