... like white Power, slightly salty, odorlessness, hydrophilic.Insoluble in acetone, ethanol and other organic solvents.[Shelf-life] ... 36 months.[Usage]:Use in the field of Medical, Health products, Nutrition foods ... Amount of Usage] Effective usage for adult about1800mg /day[The method of taking medicine] Before meal half hours ... . Collagen Type II, The sole supplier in China