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A member asked:
I started taking 100mcg @ day of b12 cause my b12 level was 293. how long before i start feeling better? very tired, headaches, muscle pain, etc.
A doctor has provided 1 answer
Keep close follow up: with your Md, ,this may not be the case. A Shilling test will tell you if you have mal absorption. You also seem a little young for it but it can be the cause of B-12 deficiency, but not the cause of all your problems.
Answered 4/20/2015
2.9k views
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