Yes, they are safe when administered by trained professionals and offer numerous health benefits
Once B12 deficiency is confirmed, the doctor will want to know why someone has B12 deficiency
The same clothes or swimwear in each photo allows direct comparison
A deficiency can occur for several reasons, such as pernicious anemia (a condition where the body cannot absorb vitamin B12 from the diet), certain medical conditions (e.g., Crohn's disease, celiac disease), surgical removal of part of the stomach or intestine, or strict vegetarian/vegan diets if not adequately supplemented
In general, I tell patients there may be some tenderness in the injection sites temporarily
The key is avoiding repeated temperature cycling