In Chapter 45 of the book, Hsueh Pao-chai comes to visit and suggests that Tai-yu take a high-quality nest each day upon arising, add half a tael of rockcandy, and cook it into a broth; after getting used to it, it turns out to be more effective than medicine.
書中第四十五回寫薛寶釵前來探望黛玉，建議她每日早起，拿上等燕窩一兩，冰糖五錢，熬出粥來，吃慣了，比藥還靈。