overdose of b12 injections Vitamin B12: and Side Effects Dose Awareness: Signs of B12

Numbness and tingling in hands and feet Poor balance Poor memory and dementia Mouth or tongue soreness Depression Deficiency is primarily due to issues of malabsorption, poor dietary intake and pernicious anemia

Measure whether daily maternal administration of vitamin B 12 from early pregnancy until 6 months postpartum improves development as measured by the Ages and Stages Questionnaire, Third Edition (ASQ-3), at 6 and 12 months of age

In people aged 50 and over, adequate consumption of vitamin B12 is thought to be important for maintaining good vision and protecting against macular degeneration

In some cases a B12 deficiency is linked with symptoms like nausea, bloating, or loss of appetite