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Importantly, functional B12 deficiency can sometimes coexist with high total B12 levels, especially in kidney disease, and may require additional testing with methylmalonic acid (MMA) or holotranscobalamin if deficiency is suspected clinically
Should You Mix Vitamin C or Retinol with Copper Peptides
These figures reflect reported laboratory handling only and are provided strictly for research use, not human use
This makes it a highly targeted tool for metabolic research
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