• Is "Normal" B12 Enough? New Insights for Brain Health - AI Podcast

  • May 1 2025
  • Length: 7 mins
  • Podcast

Is "Normal" B12 Enough? New Insights for Brain Health - AI Podcast

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  • Summary

  • Story at-a-glance
    • Research suggests "normal" vitamin B12 levels are insufficient for optimal brain health, especially in older adults, despite being above the standard medical threshold
    • Vitamin B12 helps your nerves work well by protecting them with a special coating, allowing brain messages to travel quickly and clearly
    • A study of healthy older adults showed that lower B12 levels, even within the "normal" range, were linked to slower thinking and brain signals
    • Signs of low B12 include brain fog, memory issues, tingling in hands and feet, and mood swings; these symptoms often develop gradually
    • Rich sources of B12 include grass fed meat, eggs and dairy; supplementation is often necessary for vegans, older adults or those taking certain medications like metformin
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