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Glia as architects of central nervous system formation and function

Gastroenterology 152, 313321.e2

Compared to younger individuals, this vitamin deficiency is more common in older adults because of the higher prevalence of food-bound vitamin B 12 malabsorption (atrophic gastritis) and the higher incidence of the autoimmune condition, pernicious anemia (39)

doi: 10.1016/j.freeradbiomed.2004.03.016

Most products provide 500 to 1000mcg of B12, despite the Recommended Daily Allowance (RDA) being significantly lower

Effective Medication Delivery: For medications requiring precise dosing or difficult-to-absorb orally, IV therapy offers a rapid and efficient solution