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the clinical claim built on top of it outruns the data
Leaving the whole thing in the hands of pharma is not working for us. Many MAHA-aligned people pushing for reforms have a financial stake in the outcome
However, some patients receiving high-dose B12 supplementation or injections may experience adverse reactions, though these relate to the treatment rather than the elevated levels: Possible reactions to B12 supplementation (particularly injections): Skin reactions, including acneiform eruptions or rashes Pruritus (itching) Injection site reactions (with parenteral administration) Rare hypersensitivity reactions Non-specific symptoms such as headaches, dizziness, or gastrointestinal disturbances have been reported by some patients taking B12 supplements, but causality is not well established in clinical evidence
What symptoms indicate a Vitamin B12 deficiency
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