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Blood levels rise across the first several weekly doses and settle near steady state after about four weeks. That is why the four-week hold matters: the full effect of a dose change is not visible in the first few days
To give you a clearer picture, the table below outlines some common B12 injection schedules for different scenarios
Additionally, a very small percentage of B12 from a supplemental dose is absorbed by passive diffusion
Rules for the sale, supply and administration of medicines for specific healthcare professionals GOV.UK
It plays a crucial role in energy production and the efficient metabolism of fatty acids and amino acids
If you are pregnant, nursing, or have a medical condition, consult your healthcare provider before use
