Causes of Vitamin B12 Deficiency Inadequate dietary intake Malabsorption disorders Insufficient stomach acid Surgical procedures Autoimmune conditions Medications Age-related factors Inadequate dietary intake Vitamin B12 is found only in animal products such as eggs, meat, fish, and dairy products, but vegans and vegetarians do not consume animal products, therefore it is easy to develop vitamin B12 deficiency
For a healthy person eating meat, dairy or fortified plant foods, the NHS view is that you do not need B12 injections
Those researching peptide use during this period should consult the GLP-1 and breastfeeding guide
B-vitamins act as coenzymes in numerous metabolic pathways, including carbohydrate and fat metabolism, neurotransmitter production, and DNA synthesis
According to The New York Times in 2011, as many as 30 percent of older adults may lack sufficient B12