Many of these are questions that remain unanswered in human research
As well, some people may have allergies or medical conditions that do not allow them to be a good candidate to receive vitamin B12 shots, such as kidney problems, low potassium levels, deficiencies in other vitamins such as iron or folic acid, or just an allergy or sensitivity to vitamin B12 itself
Neonates: Bacteriostatic Water for Injection is contraindicated in neonates (newborn infants), especially premature infants
Always follow the dosing instructions provided by your prescribing provider.
Therefore, you might have symptoms such as weak muscles, numbness, trouble walking, nausea, weight loss, irritability, fatigue, and increased heart rate