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Allergic Reactions In rare cases, some people may have a severe allergic reaction to ingredients in the B12 shot
Genuine product and seamless process
Increase the dose only if needed
However, its common for blood tests to reveal inaccurate information regarding B12 levels since a high percentage is stored in the liver and not always revealed through testing
Some conditions that can cause this vitamin B12 deficiency include: Atrophic gastritis, an inflammation of the stomach Surgical removal of part of the stomach or intestines Conditions that affect your intestine's ability to absorb nutrients, such as Celiac disease Pancreatic insufficiency Alcoholism Acquired immune deficiency syndrome (AIDS) Some people who don't have enough of a protein called the "intrinsic factor" also have a vitamin B12 deficiency
However, long-term human data is limited
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