While some places might market it for general energy boosts or weight loss, if your B12 levels are already normal, there's little scientific proof that these injections will give you a significant energy rush or help you lose weight
[151] During the 1920s, George Whipple discovered that ingesting large amounts of liver seemed to most rapidly cure the anemia of blood loss in dogs, and hypothesized that eating liver might treat pernicious anemia
As of April 2024, it was still linked to from the list of the American College of Sports Medicines Position Stands for Nutrition and Athletic Performance.
Patients may also have low levels of vitamin B12 if they have had bariatric surgery, are strict vegetarians, or have used antacids or proton pump inhibitors for a prolonged period
When we have gut issues or infections, we may not be able to absorb iron from our food or supplements very well