Researchers have developed a new test to detect the levels of vitamin B12 using your breath, allowing for a cheaper, faster, and simpler diagnosis that could help to avoid the potentially fatal symptoms of B12 deficiency.
Vitamin B12 deficiency is a growing public health problem in which the most common tests – using blood serum levels – are limited in accuracy and sensitivity and are non-specific for vitamin B12.
Read more at Journal of Breath Research