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Avoid concurrent use unless directed by a healthcare provider
Self-administration could lead to incorrect technique or adverse reactions
Check out all the videos on my latest recommendations on the Vitamin B12 topic page
Comparing to Oral Supplementation Doses Its important to note that injection doses are much higher than oral supplements
Certain people may be at a higher risk of developing a vitamin B12 deficiency, including: Adults age 65 and older, often due to pernicious anemia, atrophic gastritis, and reduced production of enzymes People with pernicious anemia, an autoimmune condition that may cause gastric atrophy People with gastrointestinal disorders (like celiac disease and inflammatory bowel disease) that affect nutrient absorption Anyone who has had bariatric or gastrointestinal surgery Vegetarians and vegans (B12 is only found in animal-based foods) Breastfed infants of vegan mothers If left untreated, a deficiency in B12 can lead to nerve damage
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