to produce healthy red blood cells that carry oxygen throughout the body. Without enough oxygen circulating, you may feel weak, drained, or unusually exhausted even after a full night’s sleep.
2. Tingling or Numbness in Hands and Feet
Vitamin B12 is vital for maintaining healthy nerves. When levels are too low, it can damage the protective coating around nerves. This may cause a “pins and needles” sensation or numbness in your hands, legs, or feet. Many people mistake this for poor circulation, but it can actually be linked to low B12.
3. Memory Problems or Brain Fog
If you find
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