contraindications of b12 injections Vitamin Injections: Benefits, Risks, Dos & Don'ts B12 Course – Beauty &

Molecules that have vitamin B12 are called cobalamins because they contain cobalt

For example, a B 12 -deficient state which causes megaloblastic anemia and which may be mistaken for classical PA may be caused by infection with the tapeworm Diphyllobothrium latum , possibly due to the parasite's competition with host for vitamin B 12

PMID 24327038

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Most of these vitamins are administered via injection where vitamins are delivered to the body by using a needle or syringe bypassing the digestive system

This article examines the main differences between methylcobalamin and cyanocobalamin two of the most common sources of vitamin B12 found in supplements