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.
The calorie count of ham can vary depending on the brand and type that you buy. Your serving size will also make a big difference. 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.