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Additionally for people who are dealing with an acute B12 deficiency, oral supplements may not be the best course of action given that there is no way to determine how much is actually absorbed
Large amounts of B-12 are found in such foods as fish and beef, with smaller amounts in dairy products like cheese, yogurt, and eggs
Always use fresh swabs for every vial contact point
Quick answer
And even if you feel totally fine, its still smart to get a quick check-up or blood test first
Many patients often ask, How long does a vitamin B12 shot last? when they want quick energy, improved focus, or help with low B12 levels
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