Vitamin B12 injections are often recommended for individuals who are unable to meet their B12 requirements through diet alone, such as those following a vegan or vegetarian diet, individuals with malabsorption issues, or those with certain medical conditions
Vitamin B 12 is a group of chemically related compounds, all of which have vitamin activity
We also work with Freedom Diagnostics , an independent third-party testing facility, to support our quality assurance efforts
Please note: liver is also high in other nutrients such as copper (which is needed for iron absorption, but people with copper toxicity may need to avoid liver supplements)
Qi Z, Stephens NR, Spalding EP (2006) Calcium entry mediated by GLR3.3, an Arabidopsis glutamate receptor with a broad agonist profile