Transient flushing or warmth following injection
More serious B12 deficiencies have the potential to impair heart and neurological function, leading to a wide range of serious symptoms, including but not limited to tinnitus, severe joint pain, memory problems, depression, anxiety, poor muscle function, ataxia and changes in reflexes
They can assess your individual risk profile, review your current medications for potential interactions, and refer you to specialist services where appropriate
Mild fever
Vitamin B12 Health Professional Fact Sheet.
However, groups switched from WD to LD (WD/LD-V, WD/LD-T) tended to show greater alpha diversity compared to the control groups (WD/WD-V and LD/LD-V), which was not surprising since these animals experienced the most diet transitions with variable nutrient resources during their lifetime