B12 deficiency causes transcription errors during DNA synthesis, which is likely to increase the long term risk of cancer and is linked to many chronic diseases (17)
Both pills and injections have excellent safety profiles
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The Shot: The Vitamin B-12 shot has been shown to be effective at treating a deficiency, boosting energy and in some cases lessening symptoms of depression and improving cognitive function
Most people obtain the majority of the vitamin B12 they need each day through foods such as: 2,9 Fortified cereals Dairy products like yogurt, cottage cheese, and cheese Meat, poultry, and fish Nutritional yeast However, some individuals may need to prioritize additional vitamin B12-rich foods or supplementation, including those who: Are Vegan or Vegetarian With the exception of fortified foods, vitamin B12 is naturally found almost exclusively in animal-based food sources