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StatPearls notes that high-dose oral B₁₂ has been shown effective for maintenance, but “recommendations are to always use the parenteral route in severe neurological manifestations” https://www.farrislabs.com/cdn/shop/products/bactwater25pack.jpg?v=1770827147 Hospira Bacteriostatic Water 30mL 10 Pack | Bac Water for Peptides Capsule Count:30 Capsules peptide analytical standard
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