Vitamin B 12 (cobalamin) deficiency is a common cause of megaloblastic anemia, a variety of neuropsychiatric symptoms, and elevated serum homocysteine levels, especially in older persons. There are a number of risk factors for vitamin B 12 deficiency, including prolonged use of metformin and proton pump inhibitors.n asymptomatic patients with low-normal levels of vitamin B 12 (200 to 350 pg per mL [147.56 to 258.23 pmol per L]), elevated levels of the precursor compounds homocysteine and methylmalonic acid may prompt a decision to supplement patients with vitamin B 12. 5.
A ham sandwich made with two slices of whole wheat bread, two slices of ham and one leaf of iceberg lettuce contains 220 calories.
A single serving of holiday ham is approximately 3 ounces or 84 grams. There are 130 calories in a bone-in, spiral sliced, honey glazed ham that you often see on the holiday table. Youâll also get 4 grams of fat per serving, 5 grams of carbohydrate and 1,230 milligrams of sodium. If you make a ham sandwich, you might choose ham slices from the deli. One slice of ham luncheon meat provides 37 calories, 5 grams of protein, 0 grams of carbohydrate, 1 gram of fat, and 368 milligrams of sodium.