Reviews
Summary
Positives
- Some patients report substantial benefit from B12, especially when they suspect absorption problems, deficiency, methylation issues, or neurologic symptoms. Reddit.
Negatives
- B12 is often part of a bigger B-vitamin or methylation routine, and stopping B12 shots or changing vitamin balance can make it difficult to know which piece changed symptoms. Reddit.
Hurdles & Side Effects
- Form and route matter: patients compare oral, sublingual, methylcobalamin, and injections, especially when gut absorption or sensitivity is part of the picture. Reddit.
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