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The route prescribed
Intrinsic factor is only made in the stomach and after a gastrectomy there is little to no more of it or gastric acid, and the active mechanism in the body where B12 is absorbed is either less available or not available at all depending on if the surgery was a total or a part of a gastrectomy
This result may have been driven by Erysipelatoclostridium and Lactobacillus , the only two microbial genera that significantly differed between the 5A-1MQ-treated and the vehicle-treated mice both switched from WD to LD
Keep it refrigerated, never frozen
The injection is very easy to give yourself, and painless
The most effective sites are the deltoid (upper arm), thigh, or buttocks always administered by a trained healthcare provider
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