Visit an emergency room or your primary care physician to ensure cardiac health
You can now proceed with the administration to your research subject as per your experimental design
Generally safe, side effect is usually constipation (which you may already have)
Common B12 deficiency symptoms include fatigue, anxiety, depression, poor memory, confusion, brain fog, tingling or numbness in the extremities, zings or zapping feelings in the extremities, anemia, shortness of breath, muscle weakness, irritability, tender calves, pale complexion and more
This once obscure illness, often hidden in the shadows of more common ailments, silently undermines the lives of many, impacting their vitality and daily routine
The most common effects are mild nausea, upset stomach, bloating, and changes in bowel habits, especially when starting or raising the dose