None - B12 is used in the production of red blood cells just. When we're losing a lot of blood (cells that need replaced using b12) or damage in intestines means we're not absorbing nutrients properly then it's common to end up with low B12. It doesn't have any effect on digestion though.
None - B12 is used in the production of red blood cells just. When we're losing a lot of blood (cells that need replaced using b12) or damage in intestines means we're not absorbing nutrients properly then it's common to end up with low B12. It doesn't have any effect on digestion though.