can b12 injections cause leg pain for Energy: Benefits and How It Works Understanding the B12 Vitamin Shot:
Description
Excessive methyl supplementation taking too much methylfolate or methyl-B12 for your needs COMT mutations slow breakdown of neurotransmitters, causing buildup when you add more methyls Histamine issues methylation can increase histamine in some people
PMC 4962419
It is not approved by the FDA or any other regulatory body for human or veterinary use, and nothing in this guide constitutes guidance for human administration
Toxicity Is Rare, Not Impossible: A
