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Never reuse a needle
The resulting solution should be clear and colorless
It is the most bioavailable form of B12, and also the most active, working mostly in our brains, nervous system, and liver (Lindstrand, 1964)
Modern studies affirm that B12 is required to form the mood-boosting neurotransmitters serotonin and dopamine, as well as focus and concentration
Some of the benefits are also lost along the way
Individuals in the highest and mid-tertiles of vitamin B 12 levels had significantly reduced odds of TT deficiency relative to those in the lowest tertile
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