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That is why it is important to measure both B12 and MMA at the same time, as an elevated MMA can indicate B12 deficiency even if the B12 is normal. When the levels come back, ask to see them yourself and ask questions of your doctor if there is any question of normal B12 metabolism. In my case, my B12 levels were very low and my MMA levels were very high, indicating B12 deficiency
This is a manufactured B12 solution injected intramuscularly
In addition, peer-reviewed publications provide the most reliable scientific context for either compound
It promotes formation of new blood vessels, reduces oxidative stress markers, and modulates the nitric oxide system (Hsieh et al., 2017)
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