how soon do b12 injections work when start to Feeling constantly tired, foggy, or run down? Vitamin plays how long do vit b12

Research indicates that patients with impaired kidney function, including premature neonates, who receive parenteral levels of aluminum at greater than 4 to 5 mcg/kg/day accumulate aluminum at levels associated with central nervous system and bone toxicity

Amounts of vitamin B 12that are recommended by the Food and Nutrition Board, National Academy of Science-National Research Council for pregnant women (4 mcg daily) should be consumed during pregnancy

Eat something crunchy like crackers

Drug Interactions: Persons taking most antibiotics, methotrexate and pyrimethamine invalidate folic acid and vitamin B12 diagnostic blood assays

But, its important to get the right training and follow safety rules