blood and nerve cells.
Deficiency can produce neurological symptoms, including numbness and tingling in the hands and feet, balance problems, and weakness.
Older adults deserve particular attention because the body’s ability to absorb naturally occurring vitamin B12 from food can decline with age.
Sources include meat, fish, poultry, eggs, milk and other dairy products, as well as fortified foods.
Someone experiencing persistent tingling, numbness, balance problems, or unexplained weakness should consider discussing B12 testing with a healthcare professional rather than simply assuming the problem is aging.
Vitamin B6 —
