PMC 6925818
Avoid taking it if you have: asthma cancer, especially of the breast, ovaries, uterus, prostate, hypothalamus, or pituitary gland epilepsy hCG allergy heart disease hormone-related conditions kidney disease migraines precocious (early) puberty uterine bleeding Injections of hCG are common in IVF, IUIs, and other fertility treatment
Bacteriostatic water is not designed to remove endotoxins, contaminants, or impurities from research compounds
This approach makes it simple to incorporate B12 shots into your regular self-care routine, much like a facial or other skin treatment
For others, with milder or temporary deficiencies, the initial shots might lead to longer periods of feeling well, potentially even allowing for a switch to oral supplements under strict medical guidance
B12 is naturally available only in animal proteins, so people who eat vegetarian or vegan diets may not consume enough B12