有过敏的可试试Just Barley by Pure Planet.

对我儿子很管用。网上买比Whole Foods 便宜许多。
http://www.google.com/products/catalog?hl=en&q=barley+powder&bav=on.2,or.r_gc.r_pw.&um=1&ie=UTF-8&cid=13085012990356122409&sa=X&ei=IzC_TfWOKu3UiALA6bUp&ved=0CGAQ8wIwAQ#