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A: B12 toxicity is extremely rare because excess amounts are eliminated through urine
Good news for the needle-nervous: research supports the safety of this approach
In fact, B12 shots can also improve our cognitive function, maintain our vision, and lower our risk for age-related conditions like osteoporosis, macular degeneration, and cardiovascular disease
They are usually safe, but some people might have reactions
See our storage guide
Vitamin B12 helps your body produce red blood cells and DNA cells, it also helps with nerve function and cell metabolism
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