Who Should Talk to a Doctor Before Starting Anyone with thyroid disease, pernicious anemia, or a condition affecting the digestive system should have a proper conversation with a doctor or naturopathic doctor before starting B12 injections, since the underlying condition may need separate treatment alongside supplementation
How long will reconstituted peptide last
[DOI] [PubMed] [Google Scholar] 13.Brasaemle DL, Barber T, Wolins NE, Serrero G, Blanchette-Mackie EJ, Londos C
Other people at risk of deficiency include those who have had intestinal surgery, including weight loss surgery
Below you can find foods high in vitamin B12 based on the concentration of vitamin B12 from highest to lowest: Animal Liver & Kidneys Clams Sardines Beef Fortified Cereal Tuna Fortified Nutritional Yeast Trout Salmon Fortified Non-Dairy Milk Fortified Tofu Milk & Dairy Products Eggs It is important to note that "compared with raw meat, cooked meat offers similar or even higher vitamin B12 concentrations per 100g edible portion due to moisture and lipid losses that occur during cooking." More so, it is also important to note that milk offers lower vitamin B12 or cobalamin levels than meat, but it is still a decent source of vitamin B12 nutritionally
