Most of these are in southeast Africa or Central America
Synthetic Cyanocobalamin for Reliable Supplementation The active ingredient, cyanocobalamin, is a laboratory-produced form of vitamin B12 that works in the body the same way as naturally occurring vitamin B12 found in fish, seafood, dairy products, and egg yolk
Conclusion Vitamin B12 is a cornerstone of health, essential for maintaining healthy skin and hair, boosting energy levels, and supporting overall well-being
People with conditions such as pernicious anaemia or other absorption disorders may require regular Vitamin B12 injections
(8) Ulanovskaya OA, et al
NICE says that when oral replacement is used for confirmed or suspected malabsorption, the prescribed dose should be at least 1 mg a day