Dietary Supplements Vitamin B-12 deficiency can be corrected by eating foods rich in B12 and taking dietary supplements, such as B12 supplements or multivitamins
However, this association does not imply causationelevated B12 often serves as a biomarker for serious underlying disease rather than being directly harmful
Absorption problems Even with adequate intake, absorption can be reduced by: Certain gastrointestinal conditions affecting the stomach or small intestine Some medications Age-related reduction in stomach acid (which can affect absorption) Autoimmune gastritis (often historically referred to as pernicious anaemia) This is a well-recognised cause of B12 deficiency and may require ongoing management
No , B12 usually has the opposite effect
, B12 500 mcg 1000 mcg : : 500 mcg : 1000 mcg ( ) : 1000 mcg - , -
Always get a health assessment from a licensed provider before starting shots, since B12 injections benefit mainly those with diagnosed deficiencies, and certain health conditions may affect which ingredients are safe for you