Abstract Pregnant women in resource-poor areas are at risk of multiple micronutrient deficiencies, and indicators of low vitamin B-12 status have been associated with adverse pregnancy outcomes, including anemia, low birth weight, and intrauterine growth retardation
Storage: Store in a cool, dry environment under proper laboratory conditions
Since vitamin B12 is still necessary for bodily health, deficiency in this key vitamin can lead to a number of negative symptoms, including: However, since vitamin B12 is necessary for so many vital things, symptoms can vary from individual to individual
(NICE Guidelines
Its recommended not to freeze (as mentioned) and also to avoid excessive heat
Others may have minute quantities of B12 derived from bacteria