Signs of a B12 deficiency include: pain tingling difficulty walking uncontrollable muscle movements confusion, forgetfulness, or memory loss changes in mental state or mood changes in smell or taste vision problems diarrhea weight loss glossitis, aka a painful, smooth, and red tongue If you have any of the above symptoms, talk with a doc
As a protein, if it is consumed in its isolated state, the digestive system will break it down and it will not have the intended effect
Of those, 93,615 (64 per cent) either had tests confirm they already had normal B12 levels, or they weren't tested at all
Luckily, B12 injections are like pressing a jump start button for those processes