Stability is also influenced by temperature variations
Tang, H., Li, Y., & Zhang, X
3.3 Changes in serum cobalamin by supplementation route and dosage Across 35 comparisons, the mean percentage increase in serum cobalamin following supplementation was approximately 293%, confirming the overall effectiveness of vitamin B12 interventions (Supplementary Table S4)
Pregnant women having extremely high B12 levels due to overdose increases the risk of autism spectrum disorder in their unborn child, Dr Kore told indianexpress.com
To limit exposure to extreme temperatures that may affect this product while in transit we recommend choosing Next Day Air delivery when selecting your shipping method
At present, however, I am using Panpharma B12 ordered from mycare.de because it is cheaper (including shipping) and I suspect a better quality than the Australian made B12