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Formulations are not standardised concentrations vary by compounding pharmacy, which is one reason cross-clinic comparisons and published timelines are unreliable
Some people require regular doses over time, while others may only need short-term treatment to restore their levels
Expert administration: B12 shots are simple, but they are still medical procedures
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This enzyme plays an important role in methylation pathways that influence cellular metabolic signalling and intracellular energy regulation
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