Can too much B12 affect your eyesight? Exploring the link between vitamin B12 levels and eye health
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4 min read
While vision problems are a known symptom of **vitamin B12 deficiency**, the relationship with excessive B12 intake is less understood and more complex. A recent study found a significant association between high-dose vitamin B12 intake and glaucoma, although excessive B12 is generally considered low-toxicity. This suggests a need for careful consideration when supplementing, particularly at very high doses.
