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JCI Insight 2020;5(17): 10.1172/jci.insight.140532)
I urgently needed B12 injections and had to learn to self-inject, but I struggled to find clear and sensible information on how to do it
B12 deficiency can cause fatigue and slow metabolism
Starting a new vial as a cycle begins ensures fresh solution throughout the active phase
You should try to integrate at least one serving of fish, into your meals, at least once a week
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