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Phosphate-Buffered Saline (PBS): Maintains stable physiological pH (approximately 7.4) with appropriate ionic strength
This includes people with pernicious anemia, a condition where the body lacks intrinsic factors, making it impossible to absorb B12 from food
Cyanocobalamin Synthetic Vitamin B12 As we have discussed, for many years B12 supplements mainly contained cyanocobalamin , a synthetic form of B12 that is not directly bioactive and is only found naturally in the body or diet in minor traces
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But they do not do the same thing, and prescribing one when the other is indicated is one of the most common mistakes in the peptide space
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