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Drug Deliv Transl Res 9:62530
On the other hand, the bioavailability of B12 from dietary supplements is 50% more than that from food sources
Metformin , used in type 2 diabetes management, reduces B12 absorption through unclear mechanisms
When to seek medical advice : Contact your GP if you experience symptoms of B12 deficiency, such as persistent fatigue, pins and needles, memory problems, or glossitis (sore, red tongue)
Chang and his team rotate between injection sites, such as the outer thigh, upper arm, or lower abdomen, to promote healing and ensure consistent absorption
Makes necessary proteins
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