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PMID 34186147 Mechanisms of subcutaneous absorption of therapeutic proteins
If you notice particles, continue swirling gently
That's why the Office of Dietary Supplements states that people over 50 should gain most of their B12 from dietary supplements or fortified foods
[12] For most people with dietary insufficiency, oral supplementation is effective, as even in the absence of intrinsic factor, approximately 1% of B12 can be absorbed through passive diffusion
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