Food and Drug Administration) Dietary deficiency of vitamin B 12 occurring in strict vegetarians and in their breastfed infants (isolated vitamin B 12 deficiency is very rare) Malabsorption of vitamin B 12 resulting from damage to the stomach, where intrinsic factor is secreted, or damage to the ileum, where intrinsic factor facilitates vitamin B 12 absorption
Log-transformation and its implications for data analysis (in Eng)
Other complaints or side effects are gastrointestinal upset and nausea
Visit frequency depends on your personalized plan
Symptoms include swelling of the face, tongue, and throat
Therefore, it is not appropriate most -- especially those who are pregnant, breastfeeding, have active cancer, or certain metabolic conditions