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A downward trend over weeks is more meaningful than day-to-day fluctuations
The digestive system exists specifically to break down proteins into individual amino acids for absorption
Hydroxocobalamin is the NICE-recommended, prescription-only form of B12 used by the NHS
Screens for bacterial endotoxins that can cause fever or adverse reactions
Protect from light to maintain stability and effectiveness
In addition to limited absorption via the IF, the intake of high-dose supplements leads to passive diffusion, i.e., the vitamin can freely enter the bloodstream without IF binding and receptor uptake
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