For example, patients with conditions like pernicious anemia or significant absorption issuessuch as those caused by gastrointestinal disorders (like Crohns disease or celiac disease), a history of gastric surgery, or certain long-term medicationsoften require higher or more frequent doses, especially when starting treatment
Have someone nearby the first few times in case of an adverse reaction
Vitamin B12 is distributed into the milk of nursing women in concentrations that approximate the maternal blood vitamin B12 concentration
Do not allow Vitamin B-12 to freeze
Because this formula contains niacinamide, a few people might experience a flushing reaction (warmth, redness of the skin) or slight itching, although niacinamide usually does not cause the intense skin flush that niacin (nicotinic acid) does
And never inject into a mole, scar, bruise or broken skin