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Some focus on appetite control, others on metabolism, and some on direct fat removal
Structural insights into host GTPase isoform selection by a family of bacterial GEF mimics
The above is usually talked of in terms of 'anaemia', but it does show that there is a complicated link between B12, B6, folic acid, zinc and vitamin D levels, chronic disease (anaemia of chronic disease) and how the body 'manages' serum iron, ferritin, and transferrin iron saturation and keeps these in balance (or not, as in your case)
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