Lipotropic peptides, such as those used to promote liver health, are becoming more popular for their ability to support fat burning and detoxification processes
These include: Older adults, as they absorb B12 less easily Vegetarians and vegans, because B12 is mostly in animal products People with stomach problems like celiac disease or Crohns disease Those who have had gastric bypass surgery Knowing these risk factors helps find who might need to check their B12 levels
Outcomes can vary widely, and product quality/regulatory issues matter
[1] Other rare side effects noted (mostly in older literature or high-dose use) include: polycythemia vera and peripheral vascular thrombosis in patients receiving repeated injections (though these associations are not well understood, they were listed in prior product literature as possible adverse events)
You may have vitamin B12 deficiency because of pernicious anemia or other reasons, such as taking certain medications, having certain health conditions, or drinking heavily