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For first-time clients, we typically recommend starting with a 50mg dose
Patients with Leber's hereditary optic neuropathy should avoid cyanocobalamin (hydroxocobalamin is preferred in the UK)
Do Oral B12 Pills Work for Autoimmune Gastritis
Allergic reactions: Rare but possible, especially for people with known sensitivities
Chronic conditions: Kidney or liver disease and blood disorders like polycythemia vera may need special monitoring Medication interactions: Some drugs can affect how your body responds to B12 therapy
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