We are Seebio Biotech, Inc., the manufacturer of Natritional Ingredients, our main product is vitamin K2 (MK-4, MK-7, MK-9), pls contact Irene Sun by ***** , Vitamin K2 (20) MK-4 98% powder/ OilVitamin K2 (20) MK-4 1.3% powder/ Oil Vitamin K2 (20) MK-4 0.13% powder/ Oil Vitamin K2 (35) MK-7 1.3% powder/ Oil Vitamin K2 (35) MK-7 0.13% powder/ Oil Vitamin K2 (45) MK-9 98% powder, Vitamin K1, CAS [84-80-0] ;Vitamin B12, CAS [68-19-9];Pyridoxal-5-Phosphate, CAS [54-47-7] ;Pyridoxamine Dihydrochloride, CAS [524-36-7] ;Pyridoxal Hydrochloride, CAS [65-22-5] ;Methylcobalamin , More information, please contact by biochem(at)seebio(dot)cn, We always welcome any questions, comments, and suggestions. Irene Suen Shanghai Seebio Biotech, Inc.Tel:+86-21-50272981-6513Fax:+86-21-50272982MSN: sunqirene**********