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Vitamin C Injections Vitamin C is also a water-soluble vitamin that plays an essential role in various bodily functions
In humans, cyanocobalamin must undergo intracellular enzymatic conversion to the active coenzyme formsmethylcobalamin and adenosylcobalaminwhich, depending on the pH environment, can interconvert with hydroxocobalamin ( Despite extensive biochemical knowledge of cobalamin metabolism and its physiological importance, the optimal supplementation route for maintaining or restoring adequate vitamin B12 levels remains debated
Some studies say long-term use can lower B12 levels
(2018) [online] Available at: [Accessed 25 Apr
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