This is bulk sodium hyaluronate, as sodium salt form of hyaluronic acid. It is pure powder, food grade. There is not any additive or filler inside. Assay >90% (the other mainly is moisture). It is fresh enough for use. There are 1.5~2.5 years shelf life available

Hayluronic acid is chemically a polymer of disaccharides composed by D-Glucuronic acid and D-N-Acetyl glucosamine which are linked together via alternating of β-1,4 and β-1,3 glycosidic bonds. Its molecular weight can be 5,000 to 20,000,000 Da. in vivo. Please review http://en.wikipedia.org/wiki/Hyaluronic_acid for more information of hyaluronic acid. In nutritional industry, hyaluronic acid is quickly becoming a popular ingredient in various joint and skin formulation. It is naturally found in connective tissue such as skin and cartilage, where it serves as an integral part of the extracellular matrix. Hyaluronic acid is an important constituent of joint fluid, where it serves as a lubricant and plays a role in resisting compressive forces.

Characteristic: White powder, blunt taste, soluble in water.

Use Suggestion: As a pure ingredient to mix in water, juice, smoothie, shake, and use for formulation, R&D (research and development), cosmetic and skin care formulation, or any other proper purposes. General use amount for an adult consumption is 1/8 teaspoon of this powder (about 100 milligrams) once daily. An individual may adjust the serving size for some specific purposes.

Storage Conditions: In a tightly sealed container, store in cool and dry place, keeping away from strong light and heat.

Size options: Kinds of packing sizes are available. Please choose to order.