poor circulation, but it can actually be linked to low B12.
3. Memory Problems or Brain Fog
If you find yourself forgetting things more often or struggling to concentrate, low vitamin B12 could be part of the problem. B12 helps support brain function, and deficiency has been associated with memory issues, difficulty focusing, and mental confusion.
4. Pale or Slightly Yellow Skin
Vitamin B12 deficiency can affect the production of red blood cells. When these cells break down abnormally, it can cause the skin to appear pale or slightly yellow.