Allergic reactions to proprietary preparations of vitamin B12 might be due to substances added to the solutions as preservatives or for other reasons, to impurities from the production, or to the vitamin B12 itself
However, there are no well-controlled studies in pregnant women, so this medication is generally recommended during pregnancy only when clearly needed
Vitamin B12 is a multitasking nutrient that supports your overall health in several significant ways
What about concerns about B12 and acne, bone fractures, and cancer
Learn More and Get Started As you can see, B12 is a vitamin that you cannot do without
In developing countries, B12 deficiency is much higher