Sell Vitamin B12

Vitamin B12 You May Also Be Interested In: cyanocobalamin vitamin b12
If you need vitamin b12, please contact me as soon as possible, we have

Pharm grade,
Food grade,
Feed grade( vitamin b12 1%,2%,3%)

Our pharm grade as follows:
Standard: Bp2004, usp28, ep5.0
Item standard result
Appearance dark red crystalline powder dark red crystalline powder
Indentification positive positive
Ratio absorbance
a361/a278 1.70-1.90 1.87
a361/a550 3.15-3.40 3.28
Loss on drying % 12 max 2.50
Assay % 96-102.0 98.60
Related substances % 3 max 0.78
Pseudo cyanocobalamin complies complies