Glyco-factor I is a water-soluble glycoprotein functional drink scientifically formulated with Edible Bird’s Nest Extract (EBNE) that promotes human immune system, especially against the infectious influenza viruses. Furthermore, this pre-clinical proven formulation derived from natural sources used in Glyco-factor I is known to have no adverse side effects, suitable for consumers of all ages and gender and serve as the perfect supplementation for our immune system. First month take 1 sachet per day for intensive repair, take 2 to 3 sachets per week for the subsequent months. *One set comes with 14 sachets. Leather box shown in picture is not included.