A deficiency in vitamin B12 can lead to anemia, fatigue, and even cognitive decline
The injections, whether B-12, Lipo-B12 or Super B-12, are to be given as intramuscular injections, ONCE A WEEK (5 to 7 days okay for optimal utilization, 4 to 8 days interval is either too early or too later) If you want, you can take the 5 or 10 shot injection kit of any kind home for self-administration
The broader evidence shows B12 corrects deficiency well
Typically, the cost for a Vitamin B12 injection without insurance coverage ranges between $20 and $80 per injection
It depends on the compound, there is no universal conversion 1000mcg=1mg Its fixed now
What we know about safety comes from extrapolating each compound's individual profile and applying first-principles pharmacology