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It was proved that oral 1,000 mcg of B12 is only absorbed by 1.3% of the body, but the absorption rates of B12 shots are between 55% to 97%
The cost-effectiveness of total spending depends on several factors: how many surgeries are avoided, the long-term cost of medications taken indefinitely and how many patients ultimately undergo both surgical and pharmacological treatments
FEBS Lett 166: 331-334
Acid Reflux Because food stays in the stomach longer, some people experience acid reflux
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