Several studies undertaken globally show that women with vitamin B12 deficiency in early pregnancy were up to five times more likely to have a child with neural tube defects, such as spina bifida, compared to women with high levels of vitamin B12
doi:10.1073/pnas.0308082100
5 Improving mood: Vitamin B12 is involved in producing neurotransmitters, such as serotonin and dopamine, which are important for mood regulation
By adjusting B12 doses for each patient, doctors can make treatments better and improve life quality
Instead, they are made in pharmacies when there is a medical reason, sometimes to help with possible B12 deficiencies that might happen during use
As individual needs differ, its best to consult with a qualified healthcare professional to determine the most appropriate frequency for you