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They also support the formation of new blood cells, delivering oxygen and nutrients to damaged areas
Nonetheless, the IC 50 values (HeLa, 2.0 0.3
[73] As noted above, the completely synthetic laboratory synthesis of B 12 was achieved by Robert Burns Woodward and Albert Eschenmoser in 1972, though this process has no commercial potential, requiring more than 70 steps and having a yield well below 0.01%
Your ability to absorb vitamin B12 depends if you have enough of a protein called intrinsic factor (IF) in your stomach
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