b12 injection bruising Common & Rare Side Effects of Vitamin Injections What happens if you inject

On the other hand, B12 supports nerve function, DNA synthesis, & helps form red blood cells

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Importantly, cell viability was not affected, meaning the compound did not simply kill fat cells but changed their metabolic behavior

So, if you are eating a varied diet and do not have a laboratory-documented vitamin B12 deficiency, you do not need additional supplementation. However, she explains people who subscribe to strict vegan or vegetarian diets are much more likely to be at risk of vitamin B12 deficiency, and they should take supplemental B12, especially when pregnant or trying to become pregnant