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does sublingual b12 work as well as injections The pitch is almost always wrong. The mucosa under your tongue has essentially zero capacity to absorb vitamin B12. There are no specialized transporters there. The tablet dissolves in your Are sublinguals better than Injections?
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However, if you have severe kidney problems, consult with a healthcare professional before proceeding with B12 injections, as excess vitamin levels might not be easily eliminated from your body

But it is possible to have negative effects from too much of some of the vitamins if you take supplements

How to Soothe Pain and Swelling A few simple tricks can make your injection experience much more comfortable

If your levels are in the intermediate range, your doctor may also test your levels of MMA and homocysteine
