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A deficiency or lack of Vitamin B12 is quite common in the over 65s, those diagnosed with pernicious anaemia, and in anyone who follows a vegan, strict vegetarian, or extreme/fad/restricted diet for a long time without taking a B12 supplement or eating fortified foods
however, for some patients, its more beneficial to receive them weekly
Key factors to evaluate: Reputation and track record: Look for suppliers with a documented history of providing high-quality products and responsive customer support
Reconstitute with 1-2 mL of bacteriostatic water, directing the stream gently against the vial wall
Dosing Sensitivity: Small differences in dose may influence tolerability, highlighting the need for careful monitoring
Most evidence remains preclinical, with limited controlled human research currently available
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