does b12 injection have to be in muscle Vitamin Sites: All You Need Know Vitamin B12 Shots in Canton,

91, 2006, pp

That means your body needs it to carry out lots of important functions, including (1, 2): Red blood cell formation DNA synthesis Brain and nervous system functioning Energy production (metabolism) Immune system health Risk Factors for Vitamin B12 Deficiency Your body doesnt produce B12 on its own

But even this doesnt always give a clearcut answer on whether there is a B12 deficiency Two secondary tests measure B12 function The secondary tests that measure how well B12 functions in the cells, are called functional tests

therefore, patients older than 50 years and vegans or strict vegetarians should consume foods fortified with vitamin B 12 or take vitamin B 12 supplements

They are also one of the most oversold products in medical weight loss