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Category 2 on FDA bulk drug substance list
This clinical study demonstrates that even within normal ranges, lower Vitamin B12 status is associated with impaired neurological function, slower processing speed, and increased markers of brain aging in older adults
Fun fact - it gives spirulina its blue green colour
Peak nausea typically occurs during days 3 to 5 of treatment, then gradually improves over 7 to 14 days as your body adapts
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