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More specialised tests such as active B12 (holotranscobalamin) or methylmalonic acid may be available through specialist referral, though availability varies across the UK
Additionally, we have found daily doses to be efficacious
By following these steps, healthcare providers can promote the safe and effective administration of B12 injections
Presented for research literature review only Lu X et al
The answer determines whether their products offer genuine therapeutic potential or simply expensive amino acids
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