(1) Glucosamine series

1 N-Acetyl-D-Glucosamine

2N-Acetyl-D-Glucosamine Cosmetic Grade

3 D-Glucosamine Hydrochloride

4Refined D-Glucosamine HCL

5 D-Glucosamine Hydrochloride(Granule)

6 Glucosamine Sulfate Potassium Chloride

7 D-Glucosamine Sulfate Potassium (Granule)

8 D-Glucosamine Sulfate Sodium Chloride

(2) Chitosan series

1 Chitosan

2 Carboxymethyl Chitosan (water-soluble)

3 Chitosan Oligosaccharide

4 Hyaluronic Acid Chitosan

(3) Chitin series

1 Chitin