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will drinking water raise or lower bac Watch Your Learn more about BAC •
Description
While some individuals enjoy a rapid boost in energy, others may notice a more gradual improvement as their bodies replenish B12 stores and recover from deficiency symptoms

Many vegans use blue-green algae as a form of B12

PMID: 27131640 [10] Boyles AL, Yetley EA, Thayer KA, Coates PM

Low oxygen levels can contribute to foggy feelings
