Infections and acute illnesses , including viral gastroenteritis, food poisoning, or antibiotic-associated diarrhoea, may coincidentally occur when someone has recently started B12 supplementation
Individual results vary and should be discussed with your physician
And vegetarians, especially vegans, are often deficient or have inadequate levels of vitamin B12 on a blood test
Concerning symptoms Even if you started a vitamin on your own, or with very basic guidance, you should always talk with your provider and expect lab testing to be discussed if you notice: Unexplained tiredness that does not improve Numbness, tingling, balance problems or vision changes Significant mood changes or confusion Frequent fractures or bone pain Unintentional weight loss, ongoing digestive issues or chronic diarrhea These can have many possible causes
Tired of chugging energy drinks to stay fueled throughout the day