Side effects to Vitamin B12 are SO rare that they cannot be estimated from current data (in other words, less than 1 in 10'000)
Brazilian Journal of Medical and Biological Research, 45 (7), 591-600
As the Pernicious Anaemia Society marks two decades as a registered charity, we are boldly declaring 2026 as This is The Year Things Change . This critical campaign is focused on shifting the narrative from rigid protocol to patient-centred treatment
Maintaining healthy hair, skin, and nails
Food and Nutrition Board, Institute of Medicine
We need to keep an eye on it: Lack of B12 is one of the most common vitamin deficiencies, and its not something to mess around with