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However, increasing oral supplement doses (within safe limits) while awaiting medical review is generally considered safe, as B12 has very low toxicity and excess is excreted through the kidneys
The first one or two shots will not give you that immediate improvement you might expect
When Should You See a Doctor About High B12
A revved up metabolism can cause temporary exhaustion
This can also put stress on a persons kidneys
have an allergy to cobalt
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