Although you can become deficient in vitamin B12 at any age, it's more common in older people due to reduced production of stomach acid. (cathe.com)
Your natural production of stomach acid can be stimulated and enhanced easily, safely and cost - effectively with cabbage. (thehealthyhomeeconomist.com)
It also helps keep your liver happy by stimulating an adequate production of stomach acid and bile. (fitnessandpower.com)