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When B12 levels are low, these signals slow down, affecting concentration, focus, and memory
IV doses of 25-400 mcg/kg for safety studies Important: These are experimental doses used in animal studies and cannot be extrapolated to other species due to significant differences in metabolism, pharmacokinetics, receptor expression, peptide degradation rates, and tissue distribution patterns
The injection would be given slowly into a vein, or added to an IV drip
Vitamin D3: bone, joint, cardiovascular, and metabolism health
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