In people with normal levels, no significant benefit has been shown
For those who dont consume animal foods, such as vegetarians and vegans, there are plant-based sources of vitamin B12 available, including nutritional yeast, fortified foods, cereals, mushrooms, and certain types of algae
Prescription anti-inflammatories and drugs used to treat diabetes can make it difficult for your body to absorb a sufficient quantity of vitamin B12
Most suppliers won't test for it
This allows the body to consolidate gains and reduces any theoretical long-term risks from extended continuous use
It also helps ensure Treatment Room appointments remain available for patients who require more complex clinical care