Do senior citizins need vit B12 shots? If so why? if not, why not?

Answer:
B12 is good for everyone, as it builds up your immunity, shots are good but i find sublingual liquid under the tongue as good. As we age everything slows down including our immune system therefore seniors need the shot more, as they are at more risk for pernicious anemia, and bleeding under the skin.

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on the front or side it has a USB logo by it

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Pernicious anemia has its onset later in life, so it's more common to see older people getting B12 shots, but it would be inappropriate to generalize past that. Other than people who've had some forms of surgery removing important parts of the gut, only people with pernicious anemia need B12 shots, though oral supplements are also needed for vegans and a few other odd folks. The great majority of people at any age do quite well with normal dietary sources.

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If they can't eat right, yes.

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A lot of confusion best to ask your own doctor

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