weekly b12 injection dosage VITAMIN 1000 mcg/mL B12 Shots Dosage for Adults:
Description
The Institute of Medicine has not established a tolerable upper intake level of B12 because studies show no adverse health effects when taking excess levels of B12, either through food or supplements

I've tried a lot of the topical lotions so this was the next best bet

You can read more about signs of low B12 here

The temporal dynamics of 5-amino-1MQ's cellular effects reveal sophisticated regulatory mechanisms that extend well beyond immediate enzyme inhibition
