These associations were independent of demographic, socioeconomic, lifestyle factors, use of medications that could have an effect on serum vitamin B12 levels, dietary supplement use and fasting time
Theoretical concerns are not proof of harm, but they identify areas off-target SAM effects, signalling-pathway impacts, and uncharacterised interactions that require study before any conclusion about human safety could be drawn
If you are worried but don"t want to ring your surgery you could try asking your local pharmacist what they think you should do
By taking a holistic approach, you can make sure your B12 therapy is working its best
Physical changes like pale skin or a sore tongue, and digestive issues such as loss of appetite or constipation, may also be signs your body needs more B12
Journal of Endocrinology and Metabolism, 4(1-2), 87-95