Most commonly reported Mild stimulant-like effects (warmth, slight resting heart-rate rise) in the first 1 to 2 weeks
Nausea or Upset Stomach: Some people may experience gastrointestinal discomfort, such as nausea, vomiting, or diarrhea, although these side effects are rare
Long-term deficiency can damage the protective myelin around nerves, and if it is not addressed, some of that damage can become permanent, causing numbness, pain, and balance problems
Though generally safe, following the recommended dosage guidelines is crucial for avoiding potential negative side consequences
These may cover just adults not children
Individuals with low B-12 often feel fatigued or sluggish, and B-12 injections can help to alleviate these symptoms by supporting the bodys energy production