It may take some adjusting to develop a schedule of injections that best supports your needs
Typical injection spots are: The abdomen , a couple of inches away from the belly button The outer thigh The back of the upper arm These are easy for self-injections too but again, only once a professional has shown you how to do it correctly
Usually, B12 is absorbed in the stomach with the help of an intrinsic factor protein
Whether this represents a benefit or a concern is unclear without more research
Subcutaneous planning from a 50 mg vial reconstituted with 3.0 mL BAC water (~16.7 mg/mL) Phase Days 12 (tolerance) Daily dose 2.5 mg once daily Units on U-100 syringe 15 units Volume 0.15 mL Phase Days 3+ (standard) Daily dose 5 mg once daily Units on U-100 syringe 30 units Volume 0.30 mL Phase Split option (BID) Daily dose 2.5 mg twice daily Units on U-100 syringe 15 units each Volume 0.15 mL each Subcutaneous doses are much smaller than oral doses because of injection volume limits and because direct subQ absorption skips the gut
The intranasal forms of methylcobalamin, vitamin B12, should be administered at least 1 hour before or 1 hour after ingestion of hot food or liquids
