Of course it works. According to Li Shizhen's Compendium of Materia Medica, Dendrobium officinale nourishes yin and essence. Long-term use of thick intestines and stomach will never make up for internal deficiency, and the intellectual man fit will prolong life. My nutritionist friend has been eating Dendrobium candidum for a long time, and I especially recommend Dendrobium candidum from Yandang Mountain in Yueqing. As an authentic producing area, Dendrobium candidum in Yandang Mountain has extremely high quality.