Denise I use this too, have done for quite a while, it now seems to be available in a lot of the supermarkets, we used get it in M*rrisons when we lived in the south and buy it in T*sco here in the midlands, it is kept with all the other salts
Further reading: Vitamin B12 and Nitrosative Stress The Benefits of Vitamin B12 for Skin Even when used externally on the skin, vitamin B12 acts as a NO scavenger, which is why there are many vitamin B12 creams on sale
Then multiply by 100 to convert milliliters to units on a U-100 syringe
Between each major marking, there are typically 5 smaller lines, each representing 2 units
Reconstituted blend should be stored at 28C, protected from light, and used within 30 days