[8] In addition, drugs that affect blood cell production, such as certain chemotherapy agents or some HIV medications, may blunt the benefits of vitamin B or alter blood counts
What is Vitamin B-12, and What are the Health Benefits
However, certain lifestyles or health conditions might lead to a deficiency in one or more Vitamin B vitamins, necessitating supplements
If youre taking vitamin B12 supplements in addition to the vitamin-rich foods youre consuming, you could experience diarrhea, nausea, vomiting and headache
Potential mild effects observed in animal and in vitro models include transient fatigue, mild nausea, or digestive discomfort related to metabolic acceleration