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PMC Chang CH, et al
Individuals with known B12 deficiencies, or those prone to a potential deficiency due to their lifestyle, must supplement vitamin B12
There are several reasons to consider B12 injections for improved health and wellness, and they include: Improved cognition Vitamin B12 is vital for neurologic function, which includes cognitive health and wellness
Johnson, W., Bergfeld, W
For more information, including the amount and type of niacin used in the study and additional information about niacin and niacin supplements, see the B Vitamin Supplements Review
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