I explained it a little more in my multivitamin thread. These inferior forms of b-vitamins are used because many consumers do not know the difference, they go by price, or word of mouth, or pushy salesman (GNC).
Originally Posted by OldSaw
Having been a buyer of such, I'll tell you that cyanocobalamin (inferior form of b-12 cost about $400 per kilo. Methylcobalamin (proper bioavailable form) costs up to $8,000.
Sinner Saved By Grace
"we love the truth when it enlightens us, but hate it when it convicts us"