As we age, vitamin B12 becomes increasingly important yet more difficult for the body to absorb. Understanding three key facts can help older adults maintain optimal nutritional status and prevent serious health complications.
First, most younger adults require approximately 2 micrograms of B12 daily to support red blood cells, nerve function, and DNA synthesis. Second, this baseline requirement changes significantly after age 50, when gastric acid production declines and absorption efficiency drops substantially—affecting up to 30% of this population. Third, inadequate B12 intake in older adults can lead to serious consequences including megaloblastic anemia and neurological complications such as peripheral neuropathy, cognitive impairment, and balance problems.
These facts underscore why older adults should discuss B12 supplementation strategies with healthcare providers to ensure adequate intake and prevent age-related deficiency complications.
Read the full article on GMJ Newsroom.
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