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Nonselenocysteine-containing phospholipid hydroperoxide glutathione peroxidase (NPGPx) is a sensor of oxidative stress
But the truth is: The difference often comes down to one key ingredient benzyl alcohol
Testing serum levels of B12 can be done, but serum B12 levels tend to be highly inaccurate
In fact, a 2008 study found that after taking a 1,000 mcg oral supplement, only approximately 1.3% (or 13 mcg) of B12 was absorbed into the bloodstream
Its commonly found in animal-based foods such as meat, fish, dairy, and eggs
Prompt parenteral administration of vitamin B 12 prevents progression of neurologic damage
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